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

Circuit Breakers (246 items) - Page 7

Ubi Circuit Breaker, UBIA Series, 60A, 2 Pole, 120/240V AC, 10kA UBIA260NI
UBI UBIA Standard Plug In Circuit Breaker
2 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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Industrial C & S Combination Circuit Breaker, THQL Series, 15A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1115DFP
Industrial C & S

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

Zoro # G008284386
Mfr # THQL1115DFP
product price: 
$143.99
/ea
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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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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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
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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Square D Molded Case Circuit Breaker, QD Series, 70 A, 2 Pole, 240V AC, 25kA at 240V AC QDA220704
SQUARE D QD Standard I-Line Molded Case Circuit Breaker
4 results
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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
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 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
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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Schneider Electric Miniature Circuit Breaker, QO Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC QO245CP
Schneider Electric

Miniature Circuit Breaker, QO Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G103900396
Mfr # QO245CP
product price: 
$55.15
/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
Schneider Electric Miniature Circuit Breaker, HOMT Series, 15 to 20A, 1 Pole, 120/240V AC, 10kA HOMT1520CP
Schneider Electric

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

Zoro # G2691321
Mfr # HOMT1520CP
product price: 
$24.55
/ea
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
Eaton Miniature Circuit Breakers MCBs BD 1P 20A/30A 240V 50/60Hz 1Ph BD2030
EATON CB Duplex Plug On Miniature Circuit Breaker
2 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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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 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
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
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: 
$60.25
/ea
Eaton Molded Case Breakers MCCBs EGB1015FFB
Eaton

Molded Case Breakers MCCBs

Zoro # G114238013
Mfr # EGB1015FFB
product price: 
$93.39
/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
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
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
Square D Molded Case Breakers MCCBs EGB34070SA
Square D

Molded Case Breakers MCCBs

Zoro # G016524986
Mfr # EGB34070SA
product price: 
$2,048.99
/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: 
$68.19
/ea
Eaton Din Rail Mounted Circuit Breakers QCGF2050
Eaton

Din Rail Mounted Circuit Breakers

Zoro # G114236286
Mfr # QCGF2050
product price: 
$304.99
/ea
Crouse-Hinds Miniature Circuit Breakers MCBs BR2100
CROUSE-HINDS CB Miniture Circuit Breaker Plug On Miniature Circuit Breaker
2 results
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Circuit Breakers (246 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.

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circuit breakers &c series circuit breaker90 amp breakermolded case breakereaton 200 amp breaker

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