3LED digital display, Built-in EMI filte Adjustable DC switching power supply in constant voltage and constant current operation

Specifications

This serial single output switch power supply is a kind of DC regulated power supply with high efficiency and stability. It can be acted both as constant voltage as well as constant current dc power supply. For this serial power supply, it has perfect protection circuit, can be used in many areas.

applications:

1.       Charge batteries, PCB board manufacturing industry

2.       LED products, motors and dc fans test,

3.       Electrofacing, electrolyzation, electronic components ageing

4.       Laboratory , Electronic equipment , Automatic Test Equipment 

5.       All other occasions need to use DC Power Supply

protection function:

1.       Over voltage protection

2.       over load protection

3.       over temperature protection(threshold value:70⁰C -75⁰C)

4.       current limitation protection

features:

1.       single phase, single output dc power supply

2.       constant voltage and constant current operation (C.C and C.V. automatic conversion)

3.       both current and voltage can be adjusted from 0 to rated value

4.       3LED digital display

5.       Built-in EMI filter.(have anti-interference circuit)

6.       intelligent temperature control fan to help power supply cooling fast

specifications:

Model No: LW3050KD

Input voltage: single-phase 220V±10% 50Hz or 110V±10% 60Hz

Working conditions: -10⁰C -40⁰C relative humidity :< 90%

Storage conditions: -20⁰C-80⁰C relative humidity :< 80%

Output voltage: 0-30V

Output current: 0-50A

Display Accuracy: ±1%±1 digit

Voltage stabilization: ≤0.2%

Current stabilization: ≤0.5%

Load stabilization: ≤0.3%

Ripples and noises: ≤1 %( RMS)

Surge Current: 30A/115V, 60A/230V (cold-start)

Input Leakage Current: <0.7mA/230V

Withstanding voltage test:

From input voltage to output voltage: 1.5KVAC/min

From input voltage to case: 1.5KVAC/min

From output voltage to case: 500VAC/min