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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  • Available Now!
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    Available Now!

    Doepke

    3D60UL

    Limited Stock Savings: 1 unit available at this price

    Circuit Breaker, 3-Pole, D-Curve, 60 Amp, UL48910kA, Branch Circuit Protection, 240VAC

  • Available Now!
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    Available Now!

    Doepke

    2D20UL

    Circuit Breaker, 2-Pole, D-Curve, 20 Amp, UL489, 10kA, Branch Circuit Protection, Molded Case

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    Available Now!

    Doepke

    2D15UL

    This is the Recommended Replacement for 2DU15L | Limited Stock Savings: 2 units available at this price

    Circuit Breaker, 2-Pole, D-Curve, 15 Amp, UL489, 10kA, Branch Circuit Protection, Molded Case

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    Available Now!

    Doepke

    3D50UL

    Replaced 3DU50L

    MCCB, UL489, 3-Pole, D-Curve, 50 Amp, 10kA, 240VAC, 50/60Hz, 10kA Short Circuit Interrupting Capacity Protection, DIN Rail Mounting, 17.5mm Width, Thermal Magnetic, Miniature Molded Case Circuit Breaker, IP20

  • Available Now!
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    Available Now!

    Doepke

    2C30UL

    Limited Stock Savings: 1 unit available at this price

    Circuit Breaker, 2-Pole, C-Curve, 30 Amp, UL489480Y/277VAC

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    Available Now!

    Doepke

    1D4UR

    Limited Stock Savings: 1 unit available at this price

    Circuit Breaker, 1-Pole, D-Curve, 4 Amp, UL1077, 277VAC, 10kA, Supplementary Protection

  • Available Now!
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    Available Now!

    Doepke

    3D60UR

    Limited Stock Savings: 1 unit available at this price

    Circuit Breaker, 3-Pole, D-Curve, 60 Amp, UL1077, 480Y/277VAC, 10kA, Supplementary Protection

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