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    225A DC Circuit Breaker, 1/2/3/4 Pole

    225 amp circuit breaker at cheap price for sale online. Total break time of smart circuit breaker is 20 ms. 1 pole, 2 pole, 3 pole and 4 pole can be selected. PV DC circuit breaker with extremely high breaking capacity and currentlimiting characteristics.
    SKU: ATO-DCCB-225A
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    The protection level of DC circuit breaker is IP20. Electrical circuit breaker is available for installation in standard busbars.


    • Extremely high breaking capacity and current limiting characteristics.
    • Available for installation in standard busbars.
    • Dual function terminals on top and bottom sides (lifting type / open type).
    • Optionally fixed to the bus bar on the top or bottom side.
    • With isolation function, can be used as the main switch.
    • Wiring terminal guidance to prevent mis-wiring.


    Electrical Parameter Model FXBN1/BM1-225A
    Current 225A
    Rated Voltage DC 250V, 500V, 750V, 1000V
    Current Shell Frame 250A
    Numbers of Pole 1 pole, 2 pole, 3 pole, 4 pole
    Breaking Capacity 25 KA
    Rated Insulation Voltage 1000V
    Rated Impulse Withstand Voltage 8 kV
    Total Break Time 20 ms
    Installation Location any location
    Allowable Ambient Temperature -25 ℃ ~ 50 ℃
    Protection Level IP20
    Avaliable with Accessories auxiliary, alarm, diverter, manual operation, elecrtic operation, mechanical interlock
    Flying Arc Distance ≥50 mm
    Instantaneous Action Valve 12 ln
    Installation Method fixed, insertion type
    Standard IEC60947-2x IEC60947-K GB14048.R GB14048.2
    Machinery Parameter Mounting Method IEC standard track 35 mm
    Enclosure Protection Level IP20
    Dual Function Terminals on Both Sides open type / lifting type
    Terminal Protection finger touch and hand touch safety
    Terminal Wiring Capacity 1-25 mm²
    Termianal Screw Tightening Torque 2-2.4 Nm
    Bus Bar Thickness 0.8-2 mm
    Mounting Angle functionaity is independent of location

    Dimension (Unit: mm)

    DC circuit breaker dimension

    Wiring Diagram:

    Wiring diagram DC circuit breaker


    225A DC Circuit Breaker Details

    Tips: Operating Conditions of DC Circuit Breaker

    • The installation site is not more than 2000m above sea level.
    • Ambient air temperature shall not be higher than +40℃ or lower than -5 ℃. And the 24 hour average value does not exceed +35 ℃.
    • A place in the air where there is no explosive hazardous medium and no gas or conductive dust sufficient to corrode metal and destroy insulation.
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