DC Ground Power Unit

ER-CW Series Features:
1. Continuous high quality DC power;
2. Over voltage, overload and Internal Thermal, short circuit protection;
3. The power modules conform to EMC standards for noise emissions and immunity.

Product Details

DC Ground Power Unit


ER-CW DC Ground Power Unit is designed to give continuous high quality DC power. This continuous high power model is ideal for crew training, aircraft servicing in workshops, on the ramp or in the field, diagnostic work, pre flight checks, charging the on board battery or for continuous powering of equipment during operations, without draining the onboard aircraft batteries.

The safety features include over voltage, overload and Internal Thermal, short circuit protection. The power modules conform to EMC standards for noise emissions and immunity.


Output Rated Voltage: DC28.5V Or 270V DC

Output Rated Current For DC 28.5V type: 100A,200A,300A,400A,500A,600A,800A,1000A,2000A

Output Rated Current For DC270V type: 50A,100A,200A,300A,400A,500A


Capacity: 50A To 2000A

Input Voltage:

3 x127V/220V±15%,

3 x220V/380V±15% Or as per your specific requirement

Frequency: 50Hz/60Hz±5Hz

Power Factor: ≥0.85 (Standard Type)

Rectification: 6 pulse

Output Voltage: DC28.5V(10-35V adjust)

or DC 270V(240-300V adjust)

Current: 50A-2000A(select one individual current)

Voltage Regulation: ±1%

Voltage Ripple: 500mV or less than 1V

RS232/485 com port

Available options

Cables upon request

Overload 125% 600 sec, 150% 60S, 200% 10S


Input Over/under voltage

Output over voltage,current limit

Inner overheating,inverting over current

Self diagnose and alarm

Display Voltage, Current, setting current limit

Working condition

Temperature: -20 to 50℃

Humidity: 10-95%

Noise: < 65dB within 1 meter



Mean Time Between Failure(MTBF) 50,000H

Mean time to restoration(MTTR)< 30 min

Overall efficiency: >85%


ISO 6858



1. What is your quotation condition?

If you have DHL or Fedex account ,we can quote EXW price ,otherwise CIF or FOB price.

2.Do you have any discount when procurement? 

We will quote sample price at first and we will quote volume price if you need more quantity.

3.How long is the delivery time?

For sensors,parts,modules : in stock-one week;no stock-2-4weeks; For systems,generally ,8-12 weeks.

4.How to deal with the quality problems?

If confirmation of product quality problem we can replace it freely for customer in the shortest period.

If interested in DC Ground Power Unit, pls contact us : info@ericcointernational.com


You Might Also Like