Breakers (179)

Breakers are an essential component of any structure with electricity. Ranging in size from one pole to four pole units, they fit any electrical connection need. Security is a priority with electrics, so choosing the proper panel and breakers for the current used is vital. All the switches and accessories are inside the breaker panel, so choose one with optimal space. Combining the appropriate breaker panels and accessories helps ensure the safety of each structure. When managing electrical power with other overcurrent protection such as fuses, make sure they are the proper amperage.
A properly installed and maintained circuit panel is one of the most important safety features of every building supplied with electricity. Whether it uses fuses or circuit breakers, the electrical panel controls the flow of electrical current into and throughout the building. Without it, the risk of fire or electrical shock increases every time you flip a switch or turn on an appliance.

Rona’s selection of circuit breakers includes trusted brands such as Square D, Cutler-Hammer, and Siemens. These units come in a variety of amperage limits and styles to fit any job. Choose from both 1-pole and 2-pole options depending on whether you need 120V or 240V. There are also several arc fault circuit interrupters (AFCIs) to pick from for added safety when running or replacing wiring to a bedroom.

When installing a new hot tub, air conditioning unit, or other appliance with heavy electrical needs, make sure the breaker is HCAR type so you know it can handle the load. If space is at a premium in your current project, choose a smaller breaker panel and make use of tandem breakers to carry the same amount of electricity through a smaller footprint.

Fuses work once and need replacing each time they overload. Breakers are more cost-effective because they turn off to stop the flow of electricity. Once you fix the problem, turn the switch back on and the current will flow again. Also check out the selection of switches and accessories for the supplies needed to finish a panel including labels and filler plates.
15/15A CHOM Tandem Circuit Breaker icon-wishlist
HOMELINE
15/15A CHOM Tandem Circuit Breaker
28 . 99 Each
4 in Store
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50-A 2P (NC) Circuit Breaker icon-wishlist
FEDERAL PIONEER
50-A 2P (NC) Circuit Breaker
$ 125 Each
 
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Eaton Type QBH 50-Amp Double-Pole Circuit Breaker icon-wishlist
CUTLER-HAMMER
Eaton Type QBH 50-Amp Double-Pole Circuit Breaker
$ 129 Each
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Federal Pioneer Stab-Lok 40A x 120/240 Volts CSA Approved Bipolar (NC) Circuit Breaker icon-wishlist
FEDERAL PIONEER
Federal Pioneer Stab-Lok 40A x 120/240 Volts CSA Approved Bipolar (NC) Circuit Breaker
62 . 99 Each
1 in Store
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Federal Pioneer Stab-Lok 30A x 120/240 Volts CSA Approved Bipolar (NC) Circuit Breaker icon-wishlist
FEDERAL PIONEER
Federal Pioneer Stab-Lok 30A x 120/240 Volts CSA Approved Bipolar (NC) Circuit Breaker
62 . 99 Each
2 in Store
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15A/1P CHOM Circuit Breaker icon-wishlist
HOMELINE
15A/1P CHOM Circuit Breaker
14 . 49 Each
4 in Store
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20/20A 1P QO Tandem Circuit Breaker icon-wishlist
SQUARE D
20/20A 1P QO Tandem Circuit Breaker
42 . 99 Each
3 in Store
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20A/2P CHOM Circuit Breaker icon-wishlist
HOMELINE
20A/2P CHOM Circuit Breaker
26 . 99 Each
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Federal Pioneer Stab-Lok 20-A x 120/240 Volts CSA Approved Bipolar (NC) Circuit Breaker icon-wishlist
FEDERAL PIONEER
Federal Pioneer Stab-Lok 20-A x 120/240 Volts CSA Approved Bipolar (NC) Circuit Breaker
54 . 99 Each
1 in Store
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15-A 1P QO Circuit Breaker icon-wishlist
SQUARE D
15-A 1P QO Circuit Breaker
21 . 99 Each
4 in Store
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1-Pole Thermomagnetic Circuit Breaker icon-wishlist
SIEMENS
1-Pole Thermomagnetic Circuit Breaker
17 . 99 Each
3 in Store
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2-Pole Breaker icon-wishlist
CUTLER-HAMMER
2-Pole Breaker
28 . 99 Each
4 in Store
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Eaton Type BQL 50-Amp Double-Pole Circuit Breaker icon-wishlist
EATON
Eaton Type BQL 50-Amp Double-Pole Circuit Breaker
59 . 99 Each
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100A/2P QO Circuit Breaker icon-wishlist
SQUARE D
100A/2P QO Circuit Breaker
119 . 99 Each
1 in Store
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60A/2P CHOM Circuit Breaker icon-wishlist
HOMELINE
60A/2P CHOM Circuit Breaker
79 . 99 Each
Available Nearby
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2-Pole Breaker icon-wishlist
CUTLER-HAMMER
2-Pole Breaker
52 . 99 Each
1 in Store
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15/15A 1P QO Tandem Circuit Breaker icon-wishlist
SQUARE D
15/15A 1P QO Tandem Circuit Breaker
42 . 99 Each
4 in Store
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15-A 1P (NC) Circuit Breaker icon-wishlist
FEDERAL PIONEER
15-A 1P (NC) Circuit Breaker
33 . 99 Each
3 in Store
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Breaker - BR-Type - 15 A - Black icon-wishlist
EATON
Breaker - BR-Type - 15 A - Black
$ 103 Each
1 in Store
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2-Pole Thermomagnetic Circuit Breaker icon-wishlist
SIEMENS
2-Pole Thermomagnetic Circuit Breaker
46 . 99 Each
1 in Store
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40-A 2P QO Circuit Breaker icon-wishlist
SQUARE D
40-A 2P QO Circuit Breaker
43 . 99 Each
2 in Store
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20A/1P CHOM Circuit Breaker icon-wishlist
HOMELINE
20A/1P CHOM Circuit Breaker
14 . 49 Each
Available Nearby
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Breaker - Twin Breaker icon-wishlist
SIEMENS
Breaker - Twin Breaker
51 . 99 Each
3 in Store
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1-Pole Thermomagnetic Cicuit Breaker icon-wishlist
SIEMENS
1-Pole Thermomagnetic Cicuit Breaker
17 . 99 Each
9 in Store
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Double Pole Bolt-On Circuit Breaker icon-wishlist
CUTLER-HAMMER
Double Pole Bolt-On Circuit Breaker
$ 109 Each
1 in Store
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2-Pole Thermomagnetic Circuit Breaker icon-wishlist
SIEMENS
2-Pole Thermomagnetic Circuit Breaker
44 . 99 Each
1 in Store
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1-Pole Thermomagnetic Circuit Breaker icon-wishlist
SIEMENS
1-Pole Thermomagnetic Circuit Breaker
25 . 99 Each
1 in Store
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BR Type Ground Fault Plug-In Circuit Breaker- Single-Pole- 15A icon-wishlist
EATON
BR Type Ground Fault Plug-In Circuit Breaker- Single-Pole- 15A
$ 119 Each
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120/240 VAC 50 A BR Circuit Breaker 2 Pole Plug-In icon-wishlist
CUTLER-HAMMER
120/240 VAC 50 A BR Circuit Breaker 2 Pole Plug-In
46 . 99 Each
5 in Store
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30A/2P CHOM Circuit Breaker icon-wishlist
HOMELINE
30A/2P CHOM Circuit Breaker
31 . 99 Each
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20-A 1P (NC) Circuit Breaker icon-wishlist
FEDERAL PIONEER
20-A 1P (NC) Circuit Breaker
33 . 99 Each
1 in Store
Pick-Up Today
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100-A 2P (NC) Circuit Breaker icon-wishlist
FEDERAL PIONEER
100-A 2P (NC) Circuit Breaker
$ 229 Each
1 in Store
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Arc Fault Breaker - 120V - Black icon-wishlist
SIEMENS
Arc Fault Breaker - 120V - Black
$ 119 Each
2 in Store
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2-Pole Thermomagnetic Circuit Breaker icon-wishlist
SIEMENS
2-Pole Thermomagnetic Circuit Breaker
39 . 99 Each
1 in Store
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BREAKER icon-wishlist
SIEMENS
BREAKER
61 . 99 Each
1 in Store
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2-Pole Breaker icon-wishlist
CUTLER-HAMMER
2-Pole Breaker
57 . 99 Each
2 in Store
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2-Pole Thermomagnetic Circuit Breaker icon-wishlist
SIEMENS
2-Pole Thermomagnetic Circuit Breaker
46 . 99 Each
1 in Store
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Double Pole Bolt-On Circuit Breaker icon-wishlist
CUTLER-HAMMER
Double Pole Bolt-On Circuit Breaker
94 . 99 Each
1 in Store
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15A/2P CHOM Circuit Breaker icon-wishlist
HOMELINE
15A/2P CHOM Circuit Breaker
26 . 99 Each
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Square D 15 Amp 1-Pole Combination Arc Fault Circuit Breaker icon-wishlist
HOMELINE
Square D 15 Amp 1-Pole Combination Arc Fault Circuit Breaker
89 . 99 Each
Available Nearby
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2-Pole Breaker icon-wishlist
SIEMENS
2-Pole Breaker
$ 249 Each
Available Nearby
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60A/2P QO Circuit Breaker icon-wishlist
SQUARE D
60A/2P QO Circuit Breaker
92 . 99 Each
1 in Store
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30-A 2P QO Circuit Breaker icon-wishlist
SQUARE D
30-A 2P QO Circuit Breaker
43 . 99 Each
3 in Store
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20-A 2P QO Circuit Breaker icon-wishlist
SQUARE D
20-A 2P QO Circuit Breaker
37 . 99 Each
4 in Store
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120/240 VAC 60 A BQL Circuit Breaker 2 Pole Bolt-On icon-wishlist
CUTLER-HAMMER
120/240 VAC 60 A BQL Circuit Breaker 2 Pole Bolt-On
64 . 99 Each
Available Nearby
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Cutler-Hammer Breaker Type BR Plug-in - 40 A - 2-Pole icon-wishlist
CUTLER-HAMMER
Cutler-Hammer Breaker Type BR Plug-in - 40 A - 2-Pole
37 . 99 Each
1 in Store
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Single Pole Bolt-On Circuit Breaker icon-wishlist
CUTLER-HAMMER
Single Pole Bolt-On Circuit Breaker
44 . 99 Each
1 in Store
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120/240 VAC 15 A BR Circuit Breaker 2 Poles Plug-In icon-wishlist
CUTLER-HAMMER
120/240 VAC 15 A BR Circuit Breaker 2 Poles Plug-In
28 . 99 Each
2 in Store
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