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

Circuit Breakers (245 items) - Page 5

Ge Molded Case Circuit Breaker, FBN Series, 45A, 1 Pole, 347/600V AC, 65kA at 480V AC FBN16TE045R
GE FBN Standard Free Standing Molded Case Circuit Breaker
39 results
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Ge Molded Case Circuit Breaker, THED Series, 30A, 2 Pole, 480V AC, 25kA at 480V AC THED124030WL
GE THED Standard Plug In Molded Case Circuit Breaker
10 results
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Carling Technologies Circuit Breaker, M Series, 5A, 1 Pole, 250V AC, 1.5kA at 120V AC, C Curve MM1-B-34-450-1-12B-B-E
CARLING TECHNOLOGIES M Magnetic Plug In Circuit Breaker
7 results
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Appleton Electric Hazardous Location Circuit Breaker, AE Series, 175A, 2 Pole, 600V AC, 65kA at 240V AC AEEB22617C
APPLETON ELECTRIC AE Standard Bolt On Hazardous Location Circuit Breaker
14 results
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Siemens Miniature Circuit Breaker, BLE Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC BE260
SIEMENS BLE Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
13 results
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Square D Combination Circuit Breaker, HOM Series, 20A, 1 Pole, 120V AC, 10kA HOM120PDFC
SQUARE D HOMELINE Ground Fault Circuit Interrupter Plug In Combination Circuit Breaker
4 results
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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
Schneider Electric Circuit Breaker, HOM Series, 50A, 2 Pole, 120/240V AC, 10kA 3205606
SCHNEIDER ELECTRIC HOMELINE Standard 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
No Product Image Available
GE THHQB Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
2 results
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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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Eaton Miniature Circuit Breakers MCBs QBGF 1P 20A 240V 50/60Hz 1Ph QBGFEP1020
EATON CKT Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
4 results
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Connecticut Electric Circuit Breaker, Zinsco Series, 20A, 1 Pole, 120V AC, 10kA UBIZ20B
CONNECTICUT ELECTRIC Zinsco Standard Bolt On Circuit Breaker
9 results
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Square D Miniature Circuit Breaker, E FRAME Series, 20A, 1 Pole, 277V AC, 25kA at 120V AC EDB14020EPD
SQUARE D E FRAME Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
8 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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Siemens Molded Case Circuit Breaker, JXD2-A Series, 400A, 2 Pole, 240V AC, 65kA at 240V AC JXD22B400
SIEMENS JXD2-A Standard Free Standing Molded Case Circuit Breaker
12 results
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Siemens Molded Case Circuit Breaker, HED4 Series, 35A, 2 Pole, 480V AC, 42kA at 480V AC HED42B035
SIEMENS HED4 Standard Bolt On Molded Case Circuit Breaker
12 results
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Wadsworth Miniature Circuit Breaker, UBIA Series, 15A, 1 Pole, 120/240V AC, 10kA at 120V AC UBIA15NI
WADSWORTH UBIA Standard Plug In Miniature Circuit Breaker
11 results
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Square D Molded Case Circuit Breaker, LA Series, 175 A, 3 Pole, 600V AC, 42kA at 120/240V AC LA36175
SQUARE D LA Standard I-Line Molded Case Circuit Breaker
2 results
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Ge Miniature Circuit Breaker, THHQC Series, 45A, 1 Pole, 120/240V AC, 22kA at 120/240V AC THHQC1145WL
GE THHQC Standard Surface Mount/DIN Rail Miniature Circuit Breaker
17 results
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Industrial C & S Circuit Breaker, THQP Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQP220
INDUSTRIAL C & S THQP Standard Plug In Circuit Breaker
11 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: 
$75.59
/ea
Eaton Miniature Circuit Breakers MCBs QBH 1P 20A 240V 50/60Hz 1Ph QBHGFT1020
EATON CB Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
2 results
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Eaton Molded Case Breakers MCCBs EGB1015FFB
Eaton

Molded Case Breakers MCCBs

Zoro # G114238013
Mfr # EGB1015FFB
product price: 
$93.39
/ea
Te Connectivity Circuit Breaker, W9 Series, 7A, 2 Pole, 277V AC, 5kA at 277V AC 8-1393254-4
TE CONNECTIVITY W9 Magnetic Surface Mount/DIN Rail Circuit Breaker
12 results
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Eaton Molded Case Circuit Breaker, JD Series, 200A, 3 Pole, 600V AC, 65kA at 240V AC JD3200
EATON JD Standard Free Standing Molded Case Circuit Breaker
4 results
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Ubi Circuit Breaker, UBITB Series, 40A, 1 Pole, 120V AC UBITB140
UBI UBITB Standard Plug In Circuit Breaker
2 results
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Te Connectivity Circuit Breaker, W2 Series, 10A, 1 Pole, 240V AC, 1kA at 120V AC/50V DC 6-1393246-5
TE CONNECTIVITY W2 Thermal Surface Mount/DIN Rail Circuit Breaker
5 results
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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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Crouse-Hinds Miniature Circuit Breakers MCBs HQP2060
Crouse-Hinds

Miniature Circuit Breakers MCBs

Zoro # G114236521
Mfr # HQP2060
product price: 
$155.99
/ea
Te Connectivity Circuit Breaker, W6 Series, 7A, 2 Pole, 240/250/415V AC, 5kA at 277V AC 6-1423698-9
TE CONNECTIVITY W6 Magnetic Surface Mount/DIN Rail Circuit Breaker
7 results
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Schneider Electric Circuit Breaker, QO Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC 3062387
SCHNEIDER ELECTRIC QO Standard Plug In Circuit Breaker
2 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
Square D Miniature Circuit Breaker, HOMELINE Series, 20A, 2 Pole, 240V AC, 10kA at 240V AC, B Curve HOM220EPD
SQUARE D HOMELINE Ground Fault Protecting Class B 30 mA Plug In Miniature Circuit Breaker
3 results
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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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Te Connectivity Circuit Breaker, W5 Series, 5A, 1 Pole, 250V AC, 1kA at 250V AC/50V DC 1-1423364-2
TE CONNECTIVITY W5 Thermal Surface Mount/DIN Rail Circuit Breaker
8 results
View Items
Circuit Breakers (245 items) - Page 5
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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 breakers &c series circuit breaker90 amp breakermolded case breakereaton 200 amp breaker

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