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

Circuit Breakers (246 items) - Page 3

Siemens Miniature Circuit Breaker, BQD Series, 30A, 3 Pole, 480V AC, 14kA at 480V AC BQD330
SIEMENS BQD Standard Bolt On Miniature Circuit Breaker
39 results
table view View Items
Ge Circuit Breaker, THQL Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1120GFTA
GE THQL Ground Fault Circuit Interrupter Plug In Circuit Breaker
4 results
table view View Items
Dayton Circuit Breaker, NDB2-63 C63/3 Series, 63A, 3 Pole, 480V AC, 7.5kA at 480V AC, C Curve 5ZVD2
Dayton

Circuit Breaker, NDB2-63 C63/3 Series, 63A, 3 Pole, 480V AC, 7.5kA at 480V AC, C Curve

Zoro # G1787667
Mfr # 5ZVD2
product price:  $70.99
/ea
Eaton Molded Case Circuit Breaker, HMCP Series, 150A, 3 Pole, 600V AC, 65kA at 600V AC HMCP150U4C
EATON HMCP Standard Free Standing Molded Case Circuit Breaker
26 results
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Carling Technologies Circuit Breaker, M Series, 5A, 1 Pole, 250V AC, 1.5kA at 120V AC, C Curve MA1-B-34-450-1-A26-B-E
CARLING TECHNOLOGIES M Magnetic Plug In Circuit Breaker
7 results
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Eaton Miniature Circuit Breaker, CKT Series, 30A, 1 Pole QBHW1030
EATON CKT Miniture Circuit Breaker Bolt On Miniature Circuit Breaker
11 results
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Siemens Molded Case Circuit Breaker, ED4 Series, 100A, 3 Pole, 480V AC, 18kA at 480V AC ED43B100
SIEMENS ED4 Standard Bolt On Molded Case Circuit Breaker
42 results
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Square D Miniature Circuit Breaker, HOMELINE Series, 20A, 1 Pole, 120V AC, 10kA at 120/240V AC QO120CAFI
SQUARE D HOMELINE Combination ARC Fault Plug In Miniature Circuit Breaker
7 results
table view View Items
Siemens Circuit Breaker, 30A, 1 Pole ITED130
Siemens

Circuit Breaker, 30A, 1 Pole

Zoro # G4598706
Mfr # ITED130
product price:  $17.49
/ea
Eaton Circuit Breaker, CH Series, 15A, 1 Pole, 120/240V AC, 10kA CHFN115AF
EATON CH Ground Fault Circuit Interrupter Plug In Circuit Breaker
6 results
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Eaton Din Rail Mounted Circuit Breakers FAZ-D50/1
Eaton

Din Rail Mounted Circuit Breakers

Zoro # G014240147
Mfr # FAZ-D50/1
product price:  $158.99
/ea
Dayton Circuit Breaker, NDB2-63 B25/3 Series, 25A, 3 Pole, 480V AC, 7.5kA at 480V AC, B Curve 5ZUY7
Dayton

Circuit Breaker, NDB2-63 B25/3 Series, 25A, 3 Pole, 480V AC, 7.5kA at 480V AC, B Curve

Zoro # G1999882
Mfr # 5ZUY7
product price:  $69.29
/ea
Eaton Molded Case Circuit Breaker, HJD Series, 250A, 3 Pole, 600V AC, 100kA at 240V AC HJD3250
EATON HJD Standard Free Standing Molded Case Circuit Breaker
2 results
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Square D Miniature Circuit Breaker, E FRAME Series, 20A, 3 Pole, 277/480V AC, 25kA at 120V AC EDB34020SA
SQUARE D E FRAME Shunt Trip Bolt On Miniature Circuit Breaker
22 results
table view View Items
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
table view View Items
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
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:  $70.99
/ea
Eaton Circuit Breaker, 20A, 1 Pole BRN120DF
EATON BR Ground Fault Circuit Interrupter Plug On Circuit Breaker
2 results
table view View Items
Siemens Circuit Breaker, 20A, 1 Pole ITEQ1520
Siemens

Circuit Breaker, 20A, 1 Pole

Zoro # G4598800
Mfr # ITEQ1520
product price:  $20.95
/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:  $13.39
/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:  $65.25
/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
table view View Items
Dayton Circuit Breaker, NDB2-63 C10/1 Series, 10A, 1 Pole, 277V AC, 5kA at 277V AC, C Curve 5ZUZ4
Dayton

Circuit Breaker, NDB2-63 C10/1 Series, 10A, 1 Pole, 277V AC, 5kA at 277V AC, C Curve

Zoro # G3192743
Mfr # 5ZUZ4
product price:  $25.99
/ea
Dayton Circuit Breaker, NDB2-63 D50/3 Series, 50A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve 5ZVG4
Dayton

Circuit Breaker, NDB2-63 D50/3 Series, 50A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve

Zoro # G0886112
Mfr # 5ZVG4
product price:  $70.99
/ea
Siemens Circuit Breaker, 5SY6 Series, 6A, 2 Pole, 400V AC, 5kA at 400V AC, C Curve 5SY62067
SIEMENS 5SY6 Supplementary Protector Surface Mount/DIN Rail Circuit Breaker
79 results
table view View Items
Connecticut Electric Miniature Circuit Breaker, QC Series, 125A, 2 Pole, 120/240V AC, 12kA at 120/240V AC UBIZ2125-1
CONNECTICUT ELECTRIC QC Standard Plug In Miniature Circuit Breaker
2 results
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Square D Miniature Circuit Breaker, HOMT Series, 20A, 1 Pole, 120/240V AC, 10kA HOMT2020CP
SQUARE D HOMT Tandem Plug In Miniature Circuit Breaker
5 results
table view View Items
Optifuse Circuit Breaker, 353 Series, 25 to 300A, 3kA at 48V DC 353100
OPTIFUSE 353 High Amperage Heavy Duty Circuit Breakers Surface Mount/DIN Rail Circuit Breaker
15 results
table view View Items
Optifuse Circuit Breaker, 153 Series, 25 to 200A, 3kA at 42V DC 153150
OPTIFUSE 153 High Amperage Heavy Duty Circuit Breakers Surface Mount/DIN Rail Circuit Breaker
13 results
table view View Items
Zinsco Miniature Circuit Breaker, UBIZ Series, 15/15A, 1 Pole, 120/240V AC, 10kA at 120V AC UBIZ1515
ZINSCO UBIZ Tandem Plug In Miniature Circuit Breaker
2 results
table view View Items
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
table view View Items
Eaton Miniature Circuit Breakers MCBs 1P 15A 240V BR370
EATON CB Miniture Circuit Breaker Plug On Miniature Circuit Breaker
35 results
table view View Items
Ge Industrial Solutions Circuit Breaker, THQL Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQL2130
GE INDUSTRIAL SOLUTIONS THQL Standard Plug In Circuit Breaker
14 results
table view View Items
No Product Image Available
GE THQL Plug In Plug In Molded Case Circuit Breaker
7 results
table view View Items
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
table view View Items
Square D Miniature Circuit Breaker, QO Series, 30A, 1 Pole, 120/240V AC, 10kA at 120/240V AC QOB130HID
SQUARE D QO High Intensity Discharge Bolt On Miniature Circuit Breaker
8 results
table view View Items
Circuit Breakers (246 items) - Page 3
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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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ge 125 amp breakereaton miniature circuit breakerbl breakercircuit breaker br seriescircuit breaker 200 amp
eaton 100 amp breakercircuit breakers 2 polesquare d 40 ampcircuit breaker thqlc series circuit breaker

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