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WRM120A Series Dual Rack-mount Power Supply

WRM120A series AC-DC chassis power supply is a high-power DC power supply developed by W&H-GAMAY. It has a wide range of input as 85-135Vac, 176-264Vac, 12-240Vdc, multi-specification voltage output is optional.

Product introduction

Product Introduction

WRM120A series AC-DC chassis power supply is a high-power DC power supply developed by W&H-GAMAY. It has a wide range of input as 85-135Vac, 176-264Vac, 12-240Vdc, multi-specification voltage output is optional. The output power from 200W to 2400W; It has the characteristics of high reliability, high power density, high temperature resistance, high power factor and low ripple noise. It can widely meet the power supply needs of various electronic equipment systems, such as the communications, electric power, textiles, and ships, etc.

Main Features
    1. With a wide input voltage range: 85-135Vac/176-264Vac;
    2. With a wide temperature range: -40 ~ 85℃;
    3. High input power factor, reduce interference to the grid, energy saving and environmental protection;
    4. Output voltage from 0 to 240V continuous adjustable, multi-output, wide application;
    5. High stability, low output ripple;
    6. Current cutting off protection, strong adaptability to the impact of the load;
    7. Full protection, with input over/under voltage protection;
    8. Output over/under voltage, over current, short circuit and over temperature protection;
    9. 2500Vdc high isolation voltage, safe and reliable;
    10. Warranty: 3 years.

Model Designation

Product Parameter

Model

                              Items

WRM1200P-220D18018C

WRM1200P-220D11048C

WRM1200P-220D4805C

Input

Voltage Rang(VAC)

85-135/176-264

Frequency(Hz)

4763

Current (Typ)(Arms

14.7/7.4

Power Factor Typ

0.93

Output

voltageV

180.00

18.00

110

48

48

5

Current A

5.00

15.00

8.00

6.70

20.00

40.00

EfficiencyTyp

89%

82%

89%

85%

86%

82%

Voltage Tolerance

±1%

±3%

±3%

±3%

±3%

±3%

 Voltage Ripple & noisemVp-p

720

120

450

150

150

50

Load regulation

±1%

±1%

±3%

±3%

±3%

±3%

Start-up time mS

1000

Display Mode

digital display, three-way Independent display,voltage and current conversion display

Protection

Over Load

Over rated power105-150%

Switch off protection, restart after the load is normal.

Over Voltage

189207

18.924.3

115.5126.5

50.464.8

50.464.8

5.255.75

Turn-off output, restart to restore normal.

Over Heat

Turn-off output, after temperature recovery, restart to restore normal.

Working Environment

Working Temp.(℃)

-2560/-4060

Storage Temperature(℃)

-4085/-5585

Operating Humidity

1090%RH,No condensation

Others

Test Voltage

Input-output withstand 4KVAC, test time: 60s, Leakage current less than 5mA

Insulation Resistance

Input-output, insulation voltage 500VDC, Insulation resistance 100MΩ(25℃、Relative Humidity 95%

Overall Dimension

300x240x80mm

Weight

0.65Kg

Remarks

 

1. Ripple and noise measurement: Use twisted pair wire, connect 0.1uF and 47uF capacitors at the terminal, and measure under the condition of 20MHz oscilloscope bandwidth;

2. Voltage Accuracy: including setting error and load regulation; 

3. Standard configuration of structural size of plugs and wiring, its also can be customized.


Structure & Size
    1. Product Appearance


    


    2. Operation Display