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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

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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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
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 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
Crouse-Hinds Miniature Circuit Breakers MCBs HQP2060
CROUSE-HINDS CB Miniture Circuit Breaker Plug 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 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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Eaton Molded Case Breakers MCCBs CH340ST
EATON CH Standard Plug On Circuit Breaker
2 results
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Ubi Circuit Breaker, UBIZ Series, 70A, 2 Pole, 120/240V AC, 10kA UBIZ270
UBI UBIZ Magnetic Plug In Circuit Breaker
9 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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Connecticut Electric Circuit Breaker, QT Series, 15 to 20A, 1 Pole, 120V AC, 10kA ITEQ1520
CONNECTICUT ELECTRIC QT Duplex Plug In Circuit Breaker
3 results
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Wadsworth Miniature Circuit Breaker, UBIA Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC UBIA215NI
WADSWORTH UBIA Standard Plug In Miniature Circuit Breaker
11 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 Cutler-Hammer Circuit Breaker, BR Series, 20A, 2 Pole, 120V AC, 10kA BR2020
EATON CUTLER-HAMMER BR Duplex Plug In Circuit Breaker
2 results
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Eaton Cutler-Hammer Combination Circuit Breaker, CB Series, 15A, 1 Pole, 120V AC BRP115AF
Eaton Cutler-Hammer

Combination Circuit Breaker, CB Series, 15A, 1 Pole, 120V AC

Zoro # G711891369
Mfr # BRP115AF
product price:  $223.99
/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
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 Miniature Circuit Breaker, CB Series, 10A, 2 Pole, 120/240V AC QCR2010T
Eaton

Miniature Circuit Breaker, CB Series, 10A, 2 Pole, 120/240V AC

Zoro # G612933786
Mfr # QCR2010T
product price:  $41.55
/ea
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 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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Siemens Circuit Breaker, QP Series, 50A, 2 Pole, 120/240V AC ITEQ250
SIEMENS QP Standard Plug In Circuit Breaker
3 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
Siemens Circuit Breaker, 30A, 1 Pole ITED130
Siemens

Circuit Breaker, 30A, 1 Pole

Zoro # G4598706
Mfr # ITED130
product price:  $16.39
/ea
Square D Molded Case Breakers MCCBs EGB34070SA
Square D

Molded Case Breakers MCCBs

Zoro # G016524986
Mfr # EGB34070SA
product price:  $1,966.99
/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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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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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:  $37.51
/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
Square D Circuit Breaker, HOMT Series, 15A, 2x1, 1x2 Pole, 120/240V AC, 10kA 6721419
SQUARE D HOMT Tandem Plug In Circuit Breaker
5 results
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Maxpower Circuit Breaker, HOM Series, 15A, 2 Pole, 120/240V AC, 10kA MA858742
MAXPOWER HOMELINE Standard Plug In Circuit Breaker
2 results
table view View Items
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
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
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:  $29.75
/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
Zinsco Circuit Breaker, Zinsco Series, 15A, 2 Pole, 120/240V AC, 10kA UBIZ215B
ZINSCO Zinsco Standard Bolt On Circuit Breaker
5 results
table view View Items
No Product Image Available
GE THHQB Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
2 results
table view View Items
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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