Circuit Breakers & Accessories

8120 products

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Square D KAL362501021 3 Pole 250 Amp 600V Circuit Break w/ShuntSquare D KAL362501021 3 Pole 250 Amp 600V Circuit Break w/Shunt
Square D Square D KAL362501021 3 Pole 250 Amp 600V Circuit Break w/Shunt
$1,299.99
 Only 1 unit left
Square D Q2L3150H 3 Pole 150 Amp 240v 22KA Circuit BreakerSquare D Q2L3150H 3 Pole 150 Amp 240v 22KA Circuit Breaker
GE General Electric Square D Q2L3150H 3 Pole 150 Amp 240v 22KA Circuit Breaker
$49.99
 Sold out
GE General Electric TJJ436175 Mod 5 175 Amp 3 Pole 600 VAC Circuit BreakerGE General Electric TJJ436175 Mod 5 175 Amp 3 Pole 600 VAC Circuit Breaker
GE General Electric GE General Electric TJJ436175 Mod 5 175 Amp 3 Pole 600 VAC Circuit Breaker
$179.99
 Only 1 unit left
Siemens 5SY6102-7 Miniature Circuit Breaker, 1-Pole, 2A, Curve C, D=70mmSiemens 5SY6102-7 Miniature Circuit Breaker, 1-Pole, 2A, Curve C, D=70mm
Siemens Siemens 5SY6102-7 Miniature Circuit Breaker, 1-Pole, 2A, Curve C, D=70mm
$29.99
 Only 1 unit left
Square D QGA221251 125 Amp 2 Pole AB 240V PowerPact I Line QG125 Circuit BreakerSquare D QGA221251 125 Amp 2 Pole AB 240V PowerPact I Line QG125 Circuit Breaker
Square D Square D QGA221251 125 Amp 2 Pole AB 240V PowerPact I Line QG125 Circuit Breaker
$489.99
 Sold out
Square D QGA221254 125 Amp 2 Pole BC 240V PowerPact I Line QG125 Circuit BreakerSquare D QGA221254 125 Amp 2 Pole BC 240V PowerPact I Line QG125 Circuit Breaker
Square D Square D QGA221254 125 Amp 2 Pole BC 240V PowerPact I Line QG125 Circuit Breaker
$494.99
 Sold out
Square D QGA221252 125 Amp 2 Pole AC 240V PowerPact I Line QG125 Circuit BreakerSquare D QGA221252 125 Amp 2 Pole AC 240V PowerPact I Line QG125 Circuit Breaker
Square D Square D QGA221252 125 Amp 2 Pole AC 240V PowerPact I Line QG125 Circuit Breaker
$489.99
 In stock, 3 units
GE General Electric ASPTQD3P 3 Pole Riser Mounting HardwareGE General Electric ASPTQD3P 3 Pole Riser Mounting Hardware
GE General Electric GE General Electric ASPTQD3P 3 Pole Riser Mounting Hardware
From $23.99
 In stock, 7 units
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GE/General Electric THQC/TQC1140 40 Amp 1 Pole 120/240V Circuit BreakerGE/General Electric THQC/TQC1140 40 Amp 1 Pole 120/240V Circuit Breaker
GE General Electric GE/General Electric THQC/TQC1140 40 Amp 1 Pole 120/240V Circuit Breaker
$6.99
 In stock, 2 units
General Electric TED134090 90 Amp 3 Pole 480V Circuit BreakerGeneral Electric TED134090 90 Amp 3 Pole 480V Circuit Breaker
GE General Electric General Electric TED134090 90 Amp 3 Pole 480V Circuit Breaker
$49.99
 Only 1 unit left
Westinghouse CA3125X 125 Amp 3 Pole 240V Circuit BreakerWestinghouse CA3125X 125 Amp 3 Pole 240V Circuit Breaker
Westinghouse Westinghouse CA3125X 125 Amp 3 Pole 240V Circuit Breaker
$99.99
 Sold out
Square D BGL36045 PowerPact BG45 3 Pole 45 Amp 600Y/347V Molded Case Circuit BreakerSquare D BGL36045 PowerPact BG45 3 Pole 45 Amp 600Y/347V Molded Case Circuit Breaker
Square D Square D BGL36045 PowerPact BG45 3 Pole 45 Amp 600Y/347V Molded Case Circuit Breaker
$299.99
 Only 1 unit left
Square D HGA36150 3-Pole 150 Amp 600V PowerPact I Line Circuit BreakerSquare D HGA36150 3-Pole 150 Amp 600V PowerPact I Line Circuit Breaker
Square D Square D HGA36150 3-Pole 150 Amp 600V PowerPact I Line Circuit Breaker
$629.99
 Sold out
Square D FC34025 3 Pole 25 Amp I Line Circuit BreakerSquare D FC34025 3 Pole 25 Amp I Line Circuit Breaker
Square D Square D FC34025 3 Pole 25 Amp I Line Circuit Breaker
$159.99
 Sold out
Square D FC34090 3 Pole 90 Amp I Line Circuit BreakerSquare D FC34090 3 Pole 90 Amp I Line Circuit Breaker
Square D Square D FC34090 3 Pole 90 Amp I Line Circuit Breaker
$249.99
 Sold out
Square D FJA140351 Single Pole 35 Amp A Phase I Line Circuit BreakerSquare D FJA140351 Single Pole 35 Amp A Phase I Line Circuit Breaker
Square D Square D FJA140351 Single Pole 35 Amp A Phase I Line Circuit Breaker
$199.99
 Sold out
Square D FJA140353 Single Pole 35 Amp B Phase I Line Circuit BreakerSquare D FJA140353 Single Pole 35 Amp B Phase I Line Circuit Breaker
Square D Square D FJA140353 Single Pole 35 Amp B Phase I Line Circuit Breaker
$199.99
 Only 1 unit left
Square D FJA140355 Single Pole 35 Amp C Phase I Line Circuit BreakerSquare D FJA140355 Single Pole 35 Amp C Phase I Line Circuit Breaker
Square D Square D FJA140355 Single Pole 35 Amp C Phase I Line Circuit Breaker
$199.99
 Only 1 unit left
Westinghouse HFD2030 2 Pole 30 Amp 600 Vac Circuit BreakerWestinghouse HFD2030 2 Pole 30 Amp 600 Vac Circuit Breaker
Westinghouse Westinghouse HFD2030 2 Pole 30 Amp 600 Vac Circuit Breaker
$119.99
 In stock, 4 units
Square D I-Limiter LXIL36400 2 Pole 400 Amp 600V Molded Case Circuit BreakerSquare D I-Limiter LXIL36400 2 Pole 400 Amp 600V Molded Case Circuit Breaker
Square D Square D I-Limiter LXIL36400 2 Pole 400 Amp 600V Molded Case Circuit Breaker
$3,999.99
 In stock, 2 units
Square D HDL36125SA 125 Amp 3 Pole 600V PowerPact HD 150 Circuit BreakerSquare D HDL36125SA 125 Amp 3 Pole 600V PowerPact HD 150 Circuit Breaker
Square D Square D HDL36125SA 125 Amp 3 Pole 600V PowerPact HD 150 Circuit Breaker
$1,299.99
 Sold out
Square D PowerPact MGA36350 3 Pole 350 Amp 600V MG 350 I Line Circuit BreakerSquare D PowerPact MGA36350 3 Pole 350 Amp 600V MG 350 I Line Circuit Breaker
Square D Square D PowerPact MGA36350 3 Pole 350 Amp 600V MG 350 I Line Circuit Breaker
$4,499.99
 Sold out
Square D 8855-DC55 Logic Controller Series ASquare D 8855-DC55 Logic Controller Series A
Square D Square D 8855-DC55 Logic Controller Series A
$349.99
 In stock, 4 units
Square D by Schneider Electric JJL36225SOLW 600V 225 Amp 3 Pole PowerPact Molded Case Circuit BreakerSquare D by Schneider Electric JJL36225SOLW 600V 225 Amp 3 Pole PowerPact Molded Case Circuit Breaker
Square D Square D by Schneider Electric JJL36225SOLW 600V 225 Amp 3 Pole PowerPact Molded Case Circuit Breaker
$639.99
 In stock, 2 units
Square D HJA36015 3 Pole 15 Amp 600v HJ060 PowerPact Circuit BreakerSquare D HJA36015 3 Pole 15 Amp 600v HJ060 PowerPact Circuit Breaker
Square D Square D HJA36015 3 Pole 15 Amp 600v HJ060 PowerPact Circuit Breaker
$499.99
 Sold out
Square D KH361501021 150 Amp 600 Vac 3 Pole I Line Circuit Breaker w/Shunt TripSquare D KH361501021 150 Amp 600 Vac 3 Pole I Line Circuit Breaker w/Shunt Trip
Square D Square D KH361501021 150 Amp 600 Vac 3 Pole I Line Circuit Breaker w/Shunt Trip
$999.99
 Sold out
Square D KH36150 150 Amp 600 Vac 3 Pole I Line Circuit BreakerSquare D KH36150 150 Amp 600 Vac 3 Pole I Line Circuit Breaker
Square D Square D KH36150 150 Amp 600 Vac 3 Pole I Line Circuit Breaker
$579.99
 Only 1 unit left
Square D FI26020AC1021 20 Amp 3 Pole 600V I Line Circuit Breaker w/ Shunt TripSquare D FI26020AC1021 20 Amp 3 Pole 600V I Line Circuit Breaker w/ Shunt Trip
Square D Square D FI26020AC1021 20 Amp 3 Pole 600V I Line Circuit Breaker w/ Shunt Trip
$599.99
 Only 1 unit left
Siemens Q240H 2 Pole 40 Amp 22kAIC Circuit BreakerSiemens Q240H 2 Pole 40 Amp 22kAIC Circuit Breaker
Siemens Siemens Q240H 2 Pole 40 Amp 22kAIC Circuit Breaker
$29.99
 Sold out
Siemens HF325NRA 400 Amp 240 Volt 3 Pole Fusible Heavy Duty Safety SwitchSiemens HF325NRA 400 Amp 240 Volt 3 Pole Fusible Heavy Duty Safety Switch
Siemens Siemens HF325NRA 400 Amp 240 Volt 3 Pole Fusible Heavy Duty Safety Switch
$1,999.99
 Only 1 unit left
Eaton BR390 Thermal Magnetic Circuit Breaker 3-Pole 90 Amp 240 Volt ACEaton BR390 Thermal Magnetic Circuit Breaker 3-Pole 90 Amp 240 Volt AC
Eaton / Cutler Hammer Eaton BR390 Thermal Magnetic Circuit Breaker 3-Pole 90 Amp 240 Volt AC
$89.99
 Only 1 unit left
GE General Electric TCAL29 250 Amp Circuit Breaker LugGE General Electric TCAL29 250 Amp Circuit Breaker Lug
GE General Electric GE General Electric TCAL29 250 Amp Circuit Breaker Lug
$9.99
 Sold out
GE General Electric SRPF250A 150 Amp Circuit Breaker Trip UnitGE General Electric SRPF250A 150 Amp Circuit Breaker Trip Unit
GE General Electric GE General Electric SRPF250A 150 Amp Circuit Breaker Trip Unit
$29.99
 Sold out
Eaton BQ215220 15/20 Amp 4 Pole Quad 120/240V Circuit Breaker - Cosmetic FlawEaton BQ215220 15/20 Amp 4 Pole Quad 120/240V Circuit Breaker - Cosmetic Flaw
Eaton / Cutler Hammer Eaton BQ215220 15/20 Amp 4 Pole Quad 120/240V Circuit Breaker - Cosmetic Flaw
$24.99
 Sold out
Cutler Hammer BQ250250 50 Amp 4 Pole Quad 120/240V Circuit BreakerCutler Hammer BQ250250 50 Amp 4 Pole Quad 120/240V Circuit Breaker
Eaton / Cutler Hammer Cutler Hammer BQ250250 50 Amp 4 Pole Quad 120/240V Circuit Breaker
$27.99
 Only 1 unit left
Square D NQOB 225A 30SP Main Lug/Main Breaker Convertible Panelboard Guts OnlySquare D NQOB 225A 30SP Main Lug/Main Breaker Convertible Panelboard Guts Only
Square D Square D NQOB 225A 30SP Main Lug/Main Breaker Convertible Panelboard Guts Only
$189.98
 Only 1 unit left
Save 53%
Siemens MBKFD3A Main/Subfeed Breaker Mounting KitSiemens MBKFD3A Main/Subfeed Breaker Mounting Kit
Siemens Siemens MBKFD3A Main/Subfeed Breaker Mounting Kit
$899.99 $1,915
 Sold out
Federal Pacific/Econolim XMR800 800 Amp Current Limiter Fusematic Circuit BreakerFederal Pacific/Econolim XMR800 800 Amp Current Limiter Fusematic Circuit Breaker
FPE Federal Pacific Federal Pacific/Econolim XMR800 800 Amp Current Limiter Fusematic Circuit Breaker
$249.99
 Sold out
GE General Electric FBV36TE015RV 15 Amp 3 Pole 600V Bolt-On Circuit BreakerGE General Electric FBV36TE015RV 15 Amp 3 Pole 600V Bolt-On Circuit Breaker
GE General Electric GE General Electric FBV36TE015RV 15 Amp 3 Pole 600V Bolt-On Circuit Breaker
$99.99
 Sold out
Siemens Q120AFH 20 Amp 1 Pole 120V Type QAFH Arc Fault Circuit BreakerSiemens Q120AFH 20 Amp 1 Pole 120V Type QAFH Arc Fault Circuit Breaker
Siemens Siemens Q120AFH 20 Amp 1 Pole 120V Type QAFH Arc Fault Circuit Breaker
$99.99
 In stock, 5 units
Cuttler Hammer BJ3125 3 Pole 125 Amp 240V Type BJ CBJ Circuit BreakerCuttler Hammer BJ3125 3 Pole 125 Amp 240V Type BJ CBJ Circuit Breaker
Cutler Hammer Cuttler Hammer BJ3125 3 Pole 125 Amp 240V Type BJ CBJ Circuit Breaker
From $349.99
 Sold out
Square D KAL36225-25M 225 Amp 3 Pole 600V Magnetic Trip Circuit BreakerSquare D KAL36225-25M 225 Amp 3 Pole 600V Magnetic Trip Circuit Breaker
Square D Square D KAL36225-25M 225 Amp 3 Pole 600V Magnetic Trip Circuit Breaker
$119.99
 Sold out
Eaton DH363NRK Safety Switch Type 3R 100a 600v 3p Fused 100 AmpEaton DH363NRK Safety Switch Type 3R 100a 600v 3p Fused 100 Amp
Cutler Hammer Eaton DH363NRK Safety Switch Type 3R 100a 600v 3p Fused 100 Amp
$402.99
 Sold out
Challenger C320 20 Amp 3 Pole 240V Plug in Type C Circuit BreakerChallenger C320 20 Amp 3 Pole 240V Plug in Type C Circuit Breaker
Challenger Challenger C320 20 Amp 3 Pole 240V Plug in Type C Circuit Breaker
From $10.99
 In stock, 3 units
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GE General Electric SFPA36AT0250 600 Volt 250 Amp 3 Phase Spectra Circuit Breaker with SRPF250A225 Trip ModuleGE General Electric SFPA36AT0250 600 Volt 250 Amp 3 Phase Spectra Circuit Breaker with SRPF250A225 Trip Module
GE General Electric GE General Electric SFPA36AT0250 600 Volt 250 Amp 3 Phase Spectra Circuit Breaker with SRPF250A225 Trip Module
$799.99
 Sold out
ITE BF1B020 20 Amp 1 Pole 120 VAC Bolt-On GFI Circuit Breaker - Cosmetic FlawITE BF1B020 20 Amp 1 Pole 120 VAC Bolt-On GFI Circuit Breaker - Cosmetic Flaw
ITE / Gould ITE BF1B020 20 Amp 1 Pole 120 VAC Bolt-On GFI Circuit Breaker - Cosmetic Flaw
$149.99
 Only 1 unit left
Westinghouse CA3200X 200 Amp 3 Pole 240V Circuit BreakerWestinghouse CA3200X 200 Amp 3 Pole 240V Circuit Breaker
Westinghouse Westinghouse CA3200X 200 Amp 3 Pole 240V Circuit Breaker
$299.99
 Sold out
Challenger BQ2-C020 2 Pole 20 Amp Bolt on Circuit BreakerChallenger BQ2-C020 2 Pole 20 Amp Bolt on Circuit Breaker
Challenger Challenger BQ2-C020 2 Pole 20 Amp Bolt on Circuit Breaker
$11.99
 Only 1 unit left

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