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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 4

Eaton Molded Case Circuit Breaker, FD Series, 80A, 3 Pole, 600V AC, 65kA at 240/277V AC FD3080
EATON FD Standard Free Standing Molded Case Circuit Breaker
31 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
10 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
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Eaton Circuit Breaker, CH Series, 20A, 1 Pole, 120/240V AC, 10kA CHFP120DF
EATON CH Ground Fault Circuit Interrupter Plug In Circuit Breaker
7 results
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Ge Molded Case Circuit Breaker, TEYD Series, 35A, 3 Pole, 277/480V AC, 25kA at 277/480V AC TEYD3035B
GE TEYD Standard Bolt On Molded Case Circuit Breaker
35 results
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Eaton Miniature Circuit Breaker, CB Series, 40A, 3 Pole, 240V AC BR340
EATON CB Miniture Circuit Breaker Plug On Miniature Circuit Breaker
36 results
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Ge Miniature Circuit Breaker, THHQL Series, 20A, 1 Pole, 120/240V AC, 22kA at 120/240V AC THHQL1120
GE THHQL High Interrupting Plug In Miniature Circuit Breaker
11 results
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Ge Molded Case Circuit Breaker, THQL Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQL2115HID
GE THQL High Interrupting Plug In Molded Case Circuit Breaker
6 results
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Ubi Circuit Breaker, UBIZ Series, 80A, 2 Pole, 120/240V AC, 10kA UBIZ280
UBI UBIZ Magnetic Plug In Circuit Breaker
9 results
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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: 
$26.39
/ea
Ge Industrial Solutions Thermal Magnetic Circuit Breaker, THQL Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1120GFTP
GE INDUSTRIAL SOLUTIONS THQL Ground Fault Circuit Interrupter Plug In Circuit Breaker
10 results
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Ge Molded Case Circuit Breaker, TEYH Series, 70A, 3 Pole, 277/480V AC, 35kA at 277/480V AC TEYH3070B
GE TEYH Standard Bolt On Molded Case Circuit Breaker
31 results
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Eaton Molded Case Circuit Breaker, ED Series, 200A, 3 Pole, 240V AC, 65kA at 240V AC ED3200
EATON ED Standard Free Standing Molded Case Circuit Breaker
7 results
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Connecticut Electric Miniature Circuit Breaker, QC Series, 100A, 2 Pole, 120/240V AC, 11kA at 120/240V AC UBIZ2100-1
CONNECTICUT ELECTRIC QC Standard Plug In Miniature Circuit Breaker
2 results
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Schneider Electric IEC Supplementary Protector, GFP Series, 40 A, 4 Pole, 240V AC, 1.5kA at 240V AC, A Curve M9R84440
SCHNEIDER ELECTRIC MULTI9 Low Voltage Clip On IEC Supplementary Protector
17 results
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Eaton Circuit Breaker, FAZ Series, 4A, 1 Pole, 277/480V AC, 15kA at 240/415V AC, B Curve FAZ-B4/1-SP
EATON FAZ Supplementary Protector Surface Mount/DIN Rail Circuit Breaker
2 results
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Ge Molded Case Circuit Breaker, TEYL Series, 50A, 2 Pole, 277/480V AC, 65kA at 277/480V AC TEYL2050B
GE TEYL Standard Bolt On Molded Case Circuit Breaker
33 results
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Siemens Molded Case Circuit Breaker, ED2 Series, 35A, 2 Pole, 240V AC, 10kA at 240V AC ED22B035
SIEMENS ED2 Standard Bolt On Molded Case Circuit Breaker
31 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
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Square D Combination Circuit Breaker, QO Series, 15A, 1 Pole, 120V AC, 10kA at 120V AC SQ387811
SQUARE D QO Ground Fault Circuit Interrupter Plug In Combination Circuit Breaker
2 results
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Maxpower Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC MA421270
MAXPOWER QO Standard Plug In Circuit Breaker
4 results
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Appleton Electric Hazardous Location Circuit Breaker, AE Series, 125A, 2 Pole, 600V AC, 65kA at 240V AC AEEB22612C
APPLETON ELECTRIC AE Standard Bolt On Hazardous Location Circuit Breaker
14 results
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Te Connectivity Circuit Breaker, W9 Series, 20A, 1 Pole, 277V AC, 5kA at 277V AC 3-1393254-6
TE CONNECTIVITY W9 Magnetic Surface Mount/DIN Rail Circuit Breaker
12 results
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Ge Molded Case Circuit Breaker, FBH Series, 15A, 2 Pole, 347/600V AC, 100kA at 480V AC FBH26TE015R
GE FBH Standard Free Standing Molded Case Circuit Breaker
39 results
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Siemens Miniature Circuit Breaker, BQH Series, 20A, 2 Pole, 120/240V AC, 22kA at 120/240V AC BQ2B020H
SIEMENS BQH High Interrupting Bolt On Miniature Circuit Breaker
28 results
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Siemens Miniature Circuit Breaker, BL Series, 70A, 2 Pole, 120/240V AC, 10kA at 120/240V AC B27000S01
SIEMENS BL Shunt Trip Bolt On Miniature Circuit Breaker
86 results
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Wadsworth Miniature Circuit Breaker, UBIA Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC UBIA220NI
WADSWORTH UBIA Standard Plug In Miniature Circuit Breaker
11 results
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No Product Image Available
GE THQL Plug In Plug In Molded Case Circuit Breaker
7 results
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Siemens Miniature Circuit Breaker, BLE Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC BE215
SIEMENS BLE Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
13 results
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Siemens Miniature Circuit Breaker, BQH Series, 100A, 2 Pole, 120/240V AC, 22kA at 120/240V AC BQ2B100H00S01
SIEMENS BQH Shunt Trip Bolt On Miniature Circuit Breaker
9 results
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Ubi Circuit Breaker, UBIF Series, 35A, 2 Pole, 120/240V AC, 10kA UBIF0235N
UBI UBIF Standard Plug In Circuit Breaker
5 results
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Square D Miniature Circuit Breaker, E FRAME Series, 30A, 1 Pole, 277V AC, 25kA at 120V AC EDB14030EPD
SQUARE D E FRAME Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
8 results
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No Product Image Available
GE THQB Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
2 results
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Square D Miniature Circuit Breaker, HOMELINE Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC, B Curve HOM120EPD
SQUARE D HOMELINE Ground Fault Protecting Class B 30 mA Plug In Miniature Circuit Breaker
3 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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Ge Molded Case Circuit Breaker, FBN Series, 60A, 1 Pole, 347/600V AC, 65kA at 480V AC FBN16TE060R
GE FBN Standard Free Standing Molded Case Circuit Breaker
39 results
View Items
Circuit Breakers (245 items) - Page 4
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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.

Related Categories

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carling breakers90 amp breakercircuit breaker 250 ampsiemens mini circuit breakernavien npe-240a2
bl breakermolded case breakercircuit breakers &ge 30 amp breakertype ch breaker

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