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 switch frequency at 55KHz
3 years warranty
Dimensions: 65.5*125.2*100mm (W*H*D)

Voltage Range 88~132 VAC/176~264VAC47~63 Hz;selected by 248~370VDC
AC Current 2.6 A/115 V 1.6A/ 230 V
Efficiency 80%(HDR-120-12); 84%(HDR-120-24); 85%(HDR-120-48)
Inrush Current Cold start 20A/115V 40A/230V
Leakage Current <3.5mA/240VAC
Over Load 105%~150%
Protection type: Constant current limiting, recovers automatically after fault condition is removed
Over Voltage 120%~135%
Protection type: Shut down o/p voltage, re-power on to recover
OVER TEMP. 85℃±5℃(TSW1) (HDR-120-12); 90℃±5℃(TSW1)(HDR-120-24); 90℃±5℃(TSW1)(HDR-120-48)
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,UL60950-1,TUV EN60950-1
EMC Standard Design refer to EN55011,EN55022,EN61000-3-2,-3,EN61000-4-2,3,4,5,6,8,11,ENV50204,EN55024,EN61000-6-2(EN50082-2)
Weight 0.79Kg
Packing 20pcs/16.5Kg/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-120-12 DR-120-24 DR-120-48
DC Voltage 12V 24V 48V
Voltage Tolerance ±2% ±1% ±1%
Rated Current 10A 5A 2.5A
Current Range 0-10A 0-10A 0-2.5A
Rated Power 120W 120W 120W
Ripple & Noise 80mVp-p 80mVp-p 100mVp-p
DC Adjustment Range 12-14V 24-28V 48-53V
Setup, Rise Time 500ms,70ms/230VAC at full load500ms,70ms/115VACat full load
Hold Time 36ms/230VAC32ms/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