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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Connecticut Electric UBIF 20 amps Standard 2-Pole Circuit Breaker
MSRP $84.79Regular price $76.00 USDRegular priceUnit price / perSale price $76.00 USD -
Eaton Cutler-Hammer Bolt-On 2.00 in. Hub For Meter Socket
Regular price $16.72 USDRegular priceUnit price / perSale price $16.72 USD -
Eaton 70 amps Plug In 2-Pole Circuit Breaker
Regular price $48.44 USDRegular priceUnit price / perSale price $48.44 USD -
Eaton 100 amps Plug In 2-Pole Circuit Breaker
Regular price $94.12 USDRegular priceUnit price / perSale price $94.12 USD -
Eaton 40 amps Plug In 2-Pole Circuit Breaker
Regular price $29.36 USDRegular priceUnit price / perSale price $29.36 USD -
Connecticut Electric UBIZ 30 amps Standard 2-Pole Circuit Breaker
Regular price $92.77 USDRegular priceUnit price / perSale price $92.77 USD -
Square D 50 amps 120/240 V 2 space 4 circuits Bolt-On Mount Main Lug Load Center
Regular price $149.99 USDRegular priceUnit price / perSale price $149.99 USD -
Square D HomeLine 20 amps Dual Function Single Pole Circuit Breaker
Regular price $83.16 USDRegular priceUnit price / perSale price $83.16 USD -
Square D QO 20 amps Arc Fault/Ground Fault Single Pole Circuit Breaker
Regular price $109.99 USDRegular priceUnit price / perSale price $109.99 USD -
Eaton Cutler-Hammer 14 space 14 circuits Bolt-On Mount Ground Bar Kit
Regular price $10.10 USDRegular priceUnit price / perSale price $10.10 USD -
Square D 20/20 amps Tandem Single Pole Circuit Breaker
Regular price $99.99 USDRegular priceUnit price / perSale price $99.99 USD -
Square D 200 amps 120/240 V 4 space 15 circuits Combination Mount Ground Bar Kit
MSRP $14.99Regular price $12.41 USDRegular priceUnit price / perSale price $12.41 USD -
Square D 50 amps 120/240 V 4 space 12 circuits Combination Mount Ground Bar Kit
Regular price $11.48 USDRegular priceUnit price / perSale price $11.48 USD -
Square D 200 amps 120/240 V 4 space 3 circuits Combination Mount Ground Bar Kit
MSRP $9.99Regular price $7.07 USDRegular priceUnit price / perSale price $7.07 USD -
Square D Schneider Electric Neutral Lug 1 pk
Regular price $9.85 USDRegular priceUnit price / perSale price $9.85 USD -
Eaton 15/15 amps Tandem 2-Pole Circuit Breaker
Regular price $29.12 USDRegular priceUnit price / perSale price $29.12 USD -
Eaton Cutler-Hammer 1 space Wall Mount Filler Plate
Regular price $3.57 USDRegular priceUnit price / perSale price $3.57 USD -
Eaton 20 amps Plug In Single Pole Circuit Breaker
Regular price $13.11 USDRegular priceUnit price / perSale price $13.11 USD -
Eaton 15 amps Plug In Single Pole Circuit Breaker
Regular price $13.11 USDRegular priceUnit price / perSale price $13.11 USD -
Eaton Cutler-Hammer 5 space 5 circuits Bolt-On Mount Ground Bar Kit
Regular price $7.21 USDRegular priceUnit price / perSale price $7.21 USD -
Square D 20/20 amps Tandem Single Pole Circuit Breaker
Regular price $36.84 USDRegular priceUnit price / perSale price $36.84 USD -
Square D QO 15 amps Plug In 2-Pole Circuit Breaker
Regular price $41.99 USDRegular priceUnit price / perSale price $41.99 USD -
Square D 200 amps 120/240 V 23 space 40 circuits Combination Mount Ground Bar Kit
Regular price $15.85 USDRegular priceUnit price / perSale price $15.85 USD -
Eaton 15 amps Plug In Single Pole Circuit Breaker
Regular price $11.99 USDRegular priceUnit price / perSale price $11.99 USD -
Eaton 20 amps Single Pole Circuit Breaker
Regular price $79.43 USDRegular priceUnit price / perSale price $79.43 USD -
Square D QO 120/240 amps Plug In Handle Lock Off
MSRP $3.99Regular price $3.09 USDRegular priceUnit price / perSale price $3.09 USD -
Square D HomeLine 15/15 amps Tandem Single Pole Circuit Breaker
Regular price $19.99 USDRegular priceUnit price / perSale price $19.99 USD -
ABB 60 amps Non-Fusible 2-Pole AC Disconnect
Regular price $25.99 USDRegular priceUnit price / perSale price $25.99 USD -
Square D 200 amps 120/240 V 1 space 12 circuits Surface Mount Ground Bar Kit
Regular price $10.16 USDRegular priceUnit price / perSale price $10.16 USD -
Eaton 20 amps Plug In Single Pole Circuit Breaker
Regular price $11.99 USDRegular priceUnit price / perSale price $11.99 USD -
Eaton 30/30 amps Tandem 2-Pole Circuit Breaker
Regular price $19.99 USDRegular priceUnit price / perSale price $19.99 USD -
Square D QO 200 amps 120/240 V 1 space 4 circuits Combination Mount Ground Bar Kit
MSRP $9.99Regular price $7.88 USDRegular priceUnit price / perSale price $7.88 USD -
GE Q-Line 30 amps Standard Single Pole Circuit Breaker
Regular price $8.40 USDRegular priceUnit price / perSale price $8.40 USD -
Square D QO 30 amps Plug In Single Pole Circuit Breaker
MSRP $19.99Regular price $18.08 USDRegular priceUnit price / perSale price $18.08 USD -
ABB Q-Line 60 amps Standard 2-Pole Circuit Breaker
Regular price $19.91 USDRegular priceUnit price / perSale price $19.91 USD -
ABB Q-Line 50 amps Standard 2-Pole Circuit Breaker
Regular price $19.91 USDRegular priceUnit price / perSale price $19.91 USD



