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Circuit Breakers

A circuit breaker will interrupt the flow of current in an electrical circuit, safeguarding surrounding electrical components and wiring by preventing circuit overloads and short circuits.

a.k.a. MCB, MCCB, molded case breaker, supplementary protection, UL1077, UL489, UL508, MMP, manual motor protector

 

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  • weg_umbw_489_3pole_13__74449.jpg

    Weg

    UMBW-4C3-15

    MCB, UL489, 3-Pole, C-Curve, 15 Amp (15A), 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series, Recommended Replacement for UMBW-4B3-15 (14361333), UMBW-4B3-16 (14361335) and UMBW-4C3-16 (13641892)

  • Available Now!
    weg_umbw_489_3pole_30__84632.jpg
    Available Now!

    Weg

    UMBW-4D3-10

    MCB, UL489, 3-Pole, D-Curve, 10 Amp, 277/480Y VAC, 125VDC, 10kA, Thermal-Magnetic Miniature Circuit Breaker, IP20, UMBW Series

  • Available Now!
    lsis-bk63h-3p-489__96636.jpg
    Available Now!

    LS Electric

    0628047263

    MCB, UL489, 3-Pole, D-Curve, 15 Amp, 10kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker, (Suggested Replacement for 0628046263, BK63HU 3P D15A 10kA 240VAC UL489)

A circuit breaker will interrupt the flow of current in an electrical circuit, safeguarding surrounding electrical components and wiring by preventing circuit overloads and short circuits.

a.k.a. MCB, MCCB, molded case breaker, supplementary protection, UL1077, UL489, UL508, MMP, manual motor protector