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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 (245 items) - Page 6

Industrial C & S Thermal Magnetic Circuit Breaker, THQL Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1120GFTP
INDUSTRIAL C & S THQL Ground Fault Circuit Interrupter Plug In Circuit Breaker
2 results
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Eaton Miniature Circuit Breaker, CB Series, 10A, 2 Pole, 120/240V AC QCR2010T
Eaton

Miniature Circuit Breaker, CB Series, 10A, 2 Pole, 120/240V AC

Zoro # G612933786
Mfr # QCR2010T
product price: 
$41.55
/ea
Siemens Circuit Breaker, QP Series, 35A, 2 Pole, 120/240V AC ITEQ235
SIEMENS QP Standard Plug In Circuit Breaker
3 results
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Eaton Molded Case Circuit Breaker, LG Series, 350A, 3 Pole, 600V AC, 65kA at 240V AC LGE3350FAG
EATON LG Standard Free Standing Molded Case Circuit Breaker
8 results
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Square D Molded Case Circuit Breaker, QD Series, 225 A, 2 Pole, 240V AC, 25kA at 240V AC QDA222254
SQUARE D QD Standard I-Line Molded Case Circuit Breaker
4 results
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Eaton Cutler-Hammer Circuit Breaker, BD Series, 20A, 1 Pole, 120V AC, 10kA BD2020
EATON CUTLER-HAMMER BD Duplex Plug In Circuit Breaker
2 results
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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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Schneider Electric Miniature Circuit Breaker, HOM Series, 30A, 1 Pole, 120/240V AC, 10kA 3205572
Schneider Electric

Miniature Circuit Breaker, HOM Series, 30A, 1 Pole, 120/240V AC, 10kA

Zoro # G610536651
Mfr # 3205572
product price: 
$29.75
/ea
Maxpower Miniature Circuit Breaker, HOMT Series, 15 to 20A, 1 Pole, 120/240V AC, 10kA MA947374
Maxpower

Miniature Circuit Breaker, HOMT Series, 15 to 20A, 1 Pole, 120/240V AC, 10kA

Zoro # G603896687
Mfr # MA947374
product price: 
$44.15
/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: 
$48.29
/ea
Ge Electrical Circuit Breaker, THQP Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC GE386852
Ge Electrical

Circuit Breaker, THQP Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G909845310
Mfr # GE386852
product price: 
$46.85
/ea
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
Siemens Circuit Breaker, 20A, 1 Pole ITEQ1520
Siemens

Circuit Breaker, 20A, 1 Pole

Zoro # G4598800
Mfr # ITEQ1520
product price: 
$20.95
/ea
Siemens Circuit Breaker, 5SY6 Series, 50A, 3 Pole, 400V AC, 5kA at 400V AC, B Curve 5SY63506
SIEMENS 5SY6 Motor Circuit Protection Surface Mount/DIN Rail Circuit Breaker
2 results
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Eaton Combination Circuit Breaker, BR Series, 15A, 1 Pole, 120V AC, 10kA BRP115AF
EATON BR Ground Fault Circuit Interrupter Plug In Combination Circuit Breaker
3 results
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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 Cutler-Hammer Circuit Breaker, BRN Series, 15A, 1 Pole, 120/240V AC, 10kA BRN115GF
EATON CUTLER-HAMMER BRN Ground Fault Circuit Interrupter Plug In Circuit Breaker
2 results
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Siemens Miniature Circuit Breaker, BQH Series, 20A, 2 Pole, 240V AC, 10kA at 240V AC BQ2H020
SIEMENS BQH Standard Bolt On Miniature Circuit Breaker
3 results
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Maxpower Miniature Circuit Breaker, QO Series, 20A, 2x1 Pole, 120/240V AC, 10kA at 120/240V AC MA421269
Maxpower

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

Zoro # G009788234
Mfr # MA421269
product price: 
$146.99
/ea
Appleton Electric Circuit Breaker, AE Series, 125A, 2 Pole, 600V AC, 65kA at 240V AC AEFB42612C
APPLETON ELECTRIC AE Standard Bolt On Circuit Breaker
6 results
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Eaton Molded Case Circuit Breaker, LD Series, 400A, 3 Pole, 600V AC, 65kA at 240V AC LD3400
EATON LD Standard Free Standing Molded Case Circuit Breaker
3 results
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Siemens Miniature Circuit Breaker, BFH Series, 60A, 2 Pole, 120/240V AC, 22kA at 120/240V AC BF260H
SIEMENS BFH Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
2 results
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Zinsco Circuit Breaker, Zinsco Series, 80A, 2 Pole, 120/240V AC, 10kA UBIZ280B
ZINSCO Zinsco Standard Bolt On Circuit Breaker
5 results
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Te Connectivity Circuit Breaker, W3 Series, 30A, 1 Pole, 240V AC, 1kA at 240V AC/50V DC 3-1393247-8
TE CONNECTIVITY W3 Thermal Surface Mount/DIN Rail Circuit Breaker
3 results
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Eaton Miniature Circuit Breakers MCBs 1P 15A 240V EA CHFGFT115PN
Eaton

Miniature Circuit Breakers MCBs 1P 15A 240V EA

Zoro # G416106515
Mfr # CHFGFT115PN
product price: 
$39.45
/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
Siemens Miniature Circuit Breaker, BAFH Series, 15A, 2 Pole, 120/240V AC, 22kA at 120/240V AC B215AFH
Siemens

Miniature Circuit Breaker, BAFH Series, 15A, 2 Pole, 120/240V AC, 22kA at 120/240V AC

Zoro # G3055272
Mfr # B215AFH
product price: 
$897.99
/ea
Ge Combination Circuit Breaker, THQL Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1120AF2A
GE THQL Ground Fault Circuit Interrupter Plug In Combination Circuit Breaker
2 results
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Eaton Molded Case Circuit Breaker, HKD Series, 400A, 3 Pole, 600V AC, 100kA at 240V AC HKD3400
EATON HKD Standard Free Standing Molded Case Circuit Breaker
3 results
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Siemens Circuit Breaker, 30A, 1 Pole ITED130
Siemens

Circuit Breaker, 30A, 1 Pole

Zoro # G4598706
Mfr # ITED130
product price: 
$16.39
/ea
Eaton Miniature Circuit Breakers MCBs CH260
EATON CH Standard Plug On Circuit Breaker
3 results
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Eaton Cutler-Hammer Thermal Magnetic Circuit Breaker, BR Series, 15A, 1 Pole, 120/240V AC, 10kA BR1515
EATON CUTLER-HAMMER BR Duplex Plug In 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
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: 
$38.25
/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 Breakers MCBs BR 2P 70A 240V 50/60Hz 1Ph BRHH270
Eaton

Miniature Circuit Breakers MCBs BR 2P 70A 240V 50/60Hz 1Ph

Zoro # G414241799
Mfr # BRHH270
product price: 
$141.99
/ea
Circuit Breakers (245 items) - Page 6
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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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