(0) Shopping cart
You have no items in your shopping cart.
Shopping Categories

    63A DC Circuit Breaker, 1/2/3/4 Pole

    5 out of 5 based on 1 reviews | Write a review
    High quality and reasonable price 63A DC circuit breaker for sale online. 250V, 500V, 750V, 1000V rated working voltage can be chosen. Rated insulation voltage of smart circuit breaker is 1000V. DC solar circuit breaker is commonly used in power transfer switch, overload protection device and control appliance.
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    DC circuit breaker is available for installation in standard busbars. It is generally used for transformers with strict voltage requirements and frequent shifting.


    • 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/BM1-63A
    Current 63 A
    Rated Voltage DC 250V, 500V, 750V, 1000V
    Current Shell Frame 125A
    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


    63A DC Circuit Breaker Details

    Tips: What is DC Circuit Breaker?

    DC circuit breakers refer to circuit breakers used in DC power distribution systems. Generally applicable to solar photovoltaic power generation and power distribution systems, battery energy storage systems, new energy vehicle DC charging systems, etc. General DC circuit breakers include DC MCB (miniature circuit breaker), DC MCCB (DC molded case circuit breaker).

    Existing reviews of 63A DC Circuit Breaker, 1/2/3/4 Pole
    Reliable DC circuit breaker
    I have had 3 DC circuit breaker. These remain a trusted breaker because of how easy they are to install and how durable they are. In all the years they've been around, we've never replaced a single one that we previously installed.
    From: Barrel | Date: 12/12/2022
    Was this review helpful? Yes No (0/0)
    Load more reviews...
    Write your review for 63A DC Circuit Breaker, 1/2/3/4 Pole
    • Only registered users can write reviews
    • Bad
    • Excellent