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  1. Home
  2. /
  3. Electrical Supplies
  4. /
  5. Circuit Protection
  6. /
  7. Circuit Breakers

Circuit Breakers (246 items) - Page 6

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
Square D Combination Circuit Breaker, HOM Series, 15A, 1 Pole, 120V AC, 10kA 6562789
SQUARE D HOMELINE Ground Fault Circuit Interrupter Plug In Combination Circuit Breaker
4 results
table view View Items
Siemens Miniature Circuit Breaker, BQH Series, 80A, 3 Pole, 240V AC, 22kA at 240V AC BQ3B080H00S01
SIEMENS BQH Shunt Trip Bolt On Miniature Circuit Breaker
9 results
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Eaton Miniature Circuit Breaker, CB Series, 15KA, 277V AC FAZ-B16/1N
EATON CB Miniture Circuit Breaker Din Rail Miniature Circuit Breaker
6 results
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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 Miniature Circuit Breakers MCBs QPH 1P 20A 240V 50/60Hz 1Ph QPHGFEP1020
EATON CB Ground Fault Circuit Interrupter Plug On Miniature Circuit Breaker
8 results
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Eaton Molded Case Circuit Breaker, HKD Series, 600A, 3 Pole, 600V AC, 100kA at 240V AC HLD3600
EATON HKD Standard Free Standing Molded Case Circuit Breaker
3 results
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Ubi Circuit Breaker, UBIP Series, 15 to 20A, 2 Pole, 120V AC, 10kA UBIP1520
UBI UBIP Standard Bolt On Circuit Breaker
3 results
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Eaton Molded Case Breakers MCCBs 2P 50A EGS2050FFB
Eaton

Molded Case Breakers MCCBs 2P 50A

Zoro # G414241836
Mfr # EGS2050FFB
product price: 
$321.99
/ea
Square D Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 10kA at 120/240V AC QO120CAFIC
SQUARE D QO Ground Fault Circuit Interrupter Plug In Circuit Breaker
2 results
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Schneider Electric Miniature Circuit Breaker, QO Series, 15 to 20A, 1x1, 1x1 Pole, 120/240V AC, 10kA at 120/240V AC QOT1520CP
Schneider Electric

Miniature Circuit Breaker, QO Series, 15 to 20A, 1x1, 1x1 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G9451621
Mfr # QOT1520CP
product price: 
$37.49
/ea
Eaton Molded Case Circuit Breaker, KD Series, 400A, 3 Pole, 600V AC, 65kA at 240V AC KD3400
EATON KD Standard Free Standing Molded Case Circuit Breaker
4 results
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Eaton Molded Case Circuit Breaker, LD Series, 500A, 3 Pole, 600V AC, 65kA at 240V AC LD3500
EATON LD Standard Free Standing Molded Case Circuit Breaker
3 results
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Soundwave Circuit Breaker, BR Series, 30A, 2 Pole, 120/240V AC, 10kA SO435482
Soundwave

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

Zoro # G609845184
Mfr # SO435482
product price: 
$63.65
/ea
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
Ubi Circuit Breaker, UBIF Series, 100A, 2 Pole, 120/240V AC, 10kA UBIF2100N
UBI UBIF Standard Plug In Circuit Breaker
5 results
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Schneider Electric Circuit Breaker, HOM Series, 15A, 1 Pole, 120V AC, 10kA 3119021
Schneider Electric

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

Zoro # G610635552
Mfr # 3119021
product price: 
$98.89
/ea
Eaton Molded Case Circuit Breaker, LG Series, 500A, 3 Pole, 600V AC, 100kA at 480V AC LGH3500FAG
EATON LG Standard Free Standing Molded Case Circuit Breaker
8 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 CH2100
Eaton

Miniature Circuit Breakers MCBs

Zoro # G016524795
Mfr # CH2100
product price: 
$169.99
/ea
Eaton Molded Case Circuit Breaker, JD Series, 225A, 3 Pole, 600V AC, 65kA at 240V AC JD3225
EATON JD Standard Free Standing Molded Case Circuit Breaker
4 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
Siemens Circuit Breaker, 20A, 1 Pole ITEQ1520
Siemens

Circuit Breaker, 20A, 1 Pole

Zoro # G4598800
Mfr # ITEQ1520
product price: 
$20.95
/ea
Square D Miniature Circuit Breaker, E FRAME Series, 30A, 1 Pole, 277V AC, 25kA at 120V AC EDB14030EPD
SQUARE D E FRAME Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
8 results
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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 Breakers MCCBs CH340ST
EATON CH Standard Plug On 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
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
Siemens Circuit Breaker, 5SY4 Series, 2A, 3+N Pole, 400V AC, 10kA at 400V AC, A Curve 5SY46025
SIEMENS 5SY4 Motor Circuit Protection Surface Mount/DIN Rail Circuit Breaker
2 results
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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
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 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 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
Eaton Circuit Breaker, BRN Series, 15A, 1 Pole, 120/240V AC, 10kA BRN115GF
Eaton

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

Zoro # G8653789
Mfr # BRN115GF
product price: 
$94.85
/ea
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 Circuit Breaker, CB Series, 20A, 1 Pole, 120/240V AC BR120AF
EATON BR Ground Fault Circuit Interrupter Plug On Circuit Breaker
3 results
table view View Items
Circuit Breakers (246 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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