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techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 1 highligh ts & features ? universal ac input voltage ? built - in constant current circuit for reactive loads ? up to 88 .0% efficiency ? full power from - 2 0c to +50c operation at 230vac @ 5000 m eters or 16400 f ee t altitude ? built - in dc ok relay contact option available ? compliance to semi f47 @ 200vac ? conformal coating on pcbas to protect against common dust and chemical pollutants safety standards cb certified for worldwide use model number: drl - 24v 48 0w1a ? unit weight : 1 . 30 kg ( 2 . 86 lb) dimensions (l x w x d): 12 3.6 x 85.5 x 1 28 . 5 mm (4.8 7 x 3 . 3 7 x 5 . 0 6 inch) general description delta?s lyte din rail power supply series is designed for cost sensitive users who need to fulfill essential features needed for many general industrial applications, without compromising on quality and reliability. the convection - cooled lyte series will operate betwe en - 20c to +70c, with full rated power available from - 10c to +50c at 230vac. the overcurrent protection is designed to operate in constant current mode, which makes the lyte series suitable for inductive and capacitive load applications. the product i s certified according to safety standards iec/en/ul 60950 - 1 for information technology equipment (ite) and ul 508 for industrial control equipment (ice). electromagnetic radiated and conducted emissions are compliant to en 55022, class b; and, the product is fully compliant for environmental protection requirements per rohs directive 2011/65/eu. model information lyte din rail power supply model number input v oltage range rated output v oltage rated output cur r ent drl - 24v 480 w 1a ? 85- 264v ac (120 - 375vdc) 24 vdc 2 0 . 0a model numbering dr l ? 24v 480 w 1 a din rail product type l ? l yte series output voltage output power si ngle phase delta standard a ? without dc ok contact s ? with dc ok relay contact
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 2 specifications input ratings / characteristics nominal input v oltage 100- 2 40 vac input v oltage range 85 - 264 vac nominal input f r equency 50- 60hz input f r equency range 47- 63hz dc input voltage range* 120- 375vdc input cur r ent 5 . 4 a typ. @ 115 vac, 2 . 7 a typ. @ 230 vac e f ficiency at 100% load 8 5 % typ. @ 115 vac, 88 % typ. @ 230 vac max power dissipation 0% load 100% load 5 w @ 115vac 4w @ 230vac 50 w @ 115vac 4 0 w @ 230vac max inrush cur r ent (cold start) 4 0 a typ. @ 115 vac, 8 0 a typ. @ 230 vac power factor at 100% load > 0.95 @ 115vac & 230vac leakage cur r ent < 1 ma @ 2 64 vac *fulfills test conditions for dc input. safety approval for dc input can be obtained upon request. output ratings / characteristics ** nominal output voltage 24 vdc factory set point t olerance 24 vdc 2% output voltage adjustment range 22- 28 vdc output current 20 .0a ( 48 0w max. ) output power 480w line regulation < 0.5 % (@ 85 - 264 vac , 100% load) load regulation < 1 .5 % ( 0 - 100% load) @ > - 10c to +70c < 2.0% ( 0 - 100% load) @ - 10c to - 20c pard *** (20mhz) < 120mvpp @ 0c to +70c < 24 0mvpp @ < 0c to - 1 0c < 3 6 0mvpp @ < - 10c to - 20c rise time 10 0ms typ. @ nominal input (100% load) start - up time 10 00ms typ. @ 115 vac & 230 vac (100% load ) hold - up time 1 0 ms typ. @ 115 vac (100% load ) 16 ms typ. @ 230 vac (100% load ) dynamic response (overshoot & undershoot o/p voltage) 10 % (2400mvpp) @ 85 - 264vac input , 0 - 5 0% load , 50 - 100% load (slew rate: 0.1a/ s) start - up with capacitive loads 8 ,000f max functional dc ok relay contact 30 v / 1 a the relay contact are normally ?on? (closed) when the output (vout) is greater than 90% of its rated value. **for power de - rating from 40c to 70c @ 115vac & 50c to 70c @ 230vac, and vin < 1 0 0vac , see power de - rating on page 3. ***pard is measured with an ac coupling mode, 5cm wires, and in parallel with 0.1f ceramic capacitor & 47f electrolytic capacitor.
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 3 mechanical case cover / chassis sgcc / aluminium dimensions (l x w x d) 123.6 x 85.5 x 128.5 mm ( 4.8 7 x 3.3 7 x 5.0 6 inch ) unit weight 1.30 kg (2.86 lb) indicator green led (dc ok) cooling system convection terminal input 3 pins (rated 6 00v/ 35a ) output drl - 24v 48 0w1a a : 4 pins (rated 300v/28a) drl - 24v48 0w1a s : 6 pins (rated 300v/28a) wire input awg 16 - 12 output awg 16 - 12 mounting rail standard ts35 din rail in accordance with en 60715 noise (1 meter from power supply) sound pressure level (spl) < 25 dba environment surrounding air temperature operating - 2 0 c to + 7 0 c storage - 4 0 c to + 85c power de - rating > 4 0c de - rate power by 1.67 % / c @ 115vac > 50c de - rate power by 2.5 % / c @ 230vac < 1 00vac de - rate power by 1 % / vac operating humidity 5 to 95 % rh (non - condensing) operating altitude 0 to 5 , 0 00 meters (16,400 ft.) for ite application 0 to 2,000 meters (6,560 ft.) for i ce application shock test non - operating iec 60068 - 2 - 27, 27, half sine wave: 50g for duration of 22 ms ; 3 times per direction, 9 times in total operating iec 60068 - 2 - 27, 27, half sine wave: 4 g for duration of 22 ms ; 3 time per direction, 9 times in total vibration non - operating iec 60068 - 2 - 6, random: 5hz to 500hz ; 2.09g rms ; 20 min per axis for all x, y, z directions operating iec 60068 - 2 - 6, sine wave: 10hz to 500hz @ 19.6m/s 2 (2g peak); displacement of 0.35mm; 10 min per cycle, 60 min for all x , y, z direction pollution degree 2 protections overvoltage 28. 4 v - 35. 2 v , selv output, latch mod e overload / overcurrent 1 0 9 - 1 3 0 % of rated load current, cont inuous current over temperature latch mod e short circuit hiccup mode, non - latching (auto - recovery when the fault is removed) internal fuse f10 a / 250v degree of protection ip20 protection against shock class i with pe* connection *pe: primary earth
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 4 reliability data mtbf telcordia sr - 332 > 700,000 hrs i/p: 1 00 vac, o/p: 100% load , ta: 25c expected cap life time 10 years ( 115 vac & 230vac , 50% load @ 40c) safety standards / directives safety entry low voltage selv (en 60950 - 1 ) electrical safety tuv bauart ul/cul recognized ccc cb scheme en 60950 - 1 ul 60950 - 1 and csa c22.2 no. 60950 - 1 (file no. e131881) gb4943.1 iec 60950 - 1 industrial control equipment ul/cul listed ul 508 and csa c22.2 no. 107.1 - 01 (file no. e338991) ce in conformance with emc directive 2004/108/ec and low voltage directive 2006/95/ec material and parts rohs directive 2011/65/eu compliant galvanic isolation 3 .0kvac input to output 2.0kvac input to ground 0 .5kvac output to ground
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 5 emc emc / emissions generic standards: en 61000 - 6 - 3, en 61000 - 6 - 4 cispr 22, en 55022, en 55011, fcc title 47: class b ; gb9254.1 component power supply for general use en 61204 - 3 immunity to generic standards: en 61000 - 6 - 1, en 61000 - 6 - 2, en 55024 electrostatic discharge iec 61000 - 4 - 2 level 4 criteria a 1) air discharge: 15 kv contact discharge: 8 kv radiated field iec 61000 - 4 - 3 level 3 criteria a 1) 80mhz - 1ghz, 10v/m with 1khz tone / 80% modulation 1.4ghz - 2ghz, 3v/m with 1khz tone / 80% modulation 2ghz - 2.7ghz, 1v/m with 1khz tone / 80% modulation electrical fast transient / burst iec 61000 - 4 - 4 level 3 criteria a 1) 2kv surge iec 61 0 00- 4 - 5 level 4 criteria a 1) common mode 3 ) : 4 kv differential mode 4 ) : 2 kv conducted iec 61000 - 4 - 6 level 3 criteria a 1) 150khz - 80mhz, 10vrms power frequency magnetic fields iec 61000 - 4 - 8 level 4 criteria a 1) 3 0a/ m voltage dips and interruptions iec 61000 - 4 - 11 0% of 100vac, 20ms 40% of 100vac, 200ms 70% of 100vac, 500ms 0% of 100vac, 5000ms 0% of 240vac, 20ms 40% of 240vac, 200ms 70% of 240vac, 500ms 0% of 240vac, 5000ms criteria a 1) criteria b 2 ) criteria a 1 ) criteria b 2) criteria a 1) criteria a 1) criteria a 1) criteria b 2) low energy pulse test (ring wave) iec 61000 - 4 - 12 level 3 criteria a 1) common mode 3 ) : 2kv differential mode 4 ) : 1kv harmonic current emission iec/en 61000 - 3 - 2, class a ; gb17625.1 voltage fluctuation and flicker iec/en 61000 - 3 - 3 voltage sag immunity semi f47 - 0706 80% of 200vac 70% of 200vac 50% of 200vac 160vac, 1 000m s 140vac, 500ms 100vac, 200ms criteria a 1) criteria a 1) criteria a 1) 1) criteria a: normal performance within the specification limits 2) criteria b: temporary degradation or loss of function which is self - recoverable 3) asymmetrical: common mode (line to earth) 4) symmetrical: differential mode (line to line)
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 6 block diagram drl - 24v 48 0w1aa drl - 24v48 0w1as
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 7 device description 1) input terminal block connector 2) output terminal block connector 3) dc ok relay contact (for drl - 24v 48 0w1as only) 4) dc voltage adjustment potentiometer 5) dc ok led (green) 6) universal mounting rail system dimensions l x w x d: 123.6 x 85.5 x 128.5 mm ( 4.8 7 x 3.3 7 x 5.0 6 inch ) drl - 24v 48 0w1aa
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 8 l x w x d: 123.6 x 85.5 x 128.5 mm ( 4.8 7 x 3.3 7 x 5.0 6 inch ) drl - 24v48 0w1a s
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 9 engineering data output load de - rating vs surrounding air temperature output load de - rating vs input voltage note 1. power supply components may degrade, or be damaged, when the power supply is continuously used outside the shaded region, refer to the graph shown in fig. 1. 2. if the output capacity is not reduced when the surrounding air temperature >4 0c (115vac) or >50 c (230vac), the device will run into over temperature protecti on. when activated, power supply will latch off, until the surrounding air temperature is lowered or the load is reduced as far as necessary to keep the device in working condition, and require removal/re - application of input ac voltage in order to restart . 3. in order for the device to function in the manner intended, it is also necessary to keep a safety distance as recommended in the safety instructions while the device is in operation. 4. depending on the surrounding air temperature and output load delivered by the power supply, the device can be very hot! 5. if the device has to be mounted in any other orientation, please contact info@deltapsu.com for more details. ? no output power de - rating for the input voltage from 1 0 0 vac to 264 vac fig. 1 de - rating for vertical mounting orientation > 4 0c de - rate power by 1.67 % / c @ 115vac (test at 115vac condition) > 50c de - rate power by 2.5 % / c @ 230vac (test at 230vac condition)
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 10 assembly & installation the power supply unit (psu) can be mounted on 35mm din rails in accordance with en 60715. t he device should be installed with input terminal block at the bottom. each device is delivered ready to install. mounting dismounting fig. 2.1 mounting snap on the din rail as shown in fig. 2.1: 1. tilt the unit upwards and insert it onto the din rail. 2. push downwards until stopped. 3. press against the bottom front side for locking. 4. shake the unit slightly to ensure that it is secured. fig. 2.2 dismounting to uninstall, pull or slide down the latch with screw driver as shown in fig. 2.2. then slide the power supply unit (psu) in the opposite direction, release the latch and pull out the power supply unit (psu) from the rail. in accordance to en 60950 / ul 60950, flexible cables require ferrules. use appropriate copper cables designed to sustain operating temperature of at least 60c / 75c or more to fulfill ul requirements.
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 11 safety instru ctions ? vertical mounting ? always switch mains of input power off before connecting and disconnecting the input voltage to the unit. if mains are not turned off, there is risk of explosion / severe damage. ? to guarantee sufficient convection cooling, keep a distance of 50mm (1.96 inch) above and 18cm (7.08 inch) below the device as well as a lateral distance of 10mm (0.39 inch) to other units. ? note that the enclosure of the device can become very hot dependi ng on the surrounding air temperature and load of the power supply. risk of burns! ? the main power must be turned off before connecting or disconnecting wires to the terminals. ? do not insert any objects into the unit. ? hazardous voltages may be present for u p to 5 minutes after the input mains voltage is disconnected. do not touch the unit during this time. ? the power supplies are built in units and must be installed in a cabinet or room (condensation free environment and indoor location) that is relatively fr ee of conductive contaminants.
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 12 functions graph illustrating the start - up time, rise time, and hold - up time start - up time the time required for the output voltage to reach 90% of its final steady state set value, after the input voltage is applied. rise time the time required for the output voltage to change from 10% to 90% of its final steady state set value. hold - up time time between the collapse of the ac input voltage, and the output falling to 95% of its steady state set value. inrush current inrush current is the peak, instan taneous, input current measured and, occurs when the input voltage is first applied. for ac input voltages, the maximum peak value of inrush current will occur d uring the first half cycle of the applied ac voltage. this peak value decreases exponentially during subsequent cycles of ac voltage. dynamic response the power supply output voltage will remains within 10 % of its steady state value, when subjected to a dynamic load from 0 to 100% of its rated current. ? 50% duty cycle / 5hz to 1 00hz
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 13 overload & overcurrent protections (continuous current) the power supply?s over load (olp) and over current (ocp) protection s will be activated when output current is 109 ~1 3 0% of i o (max load). upon such an occurrence, the v o (output voltage) will start to droop . o nce the power supply has reached its maximum power limit , the protection will be activated; and, the power supply will operate in continuous current . the power supply will recover once the cause of olp or ocp is removed , and i o (output current) is back within the specifi ed range . short circuit protection (auto - recovery) the power supply?s output short circuit protection function also provides protection against short circuits. when a short circuit is applied, the output current will operate in ?hiccup mode?. the power supply will return to normal operation after the short cir cuit is removed. overvoltage protection (latch mode) the power supply?s overvoltage circuit will be activated when its internal feedback circuit fails. the output voltage shall not exceed its specifications as described in ?protections? section . power supply will latch off, and require removal/re - application of input ac voltage in order to restart. the power supply should be latch . over temperature protection (latch mode) as described in load de - rating section, the power supply also has over temperature protection (otp). in the event of a higher operating temperature at 100% load; or, when the operating temperature is beyond what is recommended in the de - rating graph, the otp circuit will be activated. when activated, power supply will latch o ff, until the surrounding air temperature drops to its normal operating temperature or the load is reduced as recommended in the de - rating graph. removal/re - application of input ac voltage will then be required in order to restart.
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 14 operating mode ? redundan t operation step 3. connect the system load to v out . please note that output voltage v out from drr module will be = v o (output voltage of power supply) ? v drop * (in drr module). *vdrop will vary from 0.60v to 0.90v (typical 0.65v) depending on the load current and surrounding air temperature. ? parallel operation fig. 3 redundancy operation connection diagram fig. 4 parallel operation connection diagram the power supply units (p sus) can also be used for parallel operation in order to increase the output power. the difference in output voltage between the two units must be kept to within 25mv of each other. this difference must be verified with the same output load connected inde pendently to each unit. parameters such as emi, inrush current, leakage current, pard, start up time will be different from those on the datasheet, when two units are connected in parallel. the user will need to verify that any differences will still allo w the two power supplies connected in parallel will work properly in their product/application. in order to ensure proper redundant operation for the power supply units (psus), the output voltage difference between the two units must be kept at 0. 45~ 0.5v for these 2 4v supplies. follow simple steps given below to set them up for the redundant operation: step 1. measure output voltage of psu 1 and psu 2. if psu 1 is the master unit, then v o of psu 1 must be higher than psu 2. in order to set the output voltage, individually connect each power supply to 50% of rated load at any line voltage from 85 - 264vac , and set the psu 1 and psu 2 output voltage. step 2. connect the power supply units psu 1 and psu 2 to vin 1 & v in 2, respectively, of the drr - 4 0n (or 4 0a) module shown on the right of above diagram.
techincal d at asheet lyte din rail power supply 24v 480w 1 phase / dr l - 24 v 48 0w 1a all parameters are specified at 25 c ambient and ac input unless otherwise indicated. www. deltapsu .com ( may 2016 , rev. 01 ) 15 others delta rohs compliant restriction of the usage of hazardous substances the european directive 2011/65/e u limits the maximum impurity level of homogeneous materials such as lead, mercury, cadmium, chrome, polybrominated flame retardants pbb and pbde for the use in electrical and electronic equipment. rohs is the abbreviation for ?restriction of the use of certain hazardous substances in electrical and electronic equipment?. this product conforms to this standard. conformal coating the protective coating technology delta electronics group has designed the perfect dipping technique which penetrates everywhere including under device, and prevents leakage. the conformal coating dipping can be applied to pcb a s or circuit board. the coating preserves the performance of precision electronic primarily by preve nting ionizable contaminants such as salt from reaching circuit nodes, where the material slumps around sharp edges. this can be a problem especially in highly conversing atmosphere. pfc ? norm en 61000 -3 -2 line current harmonic content typically, the input current waveform is not sinusoidal due to the periodical peak charging of the input capacitor. in industrial environment, complying with en 61000 - 3 - 2 is only necessary under special conditions. complying to this standard can have some technical drawbacks, such as lower efficiency as well as some commercial aspects such as higher purchasing costs. frequently, the user does not profit from fulfilling this standard, therefore, it is important to know whether it is mandatory to meet this standard for a specific application.

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