Circuit Breakers

644 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    644 products
    ED43B020L - Siemens - Molded Case Circuit Breaker
    ED43B020L - Siemens - Molded Case Circuit Breaker
    ED43B020L - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    BQC215220 - Eaton - Quad Circuit Breaker
    BQC215220 - Eaton - Quad Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    FDC3020 - Eaton - MoldedCase Circuit Breakers
    FDC3020 - Eaton - MoldedCase Circuit Breakers
    Eaton Cutler-Hammer
    Save $220
    THQL21WY20 - GE - Circuit Breaker
    GE
    Sale
    EGB1020FFB - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    EGB1020FFB - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $173.01
    UBIZ2020 - Zinsco 20 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIZ2020 - Zinsco 20 Amp Twin Molded Case Circuit Breaker
    Zinsco
    A220NI - Wadsworth 20 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    A220NI - Wadsworth 20 Amp Molded Case Circuit Breaker
    Wadsworth
    Sale
    QHB220 - Square D 20 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QHB220 - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $201.01
    Limited availability
    GHQ1020S - Eaton Cutler-Hammer 20 Amp 1 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    GHQ1020S - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $551.48
    Limited availability
    CHF220ST - Eaton Cutler-Hammer 20 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    CHF220ST - Eaton - 20 Amp Shunt Trip Circuit Breaker
    Eaton Cutler-Hammer
    Save $454.42
    Sale
    QOB320EPD - Square D - 20 Amp 30 mA Ground Fault (GFCI) Breaker
    Schneider Electric
    Save $708.01
    EDB16020 - Square D 20 Amp 1 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB16020 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Sale
    EHD1020L - Eaton - Molded Case Circuit Breaker
    EHD1020L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $159.15
    QBAF1020 - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Bolt-On Circuit Breaker
    QBAF1020 - Eaton - 20 Amp AFCI Circuit Breaker
    Eaton Cutler-Hammer
    Limited availability
    BQ2B02000S01 - Siemens 20 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    BQ2B02000S01 - Siemens - 20 Amp Shunt Trip Circuit Breaker
    Siemens / ITE
    Save $274.01
    NEB1B020B - Siemens - Molded Case Circuit Breaker
    NEB1B020B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Sale
    BRN220EP - Eaton Cutler-Hammer 20 Amp Ground Fault Equipment Protection Circuit Breaker
    BRN220EP - Eaton - 30 mA GFEP Circuit Breaker
    Eaton Cutler-Hammer
    Save $750.01
    Sale
    THQL1120DFS - GE - 20 Amp Dual Function Circuit Breaker
    GE
    Save $21
    Sale
    HHED63B020 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $1,639.01
    CQD320 - Siemens - Molded Case Circuit Breaker
    CQD320 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Sale
    FH16020C - Square D 20 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    FH16020C - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $468.41
    Sale
    FH16020B - Square D 20 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    FH16020B - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $468.41
    Sale
    TED134020 - GE - Molded Case Circuit Breaker
    GE
    Save $536.01
    ED41B020 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Sale
    THQC32020 - GE - Molded Case Circuit Breaker
    THQC32020 - GE - Molded Case Circuit Breaker
    GE
    Save $190.01
    Sale
    TEB132020 - GE 20 Amp 3 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug
    TEB132020 - GE - Molded Case Circuit Breaker
    GE
    Save $470.01
    Sale
    HGHB1020 - Eaton Cutler-Hammer 20 Amp 1 Pole 277 Volt Feed Thru Molded Case Circuit Breaker
    HGHB1020 - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $177.10
    Sale
    B120H00S01 - Siemens 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    B120H00S01 - Siemens - 20 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $336.01
    Sale
    THHQB2120GFT - GE - 22 kA GFCI Circuit Breaker
    GE
    Save $370.01
    QHB120 - Square D - 20 Amp Molded Case Circuit Breaker
    QHB120 - Square D - 65kA Circuit Breaker
    Schneider Electric
    Sale
    QO120AF - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $194.01
    QO320SWN - Square D 20 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QO320SWN - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    EGS1020FFB - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    EGS1020FFB - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $196.01
    Sale
    QBHW1020S - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QBHW1020S - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $312.01
    Limited availability
    BR120ST - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Molded Case Circuit Breaker
    BR120ST - Eaton - 20 Amp Shunt Trip Circuit Breaker
    Eaton Cutler-Hammer
    Save $256.28
    Sale
    GD2020 - Eaton - Molded Case Circuit Breaker
    GD2020 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $421.76
    Sale
    HGA260202 - Square D 20 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HGA260202 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $815.01
    QG320 - Siemens 20 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    QG320 - Siemens - 20 Amp Molded Case Circuit Breaker
    Siemens / ITE
    HGB1B020B - Siemens 20 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    HGB1B020B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Limited availability
    B220HID - Siemens - Molded Case Circuit Breaker
    B220HID - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
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