mdr-24s series input parameter conditions min. typ. max. units input voltage range universal 90 264 vac 120 370 vdc input frequency 47 63 hz input undervoltage lockout 72 88 vac inrush current, cold start 110 vac 16 a 220 vac 30 a output parameter conditions min. typ. max. units output voltage accuracy ?.0 % line regulation vin = ?0% ?.1 % load regulation (note 1) iout = 10% to 90% ?.0 % hold time 230 vac, full load 80 msec ripple & noise (20 mhz) (note 2) 50 mv p-p over current protection mdr-24-05s 4.4 a mdr-24-12s 2.4 mdr-24-24s 1.3 temperature coef cient ?.02 %/? output short circuit continuous with autorecovery general parameter conditions min. typ. max. units isolation voltage input - output 3,000 vac switching frequency 60 100 khz environmental parameter conditions min. typ. max. units operating temperature range ambient -25 +25 +70 ? storage temperature range -25 +85 ? power derating 3.75%/ ? above 55? humidity rh, non-condensing 95 % physical case size 3.99 x 4.51 x 0.886 inches (99.0 x 114.5 x 22.5 mm) case material green plastic case protection ip20 connection screw terminal mounting 35 mm din rail reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25?, gnd benign 200 khours safety standards ul 1950, en 60950, iec 60950 safety class class 1 emi compliance compliance to en 55011, en 55022 (cispr22) class b ems immunity compliance electrostatic discharge (esd) en 6100-4-2, 4kv/8 kv rf field susceptibility en 6100-4-3, 3v/m fast transients/bursts on mains line en 6100-4-4, 2 kv surge en 6100-4-5, level 3, 1 kv/2 kv electrical speci cations speci cations typical @ +25?, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. new industrial supplies!! key features: 24w output power din rail mountable universal ac input narrow 0.886?case en 60950 approved 5, 12, & 24 vdc outputs meets en 55022 class b >200 kh mtbf low cost! low cost, 24w din rail mount single output ac/dc power supplies www.micropowerdirect.com micropower direct 292 page street suite d stoughton, ma 02072 usa t: (781) 344-8226 f: (781) 344-8481 e: sales@micropowerdirect.com w: www.micropowerdirect.com
model selection guide notes: all dimensions are typical in inches (mm) tolerance x.xx = 0.01 ( 0.25) model number rated power (w) input output overvoltage protection (vdc) ef ciency (%, typ) fuse rating slow-blow (a) voltage (vac) current (a) voltage (vdc) current (a) max) universal range 115 vac 230 vac mdr-24s-05 20 90 - 264 0.45 0.22 5 4.0 6.5 75 3.15 mdr-24s-12 24 90 - 264 0.45 0.22 12 2.0 20.0 85 3.15 mdr-24s-24 24 90 - 264 0.45 0.22 24 1.0 30.0 87 3.15 notes: 1. load regulation is speci ed for a load change of 20% to 100%. 2. overload protection is current limiting. the unit recovers automatically when the fault is removed. 3. over voltage protection is a shut down type. the unit recovers automatically when the fault is removed. 4. the mdr-24 meets class 1 safety require- ments with a proper pe connection. to insure compliance to en 60950, it must be possible to switch off the unit using suitable disconnection device external to the power supply. 5. it is recommended that a fuse be used on the input of a power supply for protection. for the mdr-24 series, a 250 vac 3.15a is recom- mended. connections pin function 1, 2 dc output (+v) 3, 4 dc output (-v) 5, 6 earth (pe) 7 ac/neutral (n-) 8 ac/line (l+) input connection the mdr-24 series may be connected to single or three-phase ac networks as shown. all wires should be 14-25 awg. for safety, all wires should be stripped approximately 7 mm. and any connections to the supply should only be made with the system power off. do not operate without a proper pe connection. mounting and air ow to allow proper ventilation, the mdr-24 series should be mounted so they are vertically orientated with approximately 2 inches (50 mm) of clearance above and below the unit. no minimum spacing is required between units. ventilation holes should not be covered and proper derating should be followed. installation/removal install to mount the unit to the din rail, tilt the unit rear- wards from the top, tting the mount over the top of the rail. press back on the bottom front of the unit until it locks in place on the rail. remove to remove the unit from the rail, pull the removal clip at the bottom rear of the unit downward with a screw driver. with the clip down, lift up on the unit from the bottom front until it clears the rail. before installation or re- moval all wiring should be disconnected and the main power to the system shut off. mechanical dimensions micropower direct we power your success - for less! 292 page street ste d stoughton, ma 02072 tel: (781) 344-8226 fax: (781) 344-8481 e-mail: sales@micropowerdirect.com www.micropowerdirect.com
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