3 Pole Breakers

245 products

    Save on 3 pole, 3 phase circuit breakers. Free shipping on orders over $49. Easy returns. 1 year warranty.
    245 products
    Sale
    PKA36040U31A - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    PKA36040U31A - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $2,893 CAD
    H325DS - Square D 400 Amp 3 Pole 240 Volt Disconnect Switches
    CH325DS - Square D - 400 Amp Disconnect Switches
    400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    HU365SS - Square D 400 Amp 3 Pole 600 Volt Disconnect Switches
    HU365SS - Square D - 400 Amp Disconnect Switches
    400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Limited availability
    FDPW325R - Eaton - Panel Board Switch
    FDPW325R - Eaton - Panel Board Switch
    400 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    DH365FGK - Eaton - Disconnect and Safety Switch
    DH365FGK - Eaton - Disconnect and Safety Switch
    400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $3,129 CAD
    Limited availability
    HKD3400T106W - Eaton - Molded Case Circuit Breaker
    HKD3400T106W - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,134 CAD
    Sale
    LJA36400U44X - Square D - Molded Case Circuit Breakers
    I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $8,912 CAD
    Sale
    LJA36400U43X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LJA36400U43X - Square D - Molded Case Circuit Breakers
    I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $3,872 CAD
    Sale
    HMCP400J5 - Eaton - Molded Case Circuit Breaker
    HMCP400J5 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,666 CAD
    HF365RA - Siemens 400 Amp 3 Pole 600 Volt Disconnect and Safety Switches
    HFC365RA - Siemens - 400 Amp Disconnect and Safety Switch
    400 Amp - 3 Pole - 600 Volt
    Siemens
    HF365A - Siemens 400 Amp 3 Pole 600 Volt Disconnect and Safety Switches
    HFC365A - Siemens - 400 Amp Disconnect and Safety Switch
    400 Amp - 3 Pole - 600 Volt
    Siemens
    Limited availability
    THN3365J - GE 400 Amp 3 Pole 600 Volt Safety Switches
    THN3365J - GE 400 Amp Safety Switch
    400 Amp - 3 Pole - 600 Volt
    GE
    Sale
    FDPW365R - Eaton - Panel Board Switch
    FDPW365R - Eaton - Panel Board Switch
    400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,374 CAD
    Sale
    HMCP400G5C - Eaton - Molded Case Circuit Breaker
    HMCP400G5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,672 CAD
    Sale
    HMCP400J5C - Eaton - Molded Case Circuit Breaker
    HMCP400J5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,479 CAD
    Sale
    HMCP400D5WD09 - Eaton Cutler-Hammer 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HMCP400D5WD09 - Eaton - 400 Amp Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $600 CAD
    Sale
    LRA36400U31X - Square D - Molded Case Circuit Breaker
    LRA36400U31X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $2,600 CAD
    TJK636400WL - GE 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJK636400WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    SGPP36AT0400 - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGPP36AT0400 - GE - Molded Case Circuit Breaker
    Bolt-On- 400 Amp - 3 Pole - 600 Volt
    GE
    Limited availability
    SMBKJD3400 - Siemens 400 Amp 3 Pole 480 Volt Panelboard Mounted Main Breaker Kits
    SMBKJD3400 - Siemens - Mounting Kit
    400 Amp - 3 Pole - 480 Volt
    Siemens / ITE
    Sale
    HMCP400L5C - Eaton - Molded Case Circuit Breaker
    HMCP400L5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,001 CAD
    Sale
    HMCP400D5C - Eaton - Molded Case Circuit Breaker
    HMCP400D5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,500 CAD
    Sale
    HMCP400X5W - Eaton - Molded Case Circuit Breaker
    HMCP400X5W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $966 CAD
    Sale
    HMCP400A5C - Eaton - Molded Case Circuit Breaker
    HMCP400A5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,415 CAD
    Limited availability
    QMB365W - Square D 400 Amp 3 Pole 600 Volt Fusible Panel Board Switch
    QMB365W - Square D - 400 Amp Fusible Panel Board Switch
    400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    TJK636T400 - GE 400 Amp 3 Pole 600 Volt Trip Unit
    TJK636T400 - GE - Trip Unit
    400 Amp - 3 Pole - 600 Volt
    GE
    TJK436T400 - GE 400 Amp 3 Pole 600 Volt Trip Unit
    TJK436T400 - GE - Trip Unit
    400 Amp - 3 Pole - 600 Volt
    GE
    SGLL36AT0400 - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLL36AT0400 - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    LGL36400U31X - Square D - Molded Case Circuit Breaker
    Feed Thru - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    LGL36400U33X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LGL36400U33X - Square D - Molded Case Circuit Breaker
    Feed Thru - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    LDA36400U31X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LDA36400U31X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    H365DS - Square D 400 Amp 3 Pole 600 Volt Disconnect and Safety Switches
    CH365DS - Square D - Disconnect and Safety Switch
    400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    JXD63B400H - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HJXD63B400H - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    THN3365R - General Electric 400 Amp 3 Pole 600 Volt Disconnect and Safety Switches
    THN3365R - GE - Safety Switch
    400 Amp - 3 Pole - 600 Volt
    GE
    THJK436F000 - General Electric 400 Amp 3 Pole 600 Volt Thermal Magnetic Circuit Breaker
    THJK436F000 - GE - Frame
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    Limited availability
    TH3365R - General Electric 400 Amp 3 Pole 600 Volt Circuit Breaker Disconnect and Safety Switches
    TH3365R - GE - Safety Switch
    400 Amp - 3 Pole
    GE
    Limited availability
    TH3365 - General Electric 400 Amp 3 Pole 600 Volt Circuit Breaker Disconnect and Safety Switches
    TH3365 - GE - Safety Switch
    400 Amp - 3 Pole
    GE
    SGPC3604L4XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGHC3604L4XX - General Electric 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGHC3604L4XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
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