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Location:Home > Products > Distribution Electrical > Mini Circuit Breaker / MCB > DZ47-125B Circuit Breaker

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Circuit Breaker
DC12V/DC24V/DC36V/DC48V DC60V/DC72V/DC96V/DC110V DC12-120V 80A/100A/125A 1P/2P/1P-1P/2P-2P
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    Product Introduction

    DZ47-125 (B) DC circuit breaker, specially used for electric vehicles, motorcycles, lighting circuits, switching power supplies, UPS power supplies, security monitoring circuits and other places, unipolar rated voltage DC 12V-120V, rated current up to 63A It has overload and short-circuit protection in the line, and can also be used for infrequent on-off electrical devices under normal conditions.

    This product complies with GB10963.2 and IEC60947-2 standards.


    Model Meaning


    Technical Parameters

    • Protections:

    Short circuit protection

    Overload protection 

    (overcurrent protection)

    Isolation function

    Auxiliary control function


    • Rated current In: 80A, 100A, 125A, 150A
    • Rated working voltage U: DC12~120V, DC12V/DC24V/
    • DC36V/DC48V/DC60V/DC72V/DC96V/DC110V etc;
    • Rated short-circuit breaking capacity Icn: 6kA;
    • Rated impulse withstand voltage Uimp (1.2/50): 6KV;
    • Number of poles: 1P single pole, 2P double pole;
    • Trip form: thermal magnetic trip;
    • Tripping characteristics: B type (3ln~5ln);
    • Current limiting level: 3;
    • Ambient working temperature: -30°C~70°C;
    • IP grade: Ip20;
    • Pollution level: 2;
    • Installation method: 
    • Installation: where there is no significant vibration and shock, tunnel wiringTerminal, can be easily installed on TH35-7.5 type DIN standard rail;
    • Installation torque: 80~125A: 3.5N;
    • Mechanical and electrical life:
    • a. Electrical life: not less than 8000 times;
    • b. Mechanical life: not less than 10,000 times;
    • Compliant with the standard: GB10963.2/IEC60947-2;
    • Compliance certification: CCC, CE;
    • Application place:
    • It is used in DC power power system, electric propulsion system, photovoltaic power system (photovoltaic combiner box) and other places.



    1. DZ47-125B Datasheet

    PDF file (click to view)

    2. Wiring introduction

    PDF file (click to view)
    Video (click to view)