Switching power supply,Temperature and humidity controller,Indoor high-voltage charged display,Electronic power module,Wall switch-Yueqing Leyu Electric Automation Co Ltd
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Universal AC input/ full range
Protections: Short circuit/ Over load/ Over voltage/ Over temperature
Cooling by free air convection
Can be installed on DIN rail TS-35/7.5 or 15
LED indicator for power on
100% full load burn-in test
Fixed switching frequency at 50KHz
3 years warranty
Dimensions: 55.5*125.2*100mm (W*H*D)

Voltage Range 85~264 VACselected by switch 47~63 Hz;120~370VDC
AC Current 1.6 A/115 V 0.96A/ 230 V
Efficiency 76%(HDR-75-12); 80%(HDR-75-24); 81%(HDR-75-48)
Inrush Current Cold start 20A/115V 40A/230V
Leakage Current <1mA/240VAC
Over Load 105%~150%
Protection type: Constant current limiting, recovers automatically after fault condition is removed
Over Voltage 120%~140%
Protection type: Hiccup mode, recovers automatically after fault condition is removed
OVER TEMP. TSW1≥85℃±5℃时,
Protection type: Shut down o/p voltage, recovers automatically after temperature goes down
Working Temp., Humidity 10℃~+60℃;20%~90 %RH
Storage Temp., Humidity -20℃~+85℃;10%~95 %RH
Vibration 10~500Hz,2G 10min./1cycle, period for 60min, each along X, Y, Z axes
Withstand Voltage I/P-O/P: 3KVACI/P-FG: 1.5KVACO/P-FG: 0.5KVAC
Isolation Resistance I/P-O/P, I/P-FG, O/P-FG: 100M Ohms / 500VDC
Safety Standard Design refer to UL508,TUV EN60950-1
EMC Standard EN55011,EN55022,EN61000-3-2,-3,EN61000-4-2,3,4,5,6,8,11,ENV50204,EN55024,EN61000-6-2
Weight 0.6Kg
Packing 20pcs/13Kg/1.1CUFT
NOTE 1.All parameters NOT specially mentioned are measured at 230VAC input, rated 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 0.1μ & 47μ
parallel capacitor.
3.Tolerance: includes set up tolerance, line regulation and load regulation.
4.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.
Model DR-75-12 DR-75-24 DR-75-48
DC Voltage 12V 24V 48V
Voltage Tolerance ±2% ±1% ±1%
Rated Current 6.3A 3.2A 1.6A
Current Range 0-6.3A 0-3.2A 0-1.6A
Rated Power 76W 76.8W 76.8W
Ripple & Noise 100mVp-p 150mVp-p 240mVp-p
DC Adjustment Range 17% 17% 10%
Setup, Rise Time 1000ms,60ms/230VAC at full load1750ms,60ms/115VACat full load
Hold Time 60ms/230VAC12ms/115VAC at full load

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Yueqing Leyu Electric Automation co.,Ltd .    ADD:Huarong Road, liushi Town, Yueqing City, Zhejiang, China
TEL: 86-577-62980983 62998958     Mobile:86-13757759294    FAX: 86-577-62981651