Circuit Breakers

(a.k.a. mini breakers, MCB, MCCB, molded case breaker, supplementary protection)

The basics: a circuit breaker is a device that will interrupt the flow of current in an electrical circuit. This protects the surrounding electrical components and wiring from damage by electrical overloads or short circuits.
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  1. MCB, 1P, 277/60 VAC/DC, C Curve, 2A, UL 489
    MCB, 1-Pole, 277/60 VAC/DC, C-Curve, 2A, UL489, 10 UMBW-4C1-2
    13634259, This is the Recommended Replacement for UMBW-4B1-2 (14360177)
    $19.61
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