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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 7

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 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
Square D Combination Circuit Breaker, HOM Series, 25A, 2 Pole, 120/240V AC, 10kA SQ569536
Square D

Combination Circuit Breaker, HOM Series, 25A, 2 Pole, 120/240V AC, 10kA

Zoro # G410770231
Mfr # SQ569536
product price: 
$65.49
/ea
Eaton Cutler-Hammer Circuit Breaker, BR Series, 20A, 2 Pole, 120V AC, 10kA BR2020
EATON CUTLER-HAMMER BR Duplex Plug In Circuit Breaker
2 results
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Eaton Molded Case Circuit Breaker, JD Series, 250A, 3 Pole, 600V AC, 65kA at 240V AC JD3250
EATON JD Standard Free Standing Molded Case Circuit Breaker
4 results
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No Product Image Available
GE THHQB Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
2 results
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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
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Eaton Miniature Circuit Breakers MCBs GF 2P 40A 240V 50/60Hz 1Ph EA GFTCB240
Eaton

Miniature Circuit Breakers MCBs GF 2P 40A 240V 50/60Hz 1Ph EA

Zoro # G216106975
Mfr # GFTCB240
product price: 
$156.99
/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
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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Eaton Molded Case Circuit Breaker, DK Series, 300A, 3 Pole, 240V AC, 65kA at 240V AC DK3300
Eaton

Molded Case Circuit Breaker, DK Series, 300A, 3 Pole, 240V AC, 65kA at 240V AC

Zoro # G3731850
Mfr # DK3300
product price: 
$3,251.99
/ea
Eaton Miniature Circuit Breaker, CH Series, 40A, 240V AC CH340
EATON CH Miniture Circuit Breaker Plug On Miniature Circuit Breaker
2 results
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Square D Circuit Breaker, HOMT Series, 20A, 1 Pole, 120/240V AC, 10kA 6721278
SQUARE D HOMT Tandem Plug In Circuit Breaker
4 results
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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: 
$36.95
/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
Maxpower Circuit Breaker, HOM Series, 15A, 1 Pole, 120/240V AC, 10kA MA668077
MAXPOWER HOMELINE Standard Plug In Circuit Breaker
2 results
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Siemens Miniature Circuit Breaker, BAF Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC B215AF
Siemens

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

Zoro # G0907331
Mfr # B215AF
product price: 
$485.99
/ea
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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Maxpower Miniature Circuit Breaker, HOM Series, 30A, 2 Pole, 120/240V AC, 10kA MA837888
Maxpower

Miniature Circuit Breaker, HOM Series, 30A, 2 Pole, 120/240V AC, 10kA

Zoro # G703921029
Mfr # MA837888
product price: 
$40.75
/ea
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
Eaton Circuit Breaker, Type BAB Series, 32A, 3 Pole, 240V AC BAB3035H
Eaton

Circuit Breaker, Type BAB Series, 32A, 3 Pole, 240V AC

Zoro # G014236218
Mfr # BAB3035H
product price: 
$171.99
/ea
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: 
$110.99
/ea
Siemens Circuit Breaker, 5SY4 Series, 32A, 3+N Pole, 400V AC, 10kA at 400V AC, D Curve 5SY46328
SIEMENS 5SY4 Motor Circuit Protection Surface Mount/DIN Rail Circuit Breaker
2 results
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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
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
Square D Circuit Breaker, Homeline Series, 20A, 2 Pole, 240V AC 34031
Square D

Circuit Breaker, Homeline Series, 20A, 2 Pole, 240V AC

Zoro # G703896372
Mfr # 34031
product price: 
$67.35
/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
Standard10 Circuit Breaker, THQL Series, 15A, 1 Pole, 120/240V AC, 10kA at 120/240V AC ST574785
Standard10

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

Zoro # G109834701
Mfr # ST574785
product price: 
$112.99
/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 (245 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.

Related Categories

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FusesCable Routing & ConduitPower Wire & CableWire Connectors & TerminalsStraight Blade Devices
carling breakers90 amp breakercircuit breaker 250 ampsiemens mini circuit breakernavien npe-240a2
bl breakermolded case breakercircuit breakers &ge 30 amp breakertype ch breaker

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