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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 6

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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Zinsco Circuit Breaker, Zinsco Series, 125A, 2 Pole, 120/240V AC, 10kA UBIZ2125B
ZINSCO Zinsco Standard Bolt On Circuit Breaker
5 results
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Siemens Circuit Breaker, 5SY6 Series, 20A, 3+N Pole, 400V AC, 6kA at 400V AC, B Curve 5SY66206
SIEMENS 5SY6 Motor Circuit Protection Surface Mount/DIN Rail Circuit Breaker
2 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
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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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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Crouse-Hinds Miniature Circuit Breakers MCBs HQP2060
Crouse-Hinds

Miniature Circuit Breakers MCBs

Zoro # G114236521
Mfr # HQP2060
product price: 
$155.99
/ea
Eaton Miniature Circuit Breakers MCBs GFTCB230
EATON CB Ground Fault Circuit Interrupter Plug On Miniature Circuit Breaker
8 results
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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
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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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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Siemens Miniature Circuit Breaker, BQH Series, 30A, 2 Pole, 240V AC, 10kA at 240V AC BQ2H030
SIEMENS BQH Standard Bolt On Miniature Circuit Breaker
3 results
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Te Connectivity Circuit Breaker, W6 Series, 25A, 2 Pole, 240/250/415V AC, 5kA at 277V AC 2-1393253-3
TE CONNECTIVITY W6 Magnetic Surface Mount/DIN Rail Circuit Breaker
7 results
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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
Square D Combination Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC 6473250
Square D

Combination Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G203921000
Mfr # 6473250
product price: 
$48.45
/ea
Square D Miniature Circuit Breaker, E FRAME Series, 50A, 1 Pole, 277V AC, 25kA at 120V AC EDB14050EPD
SQUARE D E FRAME Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
8 results
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Te Connectivity Circuit Breaker, W2 Series, 15A, 1 Pole, 240V AC, 1kA at 120V AC/50V DC 6-1393246-6
TE CONNECTIVITY W2 Thermal Surface Mount/DIN Rail Circuit Breaker
5 results
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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
Square D Miniature Circuit Breaker, HOMELINE Series, 30A, 2 Pole, 240V AC, 10kA at 240V AC, B Curve HOM230EPD
SQUARE D HOMELINE Ground Fault Protecting Class B 30 mA Plug In Miniature 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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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
Ge Miniature Circuit Breaker, THQB Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQB1120AF2
GE THQB Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
2 results
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Eaton Miniature Circuit Breakers MCBs CH 2P 70A 240V 50/60Hz 1Ph CH270
EATON CH Miniture Circuit Breaker Plug On Miniature Circuit Breaker
2 results
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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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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
Connecticut Electric Circuit Breaker, QT Series, 15A, 1 Pole, 120V AC, 10kA ITEQ1515NC
CONNECTICUT ELECTRIC QT Duplex Plug In Circuit Breaker
3 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: 
$47.89
/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: 
$62.15
/ea
Te Connectivity Circuit Breaker, W3 Series, 7.5A, 1 Pole, 240V AC, 1kA at 120V AC/50V DC 4-1393247-4
TE CONNECTIVITY W3 Thermal Surface Mount/DIN Rail Circuit Breaker
3 results
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Eaton Cutler-Hammer Circuit Breaker, BRP Series, 15A, 1 Pole, 120/240V AC, 10kA BRP115GF
EATON CUTLER-HAMMER BRP Ground Fault Circuit Interrupter Plug In Circuit Breaker
2 results
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Te Connectivity Circuit Breaker, W5 Series, 8A, 1 Pole, 250V AC, 2kA at 50V DC 2-1393249-2
TE CONNECTIVITY W5 Thermal Surface Mount/DIN Rail Circuit Breaker
8 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
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
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
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: 
$32.99
/ea
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: 
$75.59
/ea
Circuit Breakers (244 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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