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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 7

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 Molded Case Circuit Breaker, KD Series, 250A, 3 Pole, 600V AC, 65kA at 240V AC KD3250
EATON KD Standard Free Standing Molded Case Circuit Breaker
4 results
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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
Siemens Circuit Breaker, 5SY4 Series, 32A, 3+N Pole, 400V AC, 10kA at 400V AC, D Curve 5SY46328
SIEMENS 5SY4 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 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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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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Eaton Miniature Circuit Breakers MCBs GF 2P 40A 240V 50/60Hz 1Ph EA GFTCB240
Eaton

Miniature Circuit Breakers MCBs GF 2P 40A 240V 50/60Hz 1Ph EA

Zoro # G216106975
Mfr # GFTCB240
product price: 
$156.99
/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: 
$11.99
/ea
Ge Miniature Circuit Breaker, THHQL Series, 20A, 1 Pole, 120/240V AC, 22kA at 120/240V AC THHQL1120AF2
GE THHQL Ground Fault Circuit Interrupter Plug In Miniature Circuit Breaker
2 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
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
Eaton Circuit Breaker, 20A, 1 Pole BRN120DF
EATON BR Ground Fault Circuit Interrupter Plug On Circuit Breaker
3 results
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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
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 Molded Case Breakers MCCBs EGB34070SA
Square D

Molded Case Breakers MCCBs

Zoro # G016524986
Mfr # EGB34070SA
product price: 
$2,048.99
/ea
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
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
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
Maxpower Combination Circuit Breaker, HOM Series, 15A, 1 Pole, 120V AC, 10kA MA429026
Maxpower

Combination Circuit Breaker, HOM Series, 15A, 1 Pole, 120V AC, 10kA

Zoro # G909771091
Mfr # MA429026
product price: 
$107.99
/ea
Maxpower Miniature Circuit Breaker, HOM Series, 30A, 2 Pole, 120/240V AC, 10kA MA837888
Maxpower

Miniature Circuit Breaker, HOM Series, 30A, 2 Pole, 120/240V AC, 10kA

Zoro # G703921029
Mfr # MA837888
product price: 
$39.35
/ea
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
Eaton Miniature Circuit Breakers MCBs CH2100
Eaton

Miniature Circuit Breakers MCBs

Zoro # G016524795
Mfr # CH2100
product price: 
$169.99
/ea
Connecticut Electric Miniature Circuit Breaker, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC UBIZ230-1
Connecticut Electric

Miniature Circuit Breaker, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G312485943
Mfr # UBIZ230-1
product price: 
$71.59
/ea
Square D Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC 6562821
SQUARE D QO Ground Fault Circuit Interrupter Plug In Circuit Breaker
2 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 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
Circuit Breakers (245 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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