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  1. Home
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  3. Electrical Supplies
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  5. Circuit Protection
  6. /
  7. Circuit Breakers

Circuit Breakers (244 items) - Page 7

Ubi Circuit Breaker, UBITB Series, 50A, 1 Pole, 120V AC UBITB150
UBI UBITB Standard Plug In Circuit Breaker
2 results
table view View Items
Ge Combination Circuit Breaker, THQL Series, 15A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1115AF2A
GE THQL Ground Fault Circuit Interrupter Plug In Combination Circuit Breaker
2 results
table view View Items
Square D Combination Circuit Breaker, HOM Series, 20A, 1 Pole, 120V AC, 10kA HOM120DFC
SQUARE D HOMELINE Ground Fault Circuit Interrupter Plug In Combination Circuit Breaker
4 results
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Dayton Circuit Breaker, NDB2-63 B50/3 Series, 50A, 3 Pole, 480V AC, 7.5kA at 480V AC, B Curve 5ZUU9
Dayton

Circuit Breaker, NDB2-63 B50/3 Series, 50A, 3 Pole, 480V AC, 7.5kA at 480V AC, B Curve

Zoro # G2411473
Mfr # 5ZUU9
product price:  $74.59
/ea
Maxpower Circuit Breaker, HOM Series, 15A, 1 Pole, 120V AC, 10kA MA430214
Maxpower

Circuit Breaker, HOM Series, 15A, 1 Pole, 120V AC, 10kA

Zoro # G104004826
Mfr # MA430214
product price:  $111.99
/ea
Siemens Circuit Breaker, 20A, 1 Pole ITEQ1520
Siemens

Circuit Breaker, 20A, 1 Pole

Zoro # G4598800
Mfr # ITEQ1520
product price:  $20.95
/ea
Ubi Circuit Breaker, UBIA Series, 30A, 1 Pole, 120V AC, 10kA UBIA30NI
UBI UBIA Standard Plug In Circuit Breaker
2 results
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Eaton Miniature Circuit Breaker, CB Series, 20A, 1 Pole, 120V AC QB1020AFGF
EATON CB Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
2 results
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Schneider Electric Circuit Breaker, QO Series, 40A, 1 Pole, 120/240V AC, 10kA at 120/240V AC 3062361
SCHNEIDER ELECTRIC QO Standard Plug In Circuit Breaker
2 results
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Schneider Electric Miniature Circuit Breaker, QO Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC QO245CP
Schneider Electric

Miniature Circuit Breaker, QO Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G103900396
Mfr # QO245CP
product price:  $55.15
/ea
Square D Molded Case Circuit Breaker, LA Series, 150 A, 3 Pole, 600V AC, 42kA at 120/240V AC LA36150
Square D

Molded Case Circuit Breaker, LA Series, 150 A, 3 Pole, 600V AC, 42kA at 120/240V AC

Zoro # G2618655
Mfr # LA36150
product price:  $5,054.99
/ea
Siemens Circuit Breaker, QP/MP Series, 40A, 2 Pole, 120/240V AC ITEQ240
SIEMENS QP/MP Standard Plug In Circuit Breaker
3 results
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Maxpower Combination Circuit Breaker, HOM Series, 15A, 1 Pole, 120V AC, 10kA MA429026
Maxpower

Combination Circuit Breaker, HOM Series, 15A, 1 Pole, 120V AC, 10kA

Zoro # G909771091
Mfr # MA429026
product price:  $107.99
/ea
Ge Energy Circuit Breaker, THQP Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC 646141
Ge Energy

Circuit Breaker, THQP Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G803772927
Mfr # 646141
product price:  $38.26
/ea
Eaton Miniature Circuit Breakers MCBs BR 3P 25A 240V 50/60Hz 3Ph BR325
Eaton

Miniature Circuit Breakers MCBs BR 3P 25A 240V 50/60Hz 3Ph

Zoro # G914237780
Mfr # BR325
product price:  $72.49
/ea
Eaton Cutler-Hammer Circuit Breaker, BRN Series, 20A, 1 Pole, 120/240V AC, 10kA BRN120GF
EATON CUTLER-HAMMER BRN Ground Fault Circuit Interrupter Plug In Circuit Breaker
2 results
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Eaton Molded Case Circuit Breaker, GHQ Series, 20A, 1 Pole, 277V AC, 14kA at 277V AC GHQ1020
EATON GHQ Standard Free Standing Molded Case Circuit Breaker
2 results
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Eaton Molded Case Breakers MCCBs CHH 2P 125A 240V 50/60Hz 1Ph CHH2125H4X
Eaton

Molded Case Breakers MCCBs CHH 2P 125A 240V 50/60Hz 1Ph

Zoro # G314240144
Mfr # CHH2125H4X
product price:  $303.99
/ea
Dayton Circuit Breaker, NDB2-63 B2/2 Series, 2A, 2 Pole, 480V AC, 7.5kA at 480V AC, B Curve 5ZUX1
Dayton

Circuit Breaker, NDB2-63 B2/2 Series, 2A, 2 Pole, 480V AC, 7.5kA at 480V AC, B Curve

Zoro # G3302756
Mfr # 5ZUX1
product price:  $47.59
/ea
Eaton Molded Case Breakers MCCBs EGB1015FFB
Eaton

Molded Case Breakers MCCBs

Zoro # G114238013
Mfr # EGB1015FFB
product price:  $93.39
/ea
Eaton Circuit Breaker, CB Series, 25A, 1 Pole, 120V AC BRN125GF
Eaton

Circuit Breaker, CB Series, 25A, 1 Pole, 120V AC

Zoro # G012884688
Mfr # BRN125GF
product price:  $106.99
/ea
Eaton Circuit Breaker, BRP Series, 15A, 1 Pole, 120/240V AC, 10kA BRP115GF
Eaton

Circuit Breaker, BRP Series, 15A, 1 Pole, 120/240V AC, 10kA

Zoro # G8643368
Mfr # BRP115GF
product price:  $79.95
/ea
Maxpower Circuit Breaker, QO Series, 20A, 2x1 Pole, 120/240V AC, 10kA at 120/240V AC MA108593
Maxpower

Circuit Breaker, QO Series, 20A, 2x1 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G710664513
Mfr # MA108593
product price:  $59.89
/ea
Eaton Miniature Circuit Breaker, CB Series, 7A, 1 Pole WMZS1C07
Eaton

Miniature Circuit Breaker, CB Series, 7A, 1 Pole

Zoro # G514237821
Mfr # WMZS1C07
product price:  $11.99
/ea
Eaton Din Rail Mounted Circuit Breakers FAZ-D50/1
Eaton

Din Rail Mounted Circuit Breakers

Zoro # G014240147
Mfr # FAZ-D50/1
product price:  $158.99
/ea
Dayton Circuit Breaker, NDB2-63 B50/1 Series, 50A, 1 Pole, 277V AC, 5kA at 277V AC, B Curve 5ZUW8
Dayton

Circuit Breaker, NDB2-63 B50/1 Series, 50A, 1 Pole, 277V AC, 5kA at 277V AC, B Curve

Zoro # G2899687
Mfr # 5ZUW8
product price:  $21.69
/ea
Sold in mult. of 72 for $1,561.68
Eaton Circuit Breaker, CB Series, 20A, 1 Pole, 120/240V AC, 22000A at 120/240V AC QPHW1020
Eaton

Circuit Breaker, CB Series, 20A, 1 Pole, 120/240V AC, 22000A at 120/240V AC

Zoro # G312884654
Mfr # QPHW1020
product price:  $30.89
/ea
Eaton Din Rail Mounted Circuit Breakers QCGF2050
Eaton

Din Rail Mounted Circuit Breakers

Zoro # G114236286
Mfr # QCGF2050
product price:  $304.99
/ea
Circuit Breakers (244 items) - Page 7
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About Circuit Breakers

As an integral safety feature in any electrical setup, Circuit Breakers are meticulously designed to guard wiring systems, appliances, and other electrical components against potential damage caused by electricity overloads or short circuits. These indispensable devices can be deployed across a wide range of settings - from homes and businesses to industrial plants, ensuring the safe distribution of electricity wherever it's required.

Types of Circuit Breakers

Circuit breakers, also known as breaker breakers or electrical circuit breakers, come in an array of forms and dimensions tailored for specific tasks. For instance, 1-pole circuit breakers are commonly utilized for lighter loads such as lighting circuits. On the other hand, 5 amp breaker square D types are typically employed for handling heavier loads like air conditioners. AC breakers offer enhanced protection against power surges compared to standard electric circuit breakers.

The Making of Circuit Breakers

The fabrication process of a circuit breaker involves the use of various materials including copper wire and conductive metals that form the internal components tasked with detecting an overload or short circuit situation. A spring-loaded switch is subsequently linked to these contacts enabling it to trip when the current surpasses its designated limit.

Fuses and Circuit Breaker Integration

A key tip when using your circuit breaker is understanding how fuses integrate into this system. Fuses act as sacrificial lambs that blow out when there's a surge in power protecting your overall electrical setup from damage.

Circuit Breaker Applications Across Industries

Circuit Breaker applications span across a variety of industries such as manufacturing plants, power plants, oil refineries, aerospace facilities, automotive shops, and more. Professionals working with these high-powered machines heavily rely on circuit breakers to safeguard their equipment from potential damage caused by electrical surges or short circuits.

Find the Circuit Breaker You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of electrical supplies, along with other tools or equipment to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time. Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

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circuit breaker thqlcarling breakerscircuit breaker br seriesnavien npe-240a2square d 40 amp
90 amp breakercircuit breaker 200 ampc series circuit breakerge 30 amp breakereaton 200 amp breaker

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