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    160A DC Circuit Breaker, 1/2/3/4 Pole

    160A DC circuit breaker at affordable price for sale online. 250V, 500V, 750V, 1000V rated working voltage can be chosen. Smart circuit breaker has overload long delay protection and short-circuit instantaneous protection functions. Working temperature of PV DC circuit breaker between -25 ℃ and 50 ℃.
    SKU: ATO-DCCB-160A
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    DC circuit breaker has overload long delay protection and short-circuit instantaneous protection functions, which areused to distribute electrical energy and protect lines and power supply equipment from overload, short-circuit and other faults.


    • 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/BM1-160A
    Current 160A
    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)

    160A to 250A DC circuit breaker dimension

    Note: If you need copper busbar parts, please contact us.

    Wiring Diagram

    Wiring diagram DC circuit breaker


    160A DC Circuit Breaker Details

    Tips: DC Circuit Breaker in Photovoltaic System

    Photovoltaic systems have the potential to be a potent renewable energy mechanism. You can use one or more solar panels. In addition, you can use an inverter and other electrical and mechanical components to combine them. On the other hand, you must preserve the same systems and maintain them at all costs. The tiniest mishap in any function might quickly escalate into a significant issue for the entire setup.

    As a result, DC circuit breakers are essential components of a photovoltaic system. It will cover the complete procedure of its operation, wiring, and safety precautions in detail below.

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