3 Pole Breakers

4551 products

    Save on 3 pole, 3 phase circuit breakers. Free shipping on orders over $49. Easy returns. 1 year warranty.
    4551 products
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    LH36300 - Square D 300 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LH36300 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $5,928.01
    Sale
    LH36350 - Square D 350 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LH36350 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $6,166.01
    Sale
    LH36400 - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LH36400 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $6,003.01
    Sale
    LHL36350 - Square D 350 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LHL36350 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $6,234.01
    Sale
    LJL36600U33X - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $6,993.01
    Sale
    LLA36600U31X - Square D 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LLA36600U31X - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $6,972.01
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    MGL36450 - Square D 450 Amp 3 Pole 600 Volt Solid State Molded Case Circuit Breaker
    MGL36450 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $4,124.01
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    MJA36300 - Square D 300 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    MJA36300 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $5,763.01
    Sale
    MJL36700 - Square D 700 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    MJL36700 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $6,739.01
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    PGL36100 - Square D 1000 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    PGL36100 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $11,789.01
    Sale
    PGL36120 - Square D 1200 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    PGL36120 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $11,909.01
    Sale
    QOU345 - Square D 45 Amp 3 Pole 240 Volt Miniature Circuit Breaker
    QOU345 - Square D - 45 Amp Circuit Breaker
    Schneider Electric
    Save $145.74
    Limited availability
    BR355 - Eaton Cutler-Hammer 55 Amp 3 Pole 240 Volt Plug-In Circuit Breaker
    BR355 - Eaton - 55 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    CHB3090 - Eaton Cutler-Hammer 90 Amp 3 Pole 240 Volt Circuit Breaker
    CHB3090 - Eaton - 90 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Save $77
    Sale
    CHB315 - Eaton Cutler-Hammer 15 Amp 3 Pole 240 Volt Bolt-On Circuit Breaker
    CHB315 - Eaton - 15 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Save $75.01
    Limited availability
    DK3400K - Eaton - Molded Case Circuit Breaker
    DK3400K - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $178
    Sale
    EHD3035L - Eaton - Molded Case Circuit Breaker
    EHD3035L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $16
    Sale
    FD3100K - Eaton - Molded Case Switch
    FD3100K - Eaton - Molded Case Switch
    Eaton Cutler-Hammer
    Save $1,063.67
    Sale
    FD3150K - Eaton - Molded Case Switch
    FD3150K - Eaton - Molded Case Switch
    Eaton Cutler-Hammer
    Save $2,201.99
    Sale
    FDB3050L - Eaton - Molded Case Circuit Breaker
    FDB3050L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $55
    Sale
    FDC3050L - Eaton - MoldedCase Circuit Breakers
    FDC3050L - Eaton - MoldedCase Circuit Breakers
    Eaton Cutler-Hammer
    Save $102
    Sale
    FDC3060L - Eaton - MoldedCase Circuit Breakers
    FDC3060L - Eaton - MoldedCase Circuit Breakers
    Eaton Cutler-Hammer
    Save $88
    Sale
    HMCP250J5C - Eaton - Molded Case Circuit Breaker
    HMCP250J5C - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $289
    Sale
    JT3150T - Eaton - Trip Unit
    JT3150T - Eaton - Trip Unit
    Eaton Cutler-Hammer
    Save $45
    Sale
    JT3175T - Eaton - Trip Unit
    JT3175T - Eaton - Trip Unit
    Eaton Cutler-Hammer
    Save $46
    Sale
    LDC3600F - Eaton - Molded Case Circuit Breaker
    LDC3600F - Eaton - Frame
    Eaton Cutler-Hammer
    Save $406
    Sale
    LT3300T - Eaton - Trip Unit
    LT3300T - Eaton - Trip Unit
    Eaton Cutler-Hammer
    Save $22
    Sale
    MES3800LSIG - Eaton - Trip Unit
    MES3800LSIG - Eaton - Trip Unit
    Eaton Cutler-Hammer
    Save $690
    Limited availability
    AMC6FJFP - GE 250 Amp 3 Pole Molded Case Circuit Breaker Mounting Module
    AMC6FJFP - GE - Mounting Hardware
    GE
    Limited availability
    SAXSEL36150 - GE - 150 Amp Circuit Breaker Current Limiter
    GE
    Limited availability
    SKHA36AT1200 - GE - Molded Case Circuit Breaker
    SKHA36AT1200 - GE - Molded Case Circuit Breaker
    GE
    Save $7,907.01
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    TED134045WL - GE 45 Amp 3 Pole 480 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED134045WL - GE - Molded Case Circuit Breaker
    GE
    Save $648.01
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    TED134090WL - GE 90 Amp 3 Pole 480 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED134090WL - GE - Molded Case Circuit Breaker
    GE
    Save $642.01
    Sale
    TED136045WL - GE 45 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136045WL - GE - Molded Case Circuit Breaker
    GE
    Save $715.01
    Limited availability
    BQ3B02000S01 - Siemens 20 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    BQ3B02000S01 - Siemens - 20 Amp Shunt Trip Circuit Breaker
    Siemens / ITE
    Save $619.01
    Sale
    THQD32175WL - GE 175 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    THQD32175WL - GE - Molded Case Circuit Breaker
    GE
    Save $760.01
    FBH36TE040RV - GE - Molded Case Circuit Breaker
    GE
    CMD63B800 - Siemens - Molded Case Circuit Breaker
    CMD63B800 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    ED43B070L - Siemens - Molded Case Circuit Breaker
    ED43B070L - Siemens - Molded Case Circuit Breaker
    ED43B070L - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    ED43B090L - Siemens - Molded Case Circuit Breaker
    ED43B090L - Siemens - Molded Case Circuit Breaker
    ED43B090L - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
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