Industrial Control Product

  • CDKU-S Series Ultra-thin switching power supply
  • CDKU-S Series Ultra-thin switching power supply

CDKU-S Series Ultra-thin switching power supply

CDKU-S series is a single output, ultra-thin high-efficiency low-power switching power supply. It adopts international full range AC input and ultra-thin appearance design, and can continuously output 5V, 12V, 15V, 24V, 36V, 48Varbitrary DC, and can provide AC/DC power solution for a variety of industrial applications.


  • 30mm Ultra-thin design, easy installation and light weight;
  • 90~264VAC full range of AC input, high efficiency, and small output ripple;
  • Low power design, low thermal consumption, and no-load power consumption as low as 0.2-1.0W.
  • High-frequency PWM control technology, fast response;
  • High-power MOS tube drive, stable and reliable operation, strong overload capability; All products pass the 100% full load aging test;
  • Complete protection: with protection against overvoltage, overload, overheat, short circuit.

Standards:GB 4943.1

Selection guide:

CDKU-S Product typeRated powerOutput voltage (See the below table)
Ultra-thin switching
power supply
35: 35W
50: 50W
350: 350W
05: 05V
12: 12V

Remarks:CDKU-S35W/12Vultra-thin low power consumption switching power supply,code:CDKUS3512; Can be directly interchanged with LRS series switching power supply;

TypeInputDC Output power(A)Function

Note 1: 85-132/170-264VAC selection method: F: full range; S: switch selection.

Note 2: Function A: Overload (overcurrent) short circuit protection; B: Output over voltage protection; C: Over temperature protection; K: Output LED display.

Main technical parameters and performance:

ItemTechnical Parameters
Rated frequency35W50W75W100W150W200W350W
Input voltage(AC)100~264V (Actual input voltage range: 90-264V)85~132V/176-264V
(switch selection)
Input frequency (AC)47~63 Hz
Output stability≤1%
Load adjustment rate≤1% Typical value
Output voltage trimming range±10%(Rated output voltage)
Ripple and noise≤1% Peak (100mVp-p Typical value)
Overvoltage protection110%~140% (Protection mode:turn off the output voltage, automatically recover after abnormal elimination)
Overload protection110~150%(Protection mode:hiccup mode,automatic recovery after abnormal elimination)
Temperature protection100±5℃
Number of output circuitsSingle output
Cooling methodNatural air cooling (below 200W)
Working environmentOperating temperature-30C +70C  Relative humidity 20%-90%RH
Dimensions mm99x82x3099x97x30129x97x30159x97x30215x115x30
Installation sizeF1F2F3F4F5F6
Weight kg0.
Safety andelectromagnetic
Installation specificationUL60950-1,TUV EN60950-1, EN60335-1,EN61558-1-2-16,CCC GB4943.1,BSMICNS14336-1,EAC TP TC 004,AS/NZS 60950.1(by CB)
Withstand voltageInput to output: 4kVAC, Input to ground: 2kVAV, Output to ground 1.25kAC/1min
Insulation resistanceInput to output, Input to ground, Output to ground/500VDC/25℃/170%RH
compatibility emission
EN55032 (CISPR32) Class B,EN55014, EN61000-3-2,-3,GB/T9254,BSM CNS13438,EACTPTC 020
compatibility immunity
EN61000-4-2,3,4,5,6,8,11,EN61000-6-2(EN50082-2),Class A heavy industry standard,EAC TP TC 020
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