• Product Description：
  • When generator supply is over load, N phase will be different with the sharing load by 3 phases (load imbalance). Hence, the voltage from N phase to 3 phases (R.S.T.) will be altered. When the rated voltage of the traditional single input’s AVR is above 220V, it will increase the voltage drift rate by using N phase as the detective input. It will also cause the voltage imbalance. EA05A can improve the above situation, and increase the generator’s rated voltage usage space,such as 380V, 440V. We can all detect by the“phase voltage”.  
  • Please check the voltage/frequency selector setting is correct before start the generator.        
  •  

    • Wansgo

    5 Pack EA05A AVR Generator Automatic Voltage Regulator EA05A Controller New

    Product Description：

    When generator supply is over load, N phase will be different with the sharing load by 3 phases (load imbalance). Hence, the voltage from N phase to 3 phases (R.S.T.) will be altered. When the rated voltage of the traditional single input’s AVR is above 220V, it will increase the voltage drift rate by using N phase as the detective input. It will also cause the voltage imbalance.
    EA05A can improve the above situation, and increase the generator’s rated voltage usage space,such as 380V, 440V. We can all detect by the“phase voltage”.  

    Please check the voltage/frequency selector setting
    is correct before start the generator.        

     

    Specification： 

    Sensing Inpuuut
    Voltage 220 / 380 / 440 VAC, 1 phase2 wire
    DIP switch selectable
    Frequency 50 / 60 Hz, DIP switch selectable
    Power Input
    Voltage 100 ~ 300 VAC, 1 phase 2 wire
    Output
    Voltage Max. 90 VDC @ 240 VAC input
    Current Continuous 5A
    Intermittent 7A for 10 sec
    Resistance Min. 15 ohm Max. 100 ohm
    Voltage Regulation
    < ± 0.5% ( with 4% engine governing )
    Voltage Build-up
    Residual voltage at AVR terminal > 5 VAC
    Thermal Drift
    0.03% per °C change in AVR ambient
    External Volts Adjustmen
    ± 7% with 1K ohm 1 watt trimmer
    EMI Suppression
    Internal electromagnetic interference filtering
    Unit Power Dissipation
    Max. 8 watt
    Under Frequency Protection (Factory Setting)
    60 Hz system presets knee point at 55 Hz
    50 Hz system presets knee point at 45 Hz
    Soft Start Ramp Time
    3 sec.
    Dimensions
    120mm L * 86mm W * 56mm H
    Weight
    260g ± 2%                       

     

    Package Including：

    5 × Automatic Voltage Regulator Controller

     

    Notes：

    Due To Manual Measurement,Please Allow A Little Error And Make Sure You Do Not Mind Before Ordering.

    Monitors Are Not Calibrated Same, Item Color Displayed In Photos May Be Showing Slightly Different From The Real Object.Please Take The Real One As Standard.


    Item Specifics
    Country of Origin United States
    Brand MarddPair
    MPN MP394419L
    Type AVR
    Model EA05A
    Manufacturer Warranty 1 Year

    Payment

    *We support multiple payment methods.

    Shipping
    • *All parcels will be delivered by USPS or Fedex with tracking number.
    • *Note: Holidays and bad weather might cause parcel backlog and the delivery time might delay .
    • *If you don't receive your items ,We will investigate and solve the delivery problem. We have been doing our best to serve you and looking forward to being a best SELLER in your heart.

     

    Returns
    *30 Days easy returns satisfaction grantee.
    *Items to be returned must be in original factory condition.
    Contact Us
    *Before leaving us neutral or negative feedback, please contact us first.
    *We will do everything we can to give you a satisfying solution.
    *Please don't open case via eBay or PayPal.
    *We do our best to resolve any issue. Leaving negative feedback and low ratings doesn't get things solved.
    *So please talk with us and we will not let you down.

    Wansgo

    5 Pack EA05A AVR Generator Automatic Voltage Regulator EA05A Controller New
    Item Specifics
    Country of Origin :United States
    Brand :MarddPair
    MPN :MP394419L
    Type :AVR
    Model :EA05A
    Manufacturer Warranty :1 Year


    *We support multiple payment methods.

    • *All parcels will be delivered by USPS or Fedex with tracking number.
    • *Note: Holidays and bad weather might cause parcel backlog and the delivery time might delay .
    • *If you don't receive your items ,We will investigate and solve the delivery problem. We have been doing our best to serve you and looking forward to being a best SELLER in your heart.

     

    *30 Days easy returns satisfaction grantee.
    *Items to be returned must be in original factory condition.
    *Before leaving us neutral or negative feedback, please contact us first.
    *We will do everything we can to give you a satisfying solution.
    *Please don't open case via eBay or PayPal.
    *We do our best to resolve any issue. Leaving negative feedback and low ratings doesn't get things solved.
    *So please talk with us and we will not let you down.

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    On Apr 4, 2026 at 01:32:03 PDT, seller added the following information:

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