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PLP-20 Series - 20W Single Output PFC Open Frame LED Power Supply



PLP-20 Series are a range of single output open frame led lighting power supplies with single stage power factor correction and wide range 90~277VAC input voltage. The output current level can be fine tuned, through the potential-meter, between 75~100% of rated value increasing the flexibility of system design. Other standard features include short circuit, over load, over voltage and over temperature protections.

Additional information



IP rating


  • Constant current and constant voltage mode power supply
  • Wide range universal AC input
  • Built in constant current limiting circuit with adjustable OCP level
  • Short circuit, over load, over voltage, over temperature protections
  • Built-in PFC (single stage)
  • Cooling by free air convection
  • 100% full load burn-in test
  • Suitable for LED lighting and moving sign applications
  • LED lighting
  • Moving sign applications
Input Voltage Range90 ~ 277Vac
Input Frequency47 ~ 63Hz
Power Factor CorrectionPF>0.9/230VAC
Input Current0.4A/115Vac 0.2A/230Vac
Inrush Current40A/230Vac
Leakage Current0.5mA/ 240Vac
Output Current Adj. Range75% ~ 100%
Line Regulation±3.0%
Load Regulation±10%
Set Up, Rise Time2300ms, 200ms / 230VAC 3000ms, 200ms / 115VAC at full load
Over Current Protection95 ~ 110%
Hiccup current limiting, recovers automatically after fault condition is removed
Short Circuit ProtectionHiccup mode, recovers automatically after fault condition is removed
Over Voltage ProtectionShut off o/p voltage, clamping by zener diode
Over Temperature Protection110°C ±10°C (TSW1)
Shut down o/p voltage, recovers automatically after temperature goes down
Working Temperature-30°C ~ +60°C (Refer to output load derating curve)
Working Humidity20 ~ 90% RH non-condensing
Storage Temperature, Humidity-40°C ~ +80°C, 10 ~ 95% RH
Temperature Coefficient±0.06%/°C (0 ~ 50°C)
Vibration10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
Withstand VoltageI/P-O/P:3KVAC
Isolation ResitanceI/P-O/P:100M Ohms/500VDC 25°C 70%RH
Safety StandardsTUV EN61347-1, EN61347-2-13 approved
EMCCompliance to EN55015, EN61000-3-2 Class C(=75% load), EN61000-3-3
EN61000-4-2,3,4,5,6,8,11;EN61547, light industry level, criteria A
MTBF643.6Khrs min. MIL-HDBK-217F (25°C)
Dimensions140 x 32 x 22mm
  • CE
  • PFC
  • TUV