MEAN WELL RD-125-1224 [3/4] R d 1 25

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ии I MEAN WELL R D 1 25 series 125W Dual Output Switching Power Supply Features Protections Short circuit Overload Over voltage Cooling by free air convection LED indicator for power on 100 full load burn in test All using 105 C long life electrolytic capacitors Withstand 300VAC surge input for 5 second High operating temperature up to 70 C Withstand 5G vibration test High efficiency long life and high reliability 3 years warranty c ûus д SPECIFICATION MODEL RD 125 2412 INPUT RD 125 4824 OUTPUT NUMBER CH1 CH2 CH1 CH2 CH1 CH2 DC VOLTAGE 24V 12V 48V 12V 48V 24V RATED CURRENT 3 7A 3 7A 2 3A 2 3A 2A 2A CURRENT RANGE Note 6 0 5 5A 1 7A 0 3 2 5A 1 7A 0 3 2 5A 0 5 4A RATED POWER OUTPUT RD 125 4812 CBC Note 6 133 2W 138W RIPPLE NOISE max Note 2200mVp p VOLTAGE ADJ RANGE 120mVp p CH1 22 8 26 4V 144W 240mVp p 120mVp p CH1 45 6 52 8V 240mVp p 240mVp p CH1 45 6 52 8V VOLTAGE TOLERANCE Note 3 2 0 10 2 0 10 1 0 8 0 LINE REGULATION Note 4 0 5 1 0 0 5 1 0 0 5 1 0 LOAD REGULATION Note 5 1 0 5 0 1 0 5 0 1 0 5 0 SETUP RISE TIME 500ms 20ms 230VAC 1200ms 30ms 115VAC at full load HOLD UP TIME Typ 25ms 230VAC VOLTAGE RANGE 88 132VAC 176 264VAC selected by switch 30ms 115VAC at full load FREQUENCY RANGE 47 63Hz EFFICIENCY Typ 85 AC CURRENT Typ 3A 115VAC INRUSH CURRENT Typ COLD START 40A 230VAC LEAKAGE CURRENT 2mA 240VAC 248 373VDC Withstand 300VAC surge for 5sec Without damage 86 86 2A 230VAC 110 150 rated output power OVERLOAD PROTECTION CH1 27 6 32 4V OVERVOLTAGE ENVIRONMENT EMC Note 7 WORKING TEMP 25 70 C Refer to output load derating curve 20 90 RH non condensing NOTE CH1 55 2 64 8V STORAGE TEMP HUMIDITY 40 85 C 10 95 RH 0 03 C 0 50 C on CH1 output VIBRATION 10 500Hz 5G 10min 1 cycle period for 60min each along X Y Zaxes SAFETY STANDARDS UL60950 1 TUV EN60950 1 approved WITHSTAND VOLTAGE l P O P 3KVAC l P FG 1 5KVAC O P FG 0 5KVAC ISOLATION RESISTANCE l P O P l P FG O P FG 100M Ohms 500VDC EMI CONDUCTION RADIATION Compliance to EN55022 CISPR22 Class B HARMONIC CURRENT OTHERS CH1 55 2 64 8V Protection type Hiccup mode recovers automatically after fault condition is removed WORKING HUMIDITY TEMP COEFFICIENT SAFETY Protection type Hiccup mode recovers automatically after fault condition is removed Compliance to EN61000 3 2 3 EMS IMMUNITY Compliance to EN61000 4 2 3 4 5 6 8 11 ENV50204 EN61000 6 2 EN50082 2 heavy industry level criteria A MTBF 232 4Khrs min MIL HDBK 217F 25 C DIMENSION 199 98 38mm L W H PACKING 0 7Kg 20pcs 15Kg 0 8CUFT 1 All parameters NOT specially mentioned are measured at 230VAC input rated load and 25 C of ambient temperature 2 Ripple noise are measured at 20MHz of bandwidth by using a 12 twisted pair wire terminated with a 0 1 uf 47uf parallel capacitor 3 Tolerance includes set up tolerance line regulation and load regulation 4 Line regulation is measured from low line to high line at rated load 5 Load regulation is measured from 20 to 100 rated load and other output at 60 rated load 6 Each output can work within current range But total output power can t exceed rated output power 7 The power supply is considered a component which will be installed into a final equipment The final equipment must be re confirmed that it still meets EMC directives 8 Length of set up time is measured at cold first start Turning ON OFF the power supply very quickly may lead to increase of the set up time File Name RD 125 SPEC 2007 12 25

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