DC Ground Power Unit

DC Ground Power Unit

ER-PS-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.

DC Ground Power Unit

DC Ground Power Unit

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    DC Ground Power Unit


    ER-PS-CW DC Ground Power Unit is specially 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, preflight 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 adjusted) or DC 270V (240-300V adjusted)

    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 diagnosis and alarm

    Display voltage, current, setting current limit

    Working condition

    Temperature: -20 to 50℃

    Humidity: 10-95%

    Noise: <65dB within 1 meter


    Reliability & Efficiency

    Mean time between failure (MTBF) 50,000H

    Mean time to restoration (MTTR) <30 min

    Overall efficiency: >85%


    ISO 6858



    1. What are the quotation methods?

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

    2. Are there any discounts?

    After we submit the sample price, if more quantity is needed, we will quote the bulk price.

    3. How long will it take to deliver the goods after placing the order?

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

    4. How to deal with the quality problems?

    After confirming that the product has quality problems, we will replace it for you free of charge in the shortest possible time.

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

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