Circuit Breakers & Protection
Single-pole, 2-pole and tandem circuit breakers from 15 A to 100 A, GFCI breakers and loadcenter parts from Square D, Eaton, Connecticut Electric and Siemens. Part of our lighting and electrical supplies; see the lighting and electrical buying guide.
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Square D HomeLine 15 amps Arc Fault Single Pole Circuit Breaker
Regular price $76.87 USDRegular priceUnit price / perSale price $76.87 USD -
Square D 30 amps Plug In 2-Pole Fuse Safety Switch
Regular price $54.32 USDRegular priceUnit price / perSale price $54.32 USD -
Eaton 30 amps Plug In Single Pole Circuit Breaker
Regular price $15.92 USDRegular priceUnit price / perSale price $15.92 USD -
Square D 20 amps Arc Fault/Ground Fault Single Pole Circuit Breaker
Regular price $84.99 USDRegular priceUnit price / perSale price $84.99 USD -
Square D Bolt-On 2 in. Loadcenter Hub For B Openings
Regular price $21.68 USDRegular priceUnit price / perSale price $21.68 USD -
ABB 20 amps Ground Fault 2-Pole Circuit Breaker w/Self Test
Regular price $175.04 USDRegular priceUnit price / perSale price $175.04 USD -
Square D Bolt-On 1-1/2 in. Loadcenter Hub For B Openings
Regular price $21.29 USDRegular priceUnit price / perSale price $21.29 USD -
Square D QO 15 amps Arc Fault/Ground Fault Single Pole Circuit Breaker
Regular price $109.99 USDRegular priceUnit price / perSale price $109.99 USD -
Square D Bolt-On 1-1/4 in. Loadcenter Hub For B Openings
Regular price $21.29 USDRegular priceUnit price / perSale price $21.29 USD -
Square D QO 25 amps Plug In 2-Pole Circuit Breaker
Regular price $40.57 USDRegular priceUnit price / perSale price $40.57 USD -
Square D Bolt-On 1 in. Loadcenter Hub For B Openings
Regular price $21.29 USDRegular priceUnit price / perSale price $21.29 USD -
Square D HomeLine 100 amps 120/240 V 20 space 40 circuits Combination Mount Main Breaker Load Center
Regular price $149.99 USDRegular priceUnit price / perSale price $149.99 USD -
Square D HomeLine 100 amps 120/240 V 12 space 24 circuits Combination Mount Main Breaker Load Center
Regular price $174.49 USDRegular priceUnit price / perSale price $174.49 USD -
Square D QO 30 amps 120/240 V 2 space 2 circuits Combination Mount Main Lug Load Center
Regular price $28.07 USDRegular priceUnit price / perSale price $28.07 USD -
Square D 15/20 amps Tandem Single Pole Circuit Breaker
Regular price $34.51 USDRegular priceUnit price / perSale price $34.51 USD -
Square D 15/20 amps Tandem Single Pole Circuit Breaker
Regular price $19.99 USDRegular priceUnit price / perSale price $19.99 USD -
Connecticut Electric UBIP 50 amps Standard 2-Pole Circuit Breaker
MSRP $100.44Regular price $90.01 USDRegular priceUnit price / perSale price $90.01 USD -
Siemens 15 amps Arc Fault/Ground Fault Single Pole Circuit Breaker
Regular price $70.99 USDRegular priceUnit price / perSale price $70.99 USD -
Square D QO 20 amps Arc Fault/Plug In Single Pole Circuit Breaker
Regular price $81.24 USDRegular priceUnit price / perSale price $81.24 USD -
Connecticut Electric UBIP 40 amps Standard 2-Pole Circuit Breaker
MSRP $100.44Regular price $90.32 USDRegular priceUnit price / perSale price $90.32 USD -
Square D QO 15 amps Arc Fault Single Pole Circuit Breaker
Regular price $81.24 USDRegular priceUnit price / perSale price $81.24 USD -
Connecticut Electric UBIP 30 amps Standard 2-Pole Circuit Breaker
MSRP $100.44Regular price $90.01 USDRegular priceUnit price / perSale price $90.01 USD -
Square D HomeLine 20 amps Surge Single Pole Circuit Breaker
Regular price $72.06 USDRegular priceUnit price / perSale price $72.06 USD -
Square D 200 amps 240 V 12 space 40 circuits Combination Mount Ground Bar Kit
Regular price $33.99 USDRegular priceUnit price / perSale price $33.99 USD -
Reliance Controls PB Series 30 amps 120/240 V 1 space 1 circuits Surface Mount Power Inlet Box
Regular price $65.96 USDRegular priceUnit price / perSale price $65.96 USD -
Reliance Controls PB Series 20 amps 120/240 V 1 space 1 circuits Surface Mount Power Inlet Box
Regular price $54.99 USDRegular priceUnit price / perSale price $54.99 USD -
Connecticut Electric UBIP 20 amps Standard 2-Pole Circuit Breaker
MSRP $100.44Regular price $90.01 USDRegular priceUnit price / perSale price $90.01 USD -
Eaton 30/30 amps Plug In 2-Pole Circuit Breaker
Regular price $28.84 USDRegular priceUnit price / perSale price $28.84 USD -
Connecticut Electric UBIP 30 amps Standard Single Pole Circuit Breaker
MSRP $36.90Regular price $34.17 USDRegular priceUnit price / perSale price $34.17 USD -
Connecticut Electric UBIP 15 amps Standard Single Pole Circuit Breaker
MSRP $36.90Regular price $34.17 USDRegular priceUnit price / perSale price $34.17 USD -
Eaton Cutler-Hammer 70 amps 120/240 V 2 space 4 circuits Surface Mount Main Lug Load Center — Width 5-1/4
Regular price $45.81 USDRegular priceUnit price / perSale price $45.81 USD -
Connecticut Electric UBIF 30 amps Standard 2-Pole Circuit Breaker
MSRP $84.79Regular price $76.00 USDRegular priceUnit price / perSale price $76.00 USD -
Eaton 15 amps Arc Fault/Ground Fault Single Pole Circuit Breaker w/Self Test
Regular price $99.99 USDRegular priceUnit price / perSale price $99.99 USD -
Eaton 20 amps Arc Fault/Ground Fault Single Pole Circuit Breaker w/Self Test
Regular price $90.48 USDRegular priceUnit price / perSale price $90.48 USD -
Square D HomeLine 20 amps Plug In Single Pole Circuit Breaker
Regular price $9.87 USDRegular priceUnit price / perSale price $9.87 USD -
Siemens Meter Socket
Regular price $10.19 USDRegular priceUnit price / perSale price $10.19 USD




