specification drh-120-24 model dc voltage rated current current range rated power output voltage adj. range line regulation load regulation setup, rise, hold up time voltage range frequency range efficiency (typ.) input inrush current (max.) leakage current over temperature safety standards ems immunity working temp. working humidity storage temp., humidity temp. coefficient vibration mtbf dimension others note packing overload over voltage ac current 24v 5a 0 ~ 5a 120w 80mvp-p 24 ~ 28v 1.0% 0.5% 0.5% 1700ms, 120ms, 16ms/400vac 1000ms, 120ms, 30ms/500vac at full load 340 ~ 550vac 480 ~ 780vdc 47 ~ 63hz 85% 86% 0.65a/400vac 0.6a/500vac cold start 50a <3.5ma / 530vac 105 ~ 160% rated output power 30 ~ 36v protection type : constant current limiting, recovers automatically after fault con dition is removed protection type : shut down o/p voltage, re-power on to recover 85 5 (tsw) detect on heatsink of power switch protection type : shut down o/p voltage, recovers automatically after t emperature goes down ul60950-1 approved, iec60950-1 cb approved by siq compliance to en55011 (cispr11), en55022 (cispr22), en61204-3 cla ss b compliance to en61000-4-2,3,4,5,6,8,11, env50204, en61204-3, en61000-6-2 (en50082-2), heavy industry level, criteria a -20 ~ +60 (refer to output load derating curve) 20 ~ 90% rh non-condensing -40 ~ +85 , 10 ~ 95% rh 0.03%/ (0 ~ 50 component: compliance to iec60068-2-6 10 ~ 500hz, 2g 10min./1cycle, 60min. each along x, y, z axes; mounting clip: 178.7khrs min. mil-hdbk-217f (25 ) 65.5*125.2*100mm (w*h*d) 0.75kg; 20pcs/16kg/1.29cuft file name:drh-120-spec 2009-04-27 drh-120-48 48v 2.5a 0 ~2.5a 120w 80mvp-p 48 ~ 55v 1.0% 0.5% 0.5% 59 ~ 66v 120w single output industrial din rail power supply protections: short circuit / overload / over voltage / over temperaturecooling by free air convection built-in constant current limiting circuit can be installed on din rail ts-35/7.5 or 15 en61000-6-2(en50082-2) industrial immunity level 100% full load burn-in test fixed switching frequency at 70khz 3 years warranty features : d r h - 1 2 0 s e r i e s ripple & noise (max.) note.2 voltage tolerance note.3 environment safety & emc (note 4) protection emi conduction & radiation 1. all parameters not specially mentioned are measured at 400vac input, r ated load and 25 of ambient temperature. 2. ripple & noise are measured at 20mhz of bandwidth by using a 12" twisted pair- wire terminated with a 0.1uf & 47uf parallel capacitor. 3. tolerance : includes set up tolerance, line regulation and load regula tion. 4. the power supply is considered a component which will be installed into a fi nal equipment. the final equipment must be re-confirmed that it still me ets emc directives. withstand voltage isolation resistance i/p-o/p:3kvac i/p-fg:1.5kvac o/p-fg:0.5kvac i/p-o/p, i/p-fg, o/p-fg:100m ohms / 500vdc / 25 / 70% rh
mechanical specification derating curve file name:drh-120-spec 2009-04-27 case no.921a unit:mm ambient temperature ( ) load (%) -20 0 10 20 30 40 50 60 70 (vertical) 20 40 50 60 80 100 terminal pin no. assignment (tb1) terminal pin no. assignment (tb2) pin no. pin no. 1 1,2 2 3,4 3 assignment assignment fg ac/l1 ac/l2 dc output +v dc output -v admissible din-rail: ts35/7.5 or ts35/15 35 2 13 tb2 tb1 4 2 13 led +v adj. 125.2 65.5 100 block diagram fosc : 70khz o.v.p. control fg i/p -v +v rectifiers & filter switching power filter & rectifiers filter emi o.l.p. detection circuit pwm o.t.p. current limit 120w single output industrial din rail power supply d r h - 1 2 0 s e r i e s
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