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    DZ47-B63 Miniature Circuit Breaker(type B MCB), dedicated to the electric motorcycle, and mainly used for over-load and short-circuit protection in DC circuits with rated voltage of 12V-64V for single-pole and rated current of 63A. In normal condition, it can switch infrequently the electric equipments and lighting circuits. This DZ47-B63 type B Circuit Breaker complies with the standards of GB10963.1 and IEC60898-1.

    Model and meaning

    The main parameters and technical performance

    Main Specifications of DZ47-B63 type B Circuit Breaker:
    According to the rated current: 1A, 2A, 3A, 4A, 5A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A.
    Rated working voltage: 48V, 64V, 72V
    According to the poles (POLE): 1P. Single-pole
    According to the form of circuit breaker instantaneous release: Type B Circuit Breaker (3ln ~ 5ln)
    Mechanical electrical life: a. Electrical life: not less than 4000 times; b. Mechanical life: not less than 10000 times.

    No. Rated current In(A) Initial state Test current Set time Prosrective result Remark
    a 1~63 Cold 1.13In t<1h Non tripping
    b 1~63 Then after Test A 1.13In t<1h Tripping The current rise steadily to
    a fixed value within 5S
    c 1~32 Cold 2.55In 1s < t < 60s Tripping
    40~63 Cold 2.55In 1s < t < 60s Tripping
    d 1~63 Cold 3In t≤0.1s Non tripping

    Type B MCB

    e 1~63 Cold 5In t≤0.1s Tripping

    Type B MCB

    Wiring: 25mm² and below for wire connection, wiring method is screws to tighten the wiring, the torque is 2.0N · m

    Rated current In(A) Copper conductor nominal cross-sectional area(mm²)
    1~6 1
    10 1.5
    16~20 2.5
    25 4
    32 6
    40~50 10
    63 16

    Outline and installation dimensions of DZ47-B63 type B Circuit Breaker



    Keywords: type b Circuit Breaker,type b MCB

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