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cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 1/30 p r e l i m i n a r y r edundancy p ower s upply ? ac 100-240v wide-range input ? width only 48mm ? built-in decoupling mosfet for 1+1 and n+1 redundancy ? efficiency up to 95.2% ? 20% output power reserves ? safe hiccup plus overload mode ? easy fuse breaking C 3 times nominal current for 12ms ? active power factor correction (pfc) ? minimal inrush current surge ? full power between -40c and +60c ? dc-ok relay contact ? current sharing feature included ? 3 year warranty g eneral d escription the cp-series, part of the dimension power supply family are cost optimized without compromising quality, reliability and performance. the cp20.241-rx units includ e a decoupling mosfet for building 1+1 or n+1 redunda nt power supply systems without the need of ex ternal redundancy modules. these redundancy power supplies come with three connection terminal options; screw terminals, spring- clamp terminals or plug connector terminals which allows replacement on an active application. the most outstanding features of these units are high efficiency, electronic inrush current limitation, active pfc and the wide operati onal temperature range. the devices also have a power reserve of 20% included, which may even be used cont inuously at temperatures up to +45c. additionally, they can deliver 3 times the nominal output current for 12 ms which helps to trip fuses on faulty output branches. with high immunity to transients and power surges, low electromagnetic emission, a dc-ok signal contact for remote monitoring, and a la rge international approval package, makes this unit su itable for nearly every application. s hort - form d ata output voltage dc 24v 0%/+6% adjustment range - output current 24a below +45c ambient 20a at +60c ambient 15a at +70c ambient output ripple max. 50mvpp 20hz to 20mhz ac input voltage ac 100-240v -15%/+10% mains frequency 50-60hz 6% ac input current 4.28 / 2.25a at 120 / 230vac power factor 0.99 / 0.95 at 120 / 230vac ac inrush current 10 / 4.5apk at 120 / 230vac efficiency 93.8 / 95.2% at 120 / 230vac losses 31.7 / 24.2w at 120 / 230vac temperature range -40c to +70c hold-up time 32ms size (w x h x d) 48x124x127mm without din-rail and plug connectors weight 830g / 1.83lb cp20.241-r1 cp20.241-r3 850g / 1.87lb cp20.241-r2 o rder n umbers power supply cp20.241-r2 with hot swappable plug connectors (preferred inventory item) cp20.241-r1 with quick-connect spring-clamp terminals cp20.241-r3 with screw terminals accessory zm5.wall wall mount bracket m arkings ind. cont. e q. ul 508, planned ul 60950-1, planned marine, planned class i div 2, planned iecex atex ii 3g ex ec nc ii t4 gc planned
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 2/30 p r e l i m i n a r y i ndex page page 1. intended use .......................................................4 2. installation requirements ...................................4 3. ac-input ...............................................................5 4. dc-input ...............................................................6 5. input inrush current ...........................................6 6. output .................................................................7 7. hold-up time .......................................................8 8. dc-ok relay contact ..........................................9 9. efficiency and power losses ..............................10 10. lifetime expectancy ..........................................11 11. mtbf ..................................................................11 12. functional diagram ...........................................12 13. terminals and wiring ........................................13 14. replacing units while the system is running ..14 15. front side and user elements ...........................15 16. emc ....................................................................16 17. environment ......................................................17 18. protection features ...........................................18 19. safety features ..................................................18 20. dielectric strength ............................................19 21. approvals .......................................................... 20 22. rohs, reach and othe r fulfilled standards .. 20 23. physical dimensions and weight ..................... 21 24. accessories ........................................................ 23 24.1. zm5.wall C wall/panel mount bracket .23 25. application notes ............................................. 24 25.1. peak current capability ...........................24 25.2. adjusting the output voltage .................25 25.3. charging of batteries ...............................25 25.4. back-feeding loads ..................................25 25.5. external input protection .........................26 25.6. output circuit breakers ............................26 25.7. series operation .......................................27 25.8. parallel use to increase output power ....27 25.9. parallel use for redundancy ....................28 25.10. inductive and capacitive loads ................29 25.11. operation on two phases ........................29 25.12. use in a tightly sealed enclosure ............29 25.13. mounting orientations ............................30 the information given in this document is correct to the best of our kn owledge and experience at the time of publication. if not expressly agreed othe rwise, this information does not represent a warranty in the legal sense of the word. as the state of our knowledge an d experience is constantly changing, the information in this data sheet is subject to revision. we therefore kindly ask you to always use the latest i ssue of this document. no part of this document may be re produced or utilized in any form wit hout our prior permission in writing.
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 3/30 p r e l i m i n a r y t erminology and a breviations pe and symbol pe is the abbreviation for p rotective e arth and has the same meaning as the symbol . earth, ground this document uses the term earth which is the same as the u.s. term ground. t.b.d. to be defined, value or de scription will follow later. ac 230v a figure displayed with the ac or dc before the value represents a nominal voltage with standard tolerances (usually 15%) included. e.g.: dc 12v describes a 12v battery disregardi ng whether it is full (13.7v) or flat (10v) 230vac a figure with the unit (vac) at the end is a momentary figure without any additional tolerances included. 50hz vs. 60hz as long as not otherwise stated, ac 230v parameters are valid at 50hz mains frequency. may a key word indicating flexibility of choice with no im plied preference. shall a key word indicating a mandatory requirement. should a key word indicating flexibility of choi ce with a strongly pref erred implementation. 1+1 redundancy use of two identical power suppl ies in parallel to provide c ontinued operation following most failures in a single power supply. the two power supply outputs should be isolated from each other by utilizing diodes or other switching arrangements. e. g. two 10a power supplies are needed to achieve a 10a redundant system. n+1 redundancy use of three or more identical power supplies in parallel to provide continued operation following most failures in a single power supply. all power supply outputs should be isolated from each other by utilizing diodes or other switching arrangements. e.g.: to achieve a 40a redundant system, five 10a power supplies are needed in a n+1 redundant system. n+1 redundancy 1+1 redundancy ac dc cp20-rx load + - ac dc cp20-rx ac dc cp20-rx ac dc cp20-rx ac dc cp20-rx ac dc ac dc ac dc cp20-rx cp20-rx cp20-rx load + -
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 4/30 p r e l i m i n a r y 1. i ntended u se this device is designed for installation in an enclosure a nd is intended for the general professional use such as in industrial control, office, communicati on, and instrumentation equipment. do not use this power supply in equipment, where malfuncti on may cause severe personal injury or threaten human life. 2. i nstallation r equirements this device may only be installed and put into opera tion by qualified personnel. this device does not contain serviceable parts. the tripping of an internal fuse is caused by an internal defect. if damage or malfuncti on should occur during installation or operation, i mmediately turn power off and send unit to the factory for inspection. install device in an enclosure pr oviding protection against electrica l, mechanical and fire hazards. mount the unit on a din-rail so that the input terminals are located on the bottom of the unit. for other mounting orientations see de-rating requirements in this document. see chapter 25.13. unused screw terminals shou ld be securely tightened. do not unplug the connectors more often than 20 times in total. this device is designed for convection cooling and does not require an external fan. do not obstruct airflow and do not cover ventilation grid (e.g. cable conduits) by more than 15%! keep the following installation clearance s: 40mm on top, 20mm on the bottom (m easured from the ventilation grid), 5mm on the left and right sides are recomme nded when the device is loaded permanently with more than 50% of the rated power. increase this clearance to 15 mm in case the adjacent device is a h eat source (e.g. another power supply). a disconnecting means shall be provided for the output of the power supplies when used in applications according to csa c22.2 no 107.1-01. for use in a controlled environment according to csa 22.2 no 107.1-01. warning risk of electrical shock, fi re, personal injury or death. - do not use the power supply without proper grounding (protective earth). us e the terminal on the input connector for earth connection and not one of the screws on the housing. - turn input power off before wo rking on the device. protect ag ainst inadvertent re-powering. - make sure that the wiring is correct by following all local and national codes. - do not modify or repair the unit. - do not open the unit as high voltages are present inside. - use caution to prevent any foreign objects from enteri ng the housing. - do not use in wet locations or in areas wh ere moisture or condens ation can be expected. - do not touch during power-on, and immediatel y after power-off. hot surfaces may cause burns.
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 5/30 p r e l i m i n a r y 3. ac-i nput ac input nom. ac 100-240v suitable fo r tn-, tt- and it mains networks ac input range min. 85-264vac continuous operation min. 264-300vac < 500ms allowed voltage l or n to earth max. 300vac continuous, iec 62477-1 input frequency nom. 50C60hz 6% turn-on voltage typ. 82vac steady-state value, see fig. 3-1 shut-down voltage typ. 72vac steady-state value, see fig. 3-1 external input protection see recommendations in chapter 25.5 . ac 100v ac 120v ac 230v input current typ. 5.17a 4.28a 2.25a at 20a, see fig. 3-3 power factor *) typ. 0.996 0.996 0.980 at 20a, see fig. 3-4 crest factor **) typ. 1.65 1.63 1.63 at 20a start-up delay typ. 450ms 420ms 440ms see fig. 3-2 rise time typ. 45ms 45ms 45ms at 20a const. current load, 0mf load capacitance, see fig. 3-2 typ. 90ms 90ms 90ms at 20a const. current load, 20mf load capacitance,, see fig. 3-2 turn-on overshoot max. 200mv 200mv 200mv see fig. 3-2 *) the power factor is the ratio of the true (or real) power to the apparent power in an ac circuit. **) the crest factor is the mathematical ratio of the peak value to rms value of the input current waveform. fig. 3-1 input voltage range fig. 3-2 turn-on behavior, definitions turn-on 85v rated input range max. 500ms v p out in 300vac 264v shut-down start-up delay rise time overshoot - 5% output voltage input voltage fig. 3-3 input current vs. output current fig. 3-4 power factor vs. output current 24a 24681012141618 0 1 2 3 4 5 6a input current, typ. power factor, typ. 2 4 6 8 1012141618 24a 20 22 a) 100vac b) 120vac c) 230vac b a c output current 0.75 0.8 0.85 0.9 0.95 1.0 a, b c a) 100vac b) 120vac c) 230vac output current 20 22
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 6/30 p r e l i m i n a r y 4. dc-i nput dc input nom. dc 110-150v 20% dc input range min. 88-180vdc continuous operation dc input current typ. 4.64a at 110vdc, at 20a allowed voltage l/n to earth max. 375vdc continuous, iec 62477-1 turn-on voltage typ. 80vdc steady state value shut-down voltage typ. 70vdc steady state value fig. 4-1 wiring for dc input instructions for dc use: + - load l pe + - power supply ac battery n dc a) use a battery or a similar dc source. a supply from the intermediate dc-bus of a frequency converter is not recommended and can cause a malfunction or damage the unit. b) connect +pole to l and Cpole to n. c) connect the pe terminal to an earth wire or to the machine ground. 5. i nput i nrush c urrent an active inrush limitation circui t limits the input inrush current af ter turn-on of the input voltage. the charging current into emi suppression capacitors is disregarded in th e first microseconds after switch-on. ac 100v ac 120v ac 230v inrush current max. 15a peak 12a peak 5.5a peak temperature independent typ. 12a peak 10a peak 4.5a peak temperature independent inrush energy max. negligible small fig. 5-1 typical input inrush current behaviour at nominal load and 25c ambient output 100ms/div input 230vac 24vdc input current 5a / div
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 7/30 p r e l i m i n a r y 6. o utput output voltage nom. dc 24v 0%/+6% the device is featured with a soft out put regulation characteristic in order to achieve current share betwee n multiple devices, when they are connected in parallel. the soft output regul ation characteristic regulat es the output voltage in such a manner that the voltage at no load is approx. 4% higher than at nominal load. adjustment range see chapter 25.2 factory settings typ. 24.1v 0.2%, at full load, cold unit typ. 25.1v at no load, cold unit line regulation max. 10mv 85-300vac load regulation typ. 1000mv static value, 0a ? 20a; see fig. 6-1 ripple and noise voltage max. 50mvpp 20hz to 20mhz, 50ohm output current nom. 24a 1) below 45c ambient temperature, see fig. 17-1 nom. 20a at 60c ambient temperature, see fig. 17-1 nom. 15a at 70c ambient temperature, see fig. 17-1 typ. 60a up to 12ms once every five seconds, see fig. 6-3 the output voltage stays above 20v. see chapter 25.1 for more peak current measurements. overload behaviour continuous curre nt output voltage > 13vdc, see fig. 6-1 hiccup plus ? mode 2) output voltage < 13vdc, see fig. 6-1 short-circuit cu rrent min. 26a 3) load impedance <10mohm, see fig. 6-1 max. 31a 3) load impedance <10mohm, see fig. 6-1 max. 9.8a 3) average (r.m.s.) current, load impedance 50mohm, see fig. 6-2 . min. 55a up to 12ms, lo ad impedance <10mohm, see fig. 6-3 typ. 70a up to 12ms, load impedance <10mohm, see fig. 6-3 output capacitance typ. 8 000f included inside the power supply 1) power boost this power/ current is continuously allowed up to an ambient temperature of 45c. above 45c, do not use this power/ current longer than a duty cy cle of 10% and/ or not longer than 1 minute every 10 minutes. 2) hiccup plus ? mode at heavy overloads (when output voltage falls below 13v), the power supply delivers continuous output current for 2s. after thi s, the output is switched off for approx. 18s before a new start attempt is automatically performed. this cycle is repeated as long as the overload exists. if the overload has been cleare d, the device will operate normally. see fig. 6-2 . 3) discharge current of output capacitors is not included. fig. 6-1 output voltage vs. output current, typ. fig. 6-2 short-circuit on output, hiccup plus mode, typ. output voltage 0 4 8 12 28v 16 20 24 02 5 40a 15 5 10 20 30 35 output current continuous current hiccup plus mode output current 0 29a 18s t 18s 18s 2s 2s 2s short -circuit normal operation normal operation
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 8/30 p r e l i m i n a r y fig. 6-3 dynamic overcurrent capability, typ. output voltage (dynamic behavior, < 12ms) 0 4 8 12 28v 16 20 24 0 70a 30 10 40 50 20 60 output current 7. h old - up t ime ac 100v ac 120v ac 230v hold-up time typ. 65ms 65ms 65ms at 10a, see fig. 7-1 min. 54ms 54ms 54ms at 10a, see fig. 7-1 typ. 32ms 32ms 32ms at 20a, see fig. 7-1 min. 24ms 24ms 24ms at 20a, see fig. 7-1 fig. 7-1 hold-up time vs. input voltage fig. 7-2 shut-down behavior, definitions 0 10 20 30 40 80ms 90 120 155 190 230vac input voltage 50 60 hold-up time 20a, typ. 10a, min. 10a, typ. 70 20a, min. - 5% zero transition output voltage input voltage hold-up time
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 9/30 p r e l i m i n a r y 8. dc-ok r elay c ontact this feature monitors the out put voltage of the power supply in front of the decoupling device (see also chapter 12). contact closes as soon as the out put voltage reaches typ. 22vdc. contact opens as soon as the output voltage dips below 22vdc. short dips will be extended to a signal length of 100ms. dips shorter th an 1ms will be ignored. contact ratings maximal 60vdc 0.3a, 30v dc 1a, 30vac 0.5a, resistive load minimal permissible load 1ma at 5vdc isolation voltage see dielec tric strength table in chapter 20. fig. 8-1 dc-ok relay contact behavior 100ms 22vdc < 1ms open open closed closed > 1ms
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 10/30 p r e l i m i n a r y 9. e fficiency and p ower l osses ac 100v ac 120v ac 230v efficiency typ. 93.2% 93.8% 95.2% at 20a typ. 93.1% 93.7% 95.1% at 24a (power boost) average efficiency *) typ. 92.8% 93.4% 94.6% 25% at 5a, 25% at 10a, 25% at 15a. 25% at 20a power losses typ. 3.9w 3.5w 3.3w at 0a typ. 17.4w 16.4w 13.8w at 10a typ. 35.0w 31.7w 24.2w at 20a typ. 42.7w 38.7w 29.7w at 24a (power boost) *) the average efficiency is an assumption for a typical application where the power supply is loaded with 25% of the nominal load for 25% of the time, 50% of the nominal load for another 25% of the time, 75% of the nominal load for another 25% of the time and with 100% of the nominal load for the rest of the time. fig. 9-1 efficiency vs. output current, typ fig. 9-2 losses vs. output current, typ. efficiency 4 6 8 101214 1820 24a 87 88 90 91 92 93 94 95 96% output current 16 22 ( a ) ( b ) ( c ) (a) 100vac (b) 120vac (c) 230vac power losses 0 2 6 8 12 14 24a 5 10 20 30 0 40w 18 20 4 10 16 output current 22 ( a ) ( b ) ( c ) (a) 100vac (b) 120vac (c) 230vac 35 25 15 fig. 9-3 efficiency vs. input voltage at 20a, typ. fig. 9-4 losses vs. input voltage at 20a, typ. efficiency power losses 120 180 230 264vac 90 91 92 93 input voltage 94 95 96% 120 180 230 264vac 10 15 20 25 input voltage 30 35 40w 100 100
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 11/30 p r e l i m i n a r y 10. l ifetime e xpectancy the lifetime expectancy shown in the table indicates the minimum operating hou rs (service life) a nd is determined by the lifetime expectancy of the built-in el ectrolytic capacitors. lifetime expectan cy is specified in operational hours and is calculated according to the capaci tors manufacturer sp ecification. the manufacturer of the electrolytic capacitors only guarantees a maximum life of up to 15 years (131 400h ). any number exceeding th is value is a calculated theoretical lifetime which can be used to compare devices. ac 100v ac 120v ac 230v lifetime expectancy 117 000h 136 000h 164 000h at 10a and 40c 331 000h 386 000h 465 000h at 10a and 25c 40 000h 53 000h 90 000h at 20a and 40c 114 000h 150 000h 253 000h at 20a and 25c 16 000h 25 000h 47 000h at 24a and 40c 44 000h 69 000h 134 000h at 24a and 25c 11. mtbf mtbf stands for mean t ime between f ailure, which is calculated according to statistical device fa ilures, and indicates reliability of a device. it is the statisti cal representation of the li kelihood of a unit to fail and does not necessarily represent the life of a product. the mtbf figure is a statistica l representation of the likeli hood of a device to fail. a mt bf figure of e.g. 1 000 000h means that statistically one unit will fail every 100 hours if 10 000 units are installed in the fi eld. however, it can not be determined if the failed unit has b een running for 50 000h or only for 100h. for these types of units the mttf ( mean t ime t o f ailure) value is the same value as the mtbf value. ac 100v ac 120v ac 230v mtbf sn 29500, iec 61709 387 000h 412 000h 543 000h at 20a and 40c 723 000h 768 000h 976 000h at 20a and 25c mtbf mil hdbk 217f 164 000h 169 0 00h 199 000h at 20a and 40c; ground benign gb40 224 000h 231 000h 272 000h at 20a and 25c; ground benign gb25 34 000h 36 000h 42 000h at 20a and 40c; ground fixed gf40 45 000h 47 000h 56 000h at 20a and 25c; ground fixed gf25
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 12/30 p r e l i m i n a r y 12. f unctional d iagram fig. 12-1 functional diagram cp 20.241-r1 and cp20.241-r3 output over- voltage protection pfc converter power converter output filter output power manager temper- ature shut- down input fuse input filter input rectifier active inrush limiter l n decoupling *) + + - - - output voltage regulator output voltage monitor v out dc-ok contact dc-ok led dc-ok relay *) decoupling utilizes a mosfet fig. 12-2 functional diagram cp20.241-r2 + - output over- voltage protection pfc converter power converter output filter output power manager temper- ature shut- down input fuse input filter input rectifier active inrush limiter l n decoupling *) output voltage regulator output voltage monitor v out dc-ok contact dc-ok led dc-ok relay *) decoupling utilizes a mosfet
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 13/30 p r e l i m i n a r y 13. t erminals and w iring the terminals are ip20 finger sa fe constructed and suitable fo r field- and factory wiring. cp20.241-r1 input output dc-ok-signal type quick-connect spring- clamp termination quick-connect spring- clamp termination push-in termination solid wire max. 6mm 2 max. 6mm 2 max. 1.5mm 2 stranded wire max. 4mm 2 max. 4mm 2 max. 1.5mm 2 american wire gauge awg 20-10 awg 20-10 awg 24-16 max. wire diameter (including ferrules) 2.8mm 2.8mm 1.6mm wire stripping length 10mm / 0.4inch 10mm / 0.4inch 7mm / 0.28inch screwdriver 3 mm slotted to open the spring cp20.241-r2 input output dc-ok-signal type plug connector with screw termination plug connector with screw termination plug connector with screw termination solid wire max. 4mm 2 max. 6mm 2 max. 1.5mm 2 stranded wire max. 2.5mm 2 max. 6mm 2 max. 1.5mm 2 american wire gauge awg 20-12 awg 24-10 awg 26-14 max. wire diameter (includi ng ferrules) 2.4mm 3.2mm 1.8mm recommended tightening torque max. 0.5nm, 4.5lb-in max. 0.6n m, 5.3lb-in max. 0.8nm, 7lb-in wire stripping length 7mm / 0.28inc h 12mm / 0.47inch 6mm / 0.24inch screwdriver 3.5mm slotted or cross- head no 2 3.5mm slotted or cross- head no 2 3.5mm slotted cp20.241-r3 input output dc-ok-signal type screw termination screw termination push-in termination solid wire max. 6mm 2 max. 6mm 2 max. 1.5mm 2 stranded wire max. 4mm 2 max. 4mm 2 max. 1.5mm 2 american wire gauge awg 20-10 awg 20-10 awg 24-16 max. wire diameter (includi ng ferrules) 2.8mm 2.8mm 1.6mm recommended tightening tor que max. 1nm, 9lb-in max. 1nm, 9lb-in - wire stripping length 7mm / 0.28inch 7mm / 0.28inch 7mm / 0.28inch screwdriver 3.5mm slotted or cross- head no 2 3.5mm slotted or cross- head no 2 3mm slotted to open the spring instructions for wiring: a) use appropriate copper cables that are designed for minimum operating temperatures of: 60c for ambient up to 45c and 75c for ambient up to 60c and 90c for ambient up to 70c minimum. b) follow national installation c odes and installation regulations! c) ensure that all strands of a strande d wire enter the terminal connection! d) unused terminal compartments should be securely tightened. e) ferrules are allowed.
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 14/30 p r e l i m i n a r y 14. r eplacing u nits while the s ystem is r unning this feature is available only for th e cp20.241-r2 unit, which is equipped with hot-swappable plug connectors. fig. 14-1 replacing the power supply or redundancy module while the system is running load i i l n pe 1a l n pe + - cp20.241-r2 power supply dc-ok dc- ok output 24v 20a input l n pe + - cp20.241-r2 power supply dc-ok dc- ok output 24v 20a input 1b 2a 3a 3b 2b replacement instructions (example for left power supply): - switch-off circuit breaker (1a). - remove plug (2a). - remove plug (3a). the plug prev ents the cables from shorting. - change power supply. - put the plug (3a) back in. - put the plug (2a) back in. - turn-on the circuit breaker (1a). - the circuit is redundant again. to replace the right power supply, repeat th e process above using (1b), (2b) and (3b).
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 15/30 p r e l i m i n a r y 15. f ront s ide and u ser e lements fig. 15-1 front side cp20.241-r1 fig. 15-2 front side cp20.241-r2 fig. 15-3 front side cp20.241-r3 a input terminals n, l line input pe (protective earth) input b output terminals + positive output C ne gative (return) output c output voltage potentiometer see chapter 25.2 . d dc-ok led (green) on, when the output voltage is above 22v. e dc-ok relay contact the dc-ok relay contact is synchronized with the dc-ok led. see chapter 8 for details.
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 16/30 p r e l i m i n a r y 16. emc the power supply is suitable for applicat ions in industrial environm ent as well as in reside ntial, commercia l and light industry environment wi thout any restrictions. emc immunity according generic standards: en 61000-6-1 and en 61000-6-2 electrostatic disc harge en 61000-4-2 contact discharge air discharge 8kv 15kv criterion a criterion a electromagnetic rf field en 61000-4-3 80mhz-2.7ghz 20v/m criterion a fast transients (burst) en 61000-4-4 input lines output lines dc-ok signal (coupling clamp) 4kv 2kv 2kv criterion a criterion a criterion a surge voltage on input en 61000-4-5 l ? n l ? pe, n ? pe 2kv 4kv criterion a criterion a surge voltage on output en 61000-4-5 + ? - + / - ? pe 1kv 2kv criterion a criterion a surge voltage on signals en 61000-4-5 dc-ok signal ? pe 1kv criterion a conducted disturbance en 61000-4- 6 0.15-80mhz 20v criterion a mains voltage dips en 61000-4-11 0% of 100vac 40% of 100vac 70% of 100vac 0% of 200vac 40% of 200vac 70% of 200vac 0vac, 20ms 40vac, 200ms 70vac, 500ms 0vac, 20ms 80vac, 200ms 140vac, 500ms criterion a criterion c criterion c criterion a criterion a criterion a voltage interruptions en 61000-4-11 0% of 200vac (=0v) 5000ms criterion c voltage sags semi f47 0706 dips on the input voltage according to semi f47 standard 80% of 120vac (96vac) 70% of 120vac (84vac) 50% of 120vac (60vac) 1000ms 500ms 200ms criterion a criterion a criterion a powerful transients vde 0160 vver entire load range 750v, 0.3ms criterion a criterions: a: power supply shows normal operation behavior within the defined limits. c: temporary loss of function is possible. power supply may shut-down and restarts by itself. no damage or hazards for the powe r supply will occur. emc emission according generic standards: en 61000-6-3 and en 61000-6-4 conducted emission input lines en 55011, en 55015, en 55022, fcc part 15, cispr 11, cispr 22 class b conducted emission output lines *) iec/cispr 16-1-2, iec/cispr 16-2-1 li mits for dc power port according en 61000-6-3 fulfilled radiated emission en 55011, en 55022 class b harmonic input current en 61000-3-2 class a fulfilled between 0a and 12a load class c fulfilled between 6a and 12a load voltage fluctuations, flicker en 61000-3-3 fulfilled, teste d with constant current loads, non pulsing this device complies with fcc part 15 rules. operation is subjected to fo llowing two conditions: (1) this device may not cause ha rmful interference, and (2) this device must accept any interferenc e received, including interference that may cause undesired operation. *) for information only, not mandatory for en 61000-6-3
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 17/30 p r e l i m i n a r y switching frequencies the power supply has three converters included. two converters have a fixed switching frequency and one operates with a variable switching frequency. switching frequency 1 110khz pfc converter switching frequency 2 110khz to 140khz ma in converter, output power dependent switching frequency 3 60kh z auxiliary converter 17. e nvironment operational temperature 1) -40c to +70c (-40f to 158f) see also fig. 17-1 storage temperature -40c to +85c (-40 f to 185f) for storage and transportation output de-rating 6.4w/c 12w/c +45c to +60c (113f to 140f), see fig. 17-1 +60c to +70c (140f to 158f), see fig. 17-1 the de-rating is not hardware controlled. the customer has to take care by himself to stay below the de-rated current limits in order not to overload the unit. humidity 2) 5 to 95% r.h. iec 60068-2-30 vibration sinusoidal 2-17.8h z: 1.6mm; 17.8-500hz: 2g 3) 2 hours / axis 3) iec 60068-2-6 shock 30g 6ms, 20g 11ms 3) 3 bumps / direction, 18 bumps in total iec 60068-2-27 altitude 0 to 2000m (0 to 6 560ft) without any restrictions 2000 to 6000m (6 560 to 20 000ft) reduc e output current or ambient temperature, see fig. 17-2 iec 62477-1, overvoltage category ii altitude de-rating 30w/1000m or 5c/1000m above 2000m (6500ft), see fig. 17-2 over-voltage category iii iec 62477- 1, altitudes up to 2000m ii for altitudes from 2000m to 6000m degree of pollution 2 iec 62477-1, not conductive labs compatibility the unit does not re lease any silicone or other labs-criti cal substances and is suitable for use in paint shops. corrosive gases isa-71.04-198 5, severity level g3, iec 60068-2-60 test ke method 4 audible noise some audible noise ma y be emitted from the power supply during no load, overload or short circuit. 1) operational temperature is the same as the ambient or surrounding temperature and is defined as the air temperature 2cm belo w the unit. 2) do not energize while condensation is present 3) tested in combination with din-rails according to en 60715 with a height of 15mm and a thickness of 1.3mm and standard orien tation. fig. 17-1 output current vs. ambient temp. fig. 17-2 output current vs. altitude allowed output current 0 -40 020 40 70c 4a 8a 12a 16a 20a 24a 60 b a a... continuous b... short term (max. 5s) 0 0 2000m 4000m 6000m 4a 8a 12a 16a 20a 24a allowable output current ambient temperature altitude b c a . . . t a m b < 6 0 c b . . . t a m b < 5 0 c c . . . t a m b < 4 0 c d . . . s h o r t t e r m a d
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 18/30 p r e l i m i n a r y 18. p rotection f eatures output protection electroni cally protected against overload, no-load and short-circuits. in case of a protection event, audible noise may occur. output over-voltage pr otection typ. 30.5vdc max. 32vdc in case of an internal pow er supply defect, a redundant circuit limits the maximum output voltage. the output shuts down and automatically attempts to restart. degree of protection ip 20 en/iec 60529 penetration protection > 5mm e.g. screws, small parts over-temperature protection yes 1) output shut-down wi th automatic restart input transient protection mov (metal oxide varistor) for protection values see chapter 16 (emc). internal input fuse included not user replaceable slo w-blow high-braking capacity fuse 1) the temperature sensor is installed inside the isolating transformer and turns the unit off in safety critical situations (e .g. de-rating requirements not observed, high ambient temperature, ventilation obstructed or the mounting orientation de-rat ing is not follow ed). there is no correlation between the operating temperature and turn-off temperature since this is dependent on input voltage, lo ad and installation methods. there is no correlation between the operating temperature and turn-off temperature since this is dependent on input voltage, lo ad and installation methods. 19. s afety f eatures input / output separation double or reinforced galvanic isolation selv iec/en 60950-1 pelv iec/en 60204-1, en 62477-1, iec 60364-4-41 class of protection i pe (protect ive earth) connection required isolation resistance > 500mohm at delivered conditi on between input and output, measured with 500vdc > 500mohm at delivered condi tion between input and pe, measured with 500vdc > 500mohm at delivered condi tion between output and pe, measured with 500vdc > 500mohm at delivered conditi on between output and dc-ok contacts, measured with 500vdc pe resistance < 0.1ohm resistance between pe terminal and the housing in the area of the din-rail mounting bracket. touch current (leakage current) typ. 0.12ma / 0.31m a at 100vac, 50hz, tn-,tt-mains / it-mains typ. 0.18ma / 0.45ma at 120vac, 60hz, tn-,tt-mains / it-mains typ. 0.30ma / 0.76ma at 230vac, 50hz, tn-,tt-mains / it-mains max. 0.16ma / 0.38ma at 110vac, 50hz, tn-,tt-mains / it-mains max. 0.23ma / 0.55ma at 132vac, 60hz, tn-,tt-mains / it-mains max. 0.39ma / 0.94ma at 264vac, 50hz, tn-,tt-mains / it-mains
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 19/30 p r e l i m i n a r y 20. d ielectric s trength the output voltage is floating and has no ohmic connection to the ground. type and factory tests are conducted by the manufacturer. field tests may be c onducted in the field using the appropr iate test equipment which applies the voltage with a slow ramp (2s up and 2s down). connect all input-terminals togeth er as well as all ou tput poles before conducting the test. when testing, set the cut-off current settings to the value in the table below. fig. 20-1 dielectric strength a b c d type test 60s 2500vac 3000vac 1000vac 500vac factory test 5s 2500vac 2500vac 500vac 500vac field test 5s 2000vac 2000vac 500vac 500vac cut-off current setting > 10ma > 10ma > 20ma > 1ma ad c b b *) n l input dc-ok earth, pe output to fulfil the pelv requirements a ccording to en60204- 1 6.4.1, we recommend that either the + pole, the C pole or any other part of the output circuit shall be conne cted to the protective earth system. this helps to avoid si tuations in which a load starts unexpectedly or can not be swit ched off when unnoticed earth faults occur. - + b*) when testing input to dc-ok ensure that the max. voltage between dc-ok and the output is not exceeded (column d). we recomm end connecting dc-ok pins and the output pins together when performing the test.
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 20/30 p r e l i m i n a r y 21. a pprovals ec declaration of conformity the ce mark indicates conformance with the - emc directive (available), - low-voltage directiv e (available) and the - atex directive (planned) iec 60950-1 2 nd edition planned cb scheme, information technology equipment ul 508 planned ind. cont. e q. listed for use as industri al control equipment; u.s.a. (ul 508) and canada (c22.2 no. 107-1-01); e-file: e198865 ul 60950-1 2 nd edition planned recognized for use as information technology equipment, level 5; u.s.a. (ul 60950-1) and canada (c22.2 no. 60950-1); e-file: e137006 applicable for altitudes up to 2000m. ansi / isa 12.12.01-2007 class i div 2 planned recognized for use in hazardous location class i div 2 t4 groups a,b,c,d systems; u.s.a. (ansi / isa 12.12.01-2007) and canada (c22.2 no. 213-m1987) en 60079-0, en 60079-7 atex planned ii 3g ex ec nc ii t4 gc approval for use in hazardous locati ons zone 2 category 3g. number of atex certificate: will follow after certification process. the power supply must be built -in in an ip54 enclosure. iec 60079-0, iec 60079-7 planned iecex suitable for use in class 1 zone 2 groups iia, iib and iic locations. number of iecex certificate: will follow after certification process. marine planned gl (germanischer lloyd) classified environmental category: c, emc2 marine and offshore applications eac tr registration (except cp20.241-r3) registration for the eurasian customs union market (russia, kazakhstan, belarus) 22. r o hs, reach and o ther f ulfilled s tandards rohs directive directive 2011/65/eu of the european parliament and the council of june 8 th , 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment. reach directive directive 1907/2006/eu of the european parliament and the council of june 1 st , 2007 regarding the registration, evaluation, authorisation a nd restriction of chemicals (reach) iec/en 61558-2-16 (annex bb) safety isolating transformer safety isolating transformers co rresponding to part 2-6 of the iec/en 61558
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 21/30 p r e l i m i n a r y 23. p hysical d imensions and w eight width 48mm 1.89 height 124mm 4.88 (without plug-connectors) depth 127mm 5.0 (without plug-connector) the din-rail height must be added to the unit depth to calculate the total required installation depth. weight 830g / 1.83lb for c p20.241-r1 and cp20.241-r3 850g / 1.87lb for cp20.241-r2 din-rail use 35mm din-rails according to en 60715 or en 50022 with a height of 7.5 or 15mm. housing material body: aluminium alloy cover: zinc-plated steel installation clearances see chapter 2 fig. 23-1 front view cp20.241-r1 cp20.241-r3 fig. 23-2 side view cp20.241-r1 and cp20.241-r3 all dimensions in mm all dimensions in mm
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 22/30 p r e l i m i n a r y fig. 23-3 front view cp20.241-r2 fig. 23-4 side view cp20.241-r2 all dimensions in mm all dimensions in mm
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 23/30 p r e l i m i n a r y 24. a ccessories 24.1. zm5.wall C w all /p anel m ount b racket this bracket is used to mount the devices on a wall/panel without utilizing a din-rail. it is suitable for the cp20.241-r1 , cp20.241-r2 and cp20.241-r3. the bracket can be mounted without detaching the din-rail brackets. fig. 24-1 isometric view (picture shows the cp20.241-r2) fig. 24-2 isometric view- (picture shows the cp20.241-r2) fig. 24-3 isometric view (picture shows the cp20.241-r2) fig. 24-4 wall/panel mounting, front view (picture shows the cp20.241-r2) fig. 24-5 hole pattern for wall mounting fig. 24-6 wall/panel mounting, side view (picture shows the cp20.241-r2)
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 24/30 p r e l i m i n a r y 25. a pplication n otes 25.1. p eak c urrent c apability the device has a power reserve of 20% included, which may even be used cont inuously at temperatures up to +45c. additionally, it can deliver about 3 ti mes the nominal output current for 12 ms which helps to trip fuses on faulty output branches or to start peak current demanding loads. solenoid s, contactors and pneumatic modules often have a steady state coil and a pick-up coil. the inrush current demand of the pick-up coil is several times higher than the steady-state current and usually exceeds the nominal output current (including the powerboost). the same situation applies when starting a capacitive load. the following examples show typical voltage dips: fig. 25-1 peak load with 2x the nominal current for 50ms, typ. fig. 25-2 peak load with 5x the nominal current for 5ms, typ. 10ms/div output voltage output current 24v 0a 40a 16v 24v output voltage output current 1ms/div 0a 100a 16.5v 40a peak load (resistive) for 50ms output voltage dips from 24v to 16v. 100a peak load (resistive) for 5ms output voltage dips from 24v to 16.5v. fig. 25-3 60a peak load for 12ms, typ. 24v 0a 12ms 60a 20v output voltage output current please note: the dc-ok relay triggers when the voltage dips more than 10% for longer than 1ms. peak current voltage dips typ. from 24v to 16v at 40a for 50ms, resistive load typ. from 24v to 21v at 100a for 2ms, resistive load typ. from 24v to 16.5v at 100a for 5ms, resistive load
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 25/30 p r e l i m i n a r y 25.2. a djusting the o utput v oltage a voltage adjustment potentiometer can be found behind the flap on the front of the unit (see chapter 15). however, it is not recommended to ch ange the output voltage since load sharing between power s upplies connected in parallel can only be achieved by a precise sett ing of the output voltages. the factory settings allow precise load sharing and only qualified personnel should cha nge the adjustment potentiometer. adjustment range min. 24 - 28v please note th e soft output regulation characteristic where the voltage at no load is approx. 4% higher than at nominal load. see chapter 6 for details. max. 30v maximum output voltage which can occur at the clockwise end position of the potentiometer due to tolerances. it is not a gua ranteed value which can be achieved. the typical value is about 29.5v. output current at 28v nom. 20.6a below +45c ambient nom. 17.1a at +60c ambient nom 13.0a at +70c ambient current values between 24v and 28v can be interpolated. the output voltage shall only be changed when ab solutely necessary, e.g. for battery charging. 25.3. c harging of b atteries this redundancy power supply is ideal for charging batteries due to the decoupling circuit built in to the output stage which does not require a fuse or diode between the power supply and the battery. it can be used to charge sealed lead ac id (sla) or valve regulated lead acid (v rla) lead batteries when following these instructions: a) set output voltage (measured at disco nnected battery) very precisely to the end-of-charge voltage. use the potentiometer, which is hidden behind the flap on the front of the unit. battery temperature 10c 20c 30c 40c end-of-charge voltage 27. 8v 27.5v 27.15v 26.8v b) ensure that the ambient temperature of the power supply stays below 40c. c) use only matched batteries when putting 12v types in series. d) the return current to the power suppl y (battery discharge current) is typi cally 11ma when the power supply is switched off. 25.4. b ack - feeding l oads loads such as decelerating motors and induc tors can feed voltage back to the power supply. this feature is also called return voltage immunity or resi stance against back- e.m.f. ( e lectro m agnetic f orce). this power supply is resistant and does not show malfunctioning when a load f eeds back voltage to the power supply. it does not matter whether the power supply is on or off. the maximum allowed feed -back-voltage is 35vdc.
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 26/30 p r e l i m i n a r y 25.5. e xternal i nput p rotection the unit is tested and approved for bran ch circuits up to 30a (ul) and 32a (i ec). an external protection is only required if the supplying branch has an ampacity greater than this. check also local codes and local requirements. in some countries local re gulations might apply. if an external fuse is necessary or utilized, minimum requirements need to be considered to avoid nuisance tripping of the circuit breaker. a mi nimum value of 10a b- or c-char acteristic breaker should be used. 25.6. o utput c ircuit b reakers standard miniature circuit breakers (mcbs or ul 1077 circuit breakers) are commonly used for ac-supply systems and may also be used on 24v branches. mcbs are designed to protect wires and ci rcuits. if the ampere value and the char acteristics of the mcb are adapted to the wire size that is used, the wiring is considered as thermally safe rega rdless of whether the mcb opens or not. to avoid voltage dips and under-voltage situations in adjacent 24v branches wh ich are supplied by the same source, a fast (magnetic) tripping of the mcb is desired. a quick shutdown within 10ms is necessary corresponding roughly to the ride-through time of plc's. this re quires power supplies with high current reserves and large output capacitors. furthermore, the impedance of the faulty branch must be sufficiently small in or der for the current to actually flow. the best current reserve in the power su pply does not help if ohms law does not permit current flow. the following table has typical test results showing which b- and c-characteristic mcbs magneti cally trip depending on the wire cross section and wire length. fig. 25-4 test circuit maximal wire length *) for a fast (magnetic) tripping: 0.75mm2 1.0mm2 1.5mm2 2.5mm2 c-2a 34m 45m 64m 101m c-3a 27m 36m 52m 79m c-4a 19m 26m 35m 56m c-6a 9m 12m 16m 23m c-8a 4m 8m 12m 18m c-10a 4m 6m 9m 15m c-13a 2m 3m 4m 5m b-6a 23m 30m 38m 67m b-10a 11m 14m 21m 32m b-13a 7m 12m 17m 23m b-16a 4m 6m 8m 11m mcb power supply ac dc + - load + - b-20a 1m 1m 2m 4m wire length s1... fault simulation switch s1 *) dont forget to consider twice the distance to the load (or cable length) when calculating the total wire length (+ and C wi re).
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 27/30 p r e l i m i n a r y 25.7. s eries o peration power supplies of the same type can be connected in series for higher output voltages. it is possible to connec t as many units in series as needed, providing the sum of the output volt age does not exceed 150vdc. voltages with a potential above 60vdc are not selv any more and can be dangerous. such voltages must be installed with a protection against touching. unit a input output unit b - + - + load + - input output avoid return voltage (e.g. from a decelerating motor or battery) which is applied to the output terminals. keep an installation clearance of 15 mm (left / right) between two power supplies and avoid installing the power supplies on top of each other. do not use power supplies in series in mo unting orientations other than the standard mounting orientat ion (input terminals on bottom of the unit). pay attention that leakage current, emi, inrush current, ha rmonics will increase when usin g multiple power supplies. 25.8. p arallel u se to i ncrease o utput p ower power supplies can be paralleled to increase the output power. for redundancy applications one extra pow er supply is always needed for sufficient output current in case one unit fails. the unit is permanently set to para llel use mode in order to achieve load sharing between power supplies connected in para llel. the parallel use mode regulates the output voltage in such a manner that the voltage at no load is approx. 4% higher than at nominal load. see also chapter 6 . energize all units at the same ti me to avoid the overload hiccup plus mode. it also might be necessary to cycle the input power (turn-off for at least five seconds), if the output was in hiccup plus mode due to overload or short circuits and the required output current is higher than the current of one unit. unit a unit b - + - + load + - input output input output keep an installation clearance of 15mm (left / right) be tween two power supplies and avoid installing the power supplies on top of each other. do not use power supplies in parallel in mounting or ientations other than the standa rd mounting orie ntation (input terminals on bottom of the unit) or in any other condition where a derating of the output current is required (e.g. altitude). pay attention that leakage current, emi, inrush current, ha rmonics will increase when usin g multiple power supplies. do not load paralleled power s upplies with higher currents as s hown in the following diagrams: fig. 25-5 output current vs. ambient temp. for two paralleled units fig. 25-6 output current vs. ambient temp. for three paralleled units allowed output current for two paralleled units allowed output current for three paralleled units 48a 0 30 40 50 60 70c 8a 16a 24a 32a 40a b 72a a ambient temperature a... continuous b... short term (max. 5s) 36.6 28a 0 30 40 50 60 70c 12a 24a 36a 48a 60a b a 42a a... continuous b... short term (max. 5s) 36.6 ambient temperature
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 28/30 p r e l i m i n a r y 25.9. p arallel u se for r edundancy power supplies can be paralleled for re dundancy to gain higher system availability. the unit is already equipped with a mosfet as decoupling device on the output to avoid, that a faulty unit becomes a load for the other power supplies and the output voltage cannot be maintained any more. recommendations for building redundant power systems: a) use separate input fuses for each power supply. b) monitor the individual power supply units by utilizing the built-in dc-ok relay contacts on each power supply. fig. 25-7 wiring diagram, 1+1 redundancy for 20a output current 24v, 20a load failure monitor l n pe i i l n pe + - cp20.241-rx power supply dc-ok dc- ok output 24v 20a input l n pe + - cp20.241-rx power supply dc-ok dc- ok output 24v 20a input note: use separate mains systems for each power supply whenever it is possible fig. 25-8 wiring diagram, n+1 redundancy for 40a output current 24v, 40a load failure monitor l n pe l n pe + - cp20.241-rx power supply dc-ok dc- ok output 24v 20a input i i i l n pe + - cp20.241-rx power supply dc-ok dc- ok output 24v 20a input l n pe + - cp20.241-rx power supply dc-ok dc- ok output 24v 20a input note: use separate mains systems for each power supply whenever it is possible. observe the temperature derating requirements of fig. 25-5 and fig. 25-6 for n+1 redundancy applications.
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany 29/30 p r e l i m i n a r y 25.10. i nductive and c apacitive l oads the unit is designed to supply any kind of loads, including capacitive and inductive loads. if extreme large capacitors, such as edlcs (electric double layer capa citors or ultracaps) with a capacita nce > 1f are connected to the output, the unit might charge the capacitor in the hiccup plus mode (see chapter 6 ). 25.11. o peration on t wo p hases the power supply can also be used on two-phases of a three-phase- system. such a phase-to-phase connection is allowed as long as the supplying voltage is below 240v +10% . 240v +10% max. l2 l1 l3 l n pe power supply ac dc 25.12. u se in a t ightly s ealed e nclosure when the power supply is installed in a tightly sealed encl osure, the temperature inside the enclosure will be higher than outside. in such situations, th e inside temperature defi nes the ambient temperatur e for the power supply. the following measurement results can be used as a reference to estimate the temperature rise inside the enclosure. the power supply is placed in the middle of the box , no other heat producing items are inside the box enclosure: rittal typ ip66 box pk 9519 100, plastic, 180x180x165mm load: 24v, 16a; (=80%) lo ad is placed outside the box input: 230vac temperature inside enclosure: 51.9c (i n the middle of the right side of the pow er supply with a distance of 2cm) temperature outside enclosure: 25.6c temperature rise: 26.3k
cp20.241-r1, cp20.241-r2, cp20.241-r3 cp-series 24v, 20a, s ingle p hase i nput june 2017 / rev. 0.1 ds-cp20.241-r2-en all parameters are typical values specified at 20a, 230vac, 25c ambient and after a 5 minutes run-in time unless otherwise not ed. www.pulspower.com phone +49 89 9278 0 germany p r e l i m i n a r y 25.13. m ounting o rientations mounting orientations ot her than all terminals on the bottom require a reduction in continuous output power or a limitation in the maximum allowed ambien t temperature. the amount of reduction influences the lifetime expectancy of the power supply. therefore, tw o different derating curves for cont inuous operation can be found below: curve a1 recommended output current. curve a2 max allowed output current (res ults in approximately half the lifetime expectancy of a1). fig. 25-9 mounting orientation a (standard orientation) power supply output output current 0 10 20 30 40 60c 24a 30/30 input a 1 6 12 18 ambient temperature 50 fig. 25-10 mounting orientation b (upside down) power supply output input output current 0 10 20 30 40 60c 24a 6 12 18 50 ambient temperature a 2 a 1 fig. 25-11 mounting orientation c (table-top mounting) output current 0 10 20 30 40 60c 24a 6 12 18 a 1 a 2 ambient temperature 50 fig. 25-12 mounting orientation d (horizontal cw) power supply output input output current 0 10 20 30 40 60c 24a 6 12 18 a 1 a 2 ambient temperature 50 fig. 25-13 mounting orientation e (horizontal ccw) power supply output input output current 0 10 20 30 40 60c 6 12 18 24a 50 ambient temperature a 1 a 2

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