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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Siemens 20/20 amps Tandem Single Pole Circuit Breaker
Regular price $19.99 USDRegular priceUnit price / perSale price $19.99 USD -
ABB Q-Line 40 amps Standard 2-Pole Circuit Breaker
Regular price $19.91 USDRegular priceUnit price / perSale price $19.91 USD -
Siemens 100 amps Standard 2-Pole Circuit Breaker
Regular price $59.99 USDRegular priceUnit price / perSale price $59.99 USD -
Eaton 20 amps Plug In Single Pole Circuit Breaker
Regular price $15.91 USDRegular priceUnit price / perSale price $15.91 USD -
ABB Q-Line 30 amps Standard Single Pole Circuit Breaker
Regular price $8.40 USDRegular priceUnit price / perSale price $8.40 USD -
Siemens 60 amps Standard 2-Pole Circuit Breaker
Regular price $18.35 USDRegular priceUnit price / perSale price $18.35 USD -
Siemens 20 amps Arc Fault Single Pole Circuit Breaker
Regular price $68.17 USDRegular priceUnit price / perSale price $68.17 USD -
Siemens 50 amps Standard 2-Pole Circuit Breaker
Regular price $18.35 USDRegular priceUnit price / perSale price $18.35 USD -
Eaton 15 amps Plug In Single Pole Circuit Breaker
Regular price $15.92 USDRegular priceUnit price / perSale price $15.92 USD -
Siemens 40 amps Standard 2-Pole Circuit Breaker
Regular price $18.35 USDRegular priceUnit price / perSale price $18.35 USD -
Siemens 30 amps Standard Single Pole Circuit Breaker
Regular price $8.19 USDRegular priceUnit price / perSale price $8.19 USD -
Square D HomeLine 15 amps Arc Fault/Plug In Single Pole Circuit Breaker
Regular price $70.74 USDRegular priceUnit price / perSale price $70.74 USD -
Eaton 60 amps Non-Fusible AC Disconnect
Regular price $22.73 USDRegular priceUnit price / perSale price $22.73 USD -
ABB Bolt-On 7 in. Filler Plate
Regular price $8.99 USDRegular priceUnit price / perSale price $8.99 USD -
Connecticut Electric UBIP 20 amps Standard Single Pole Circuit Breaker
Regular price $34.17 USDRegular priceUnit price / perSale price $34.17 USD -
GE Q-Line 50 amps Standard 2-Pole Circuit Breaker
Regular price $19.55 USDRegular priceUnit price / perSale price $19.55 USD -
Eaton 40 amps Plug In 2-Pole Circuit Breaker
Regular price $18.33 USDRegular priceUnit price / perSale price $18.33 USD -
Eaton 15/15 amps Tandem 2-Pole Circuit Breaker
Regular price $18.61 USDRegular priceUnit price / perSale price $18.61 USD -
Square D QO 100 amps Plug In 2-Pole Circuit Breaker
Regular price $122.18 USDRegular priceUnit price / perSale price $122.18 USD -
Square D HomeLine 20 amps Surge Single Pole Circuit Breaker
Regular price $72.23 USDRegular priceUnit price / perSale price $72.23 USD -
Eaton 60 amps Plug In 2-Pole Circuit Breaker
Regular price $33.43 USDRegular priceUnit price / perSale price $33.43 USD -
Eaton 50 amps Plug In 2-Pole Circuit Breaker
Regular price $29.37 USDRegular priceUnit price / perSale price $29.37 USD -
GE Q-Line 30 amps Standard 2-Pole Circuit Breaker
Regular price $19.64 USDRegular priceUnit price / perSale price $19.64 USD -
Eaton 30 amps Plug In 2-Pole Circuit Breaker
Regular price $29.37 USDRegular priceUnit price / perSale price $29.37 USD -
Connecticut Electric ITE Siemens 1 space Surface Mount Filler Plate
Regular price $2.93 USDRegular priceUnit price / perSale price $2.93 USD -
Eaton 20 amps Plug In 2-Pole Circuit Breaker
Regular price $29.37 USDRegular priceUnit price / perSale price $29.37 USD -
Square D QO 20 amps Plug In Single Pole Circuit Breaker
Regular price $109.99 USDRegular priceUnit price / perSale price $109.99 USD -
Eaton 30 amps Plug In Single Pole Circuit Breaker
Regular price $11.56 USDRegular priceUnit price / perSale price $11.56 USD -
Eaton 50 amps Plug In 2-Pole Circuit Breaker
Regular price $31.81 USDRegular priceUnit price / perSale price $31.81 USD -
Eaton 30 amps Plug In Single Pole Circuit Breaker
Regular price $13.11 USDRegular priceUnit price / perSale price $13.11 USD -
GE Q-Line 20 amps Standard 2-Pole Circuit Breaker
Regular price $19.64 USDRegular priceUnit price / perSale price $19.64 USD -
Cash Acme 3/4 in. FHT X 3/4 in. MHT Brass Vacuum Breaker
Regular price $4.73 USDRegular priceUnit price / perSale price $4.73 USD -
Prier Mansfield Aluminum Vacuum Breaker Repair Kit 1 pc
Regular price $5.92 USDRegular priceUnit price / perSale price $5.92 USD -
Square D HomeLine 30 amps Surge 2-Pole Circuit Breaker
Regular price $21.31 USDRegular priceUnit price / perSale price $21.31 USD -
Square D HomeLine 20 amps Standard Single Pole Miniature Circuit Breaker
Regular price $9.73 USDRegular priceUnit price / perSale price $9.73 USD -
Square D Homeline 15 amps Plug In Single Pole Miniature Circuit Breaker
Regular price $9.09 USDRegular priceUnit price / perSale price $9.09 USD









