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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
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Circuit Breakers (247 items) - Page 2

Current Circuit Breaker, THQP Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQP120
CURRENT THQP Standard Plug In Circuit Breaker
9 results
table view View Items
Eaton Molded Case Circuit Breaker, EHD Series, 100A, 3 Pole, 480V AC, 18kA at 240V AC EHD3100
EATON EHD Standard Free Standing Molded Case Circuit Breaker
28 results
table view View Items
Square D Miniature Circuit Breaker, QO Series, 20A, 3 Pole, 208/120V AC, 10kA at 208/120V AC, A Curve QOB320GFI
SQUARE D QO Ground Fault Protecting Class A 6 mA Bolt On Miniature Circuit Breaker
18 results
table view View Items
Schneider Electric Miniature Circuit Breaker, C60SP Series, 40A, 3 Pole, 240/415/440V AC, 10kA at 240V AC, C Curve M9F22340
SCHNEIDER ELECTRIC MULTI9 Low Voltage Clip On Miniature Circuit Breaker
219 results
table view View Items
Ge Miniature Circuit Breaker, THQP Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQP245
GE THQP Standard Plug In Miniature Circuit Breaker
5 results
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Carling Technologies Circuit Breaker, CMB Series, 5A, 1 Pole, 125/250V AC, Not Rated, C Curve CMB-053-11C3N-W-A/05
CARLING TECHNOLOGIES CMB Thermal Plug In Circuit Breaker
8 results
table view View Items
Square D Miniature Circuit Breaker, HOMELINE Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC, A Curve HOM120GFI
SQUARE D HOMELINE Ground Fault Protecting Class A 6 mA Plug In Miniature Circuit Breaker
12 results
table view View Items
No Product Image Available
EATON CUTLER-HAMMER BAB Thermal Magnetic Bolt On Circuit Breaker
2 results
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Carling Technologies Circuit Breaker, CTB Series, 5A, 1 Pole, 125/250V AC, 1.0kA at 240V AC, C Curve CTB-B-B-05
CARLING TECHNOLOGIES CTB Thermal Plug In Circuit Breaker
5 results
table view View Items
Carling Technologies Circuit Breaker, C Series, 100A, 1 Pole, 250V AC, 1.5kA at 120/240V AC, C Curve CA1-B0-34-810-321-R
CARLING TECHNOLOGIES C Magnetic Bolt On Circuit Breaker
11 results
table view View Items
Dayton Circuit Breaker, NDB2-63 D10/3 Series, 10A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve 5ZVF8
Dayton

Circuit Breaker, NDB2-63 D10/3 Series, 10A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve

Zoro # G2958225
Mfr # 5ZVF8
product price: $55.49
/ea
Ge Electric Circuit Breaker, THQP Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC 6122410
GE ELECTRIC THQP Standard Plug In Circuit Breaker
7 results
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Ge Miniature Circuit Breaker, THQB Series, 30A, 3 Pole, 240V AC, 10kA at 240V AC THQB32030
GE THQB Standard Bolt On Miniature Circuit Breaker
36 results
table view View Items
Ge Miniature Circuit Breaker, THHQB Series, 20A, 1 Pole, 120/240V AC, 22kA at 120/240V AC THHQB1120
GE THHQB High Interrupting Bolt On Miniature Circuit Breaker
9 results
table view View Items
Square D Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC 1311620
SQUARE D QO Standard Plug In Circuit Breaker
18 results
table view View Items
Ge Miniature Circuit Breaker, THQB Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQB1120HID
GE THQB High Interrupting Bolt On Miniature Circuit Breaker
6 results
table view View Items
Eaton Circuit Breaker, BD Series, 15A, 1 Pole, 120V AC, 10kA BD1515
EATON BD Tandem Plug In Circuit Breaker
5 results
table view View Items
Dayton Circuit Breaker, NDB2-63 D20/3 Series, 20A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve 5ZVG0
Dayton

Circuit Breaker, NDB2-63 D20/3 Series, 20A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve

Zoro # G2731723
Mfr # 5ZVG0
product price: $64.69
/ea
Ge Miniature Circuit Breaker, THQMV Series, 100A, 2 Pole, 120/240V AC, 22kA at 240V AC THQMV100D
Ge

Miniature Circuit Breaker, THQMV Series, 100A, 2 Pole, 120/240V AC, 22kA at 240V AC

Zoro # G2064106
Mfr # THQMV100D
product price: $163.99
/ea
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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Ge Molded Case Circuit Breaker, THQL Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1120AF2
GE THQL Ground Fault Circuit Interrupter Plug In Molded Case Circuit Breaker
2 results
table view View Items
Square D Miniature Circuit Breaker, HOMELINE Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC HOMT2020220
SQUARE D HOMELINE Quad Tandem Plug In Miniature Circuit Breaker
10 results
table view View Items
Eaton Miniature Circuit Breakers MCBs CH 2P 70A 240V 50/60Hz 1Ph CH270
Eaton

Miniature Circuit Breakers MCBs CH 2P 70A 240V 50/60Hz 1Ph

Zoro # G214241838
Mfr # CH270
product price: $72.39
/ea
Siemens Circuit Breaker, B Series, 30A, 3 Pole, 240V AC, 10kA B330
Siemens

Circuit Breaker, B Series, 30A, 3 Pole, 240V AC, 10kA

Zoro # G0528805
Mfr # B330
product price: $333.99
/ea
Square D Circuit Breaker, HOM Series, 60A, 2 Pole, 120/240V AC, 10kA HOM260CP
SQUARE D HOMELINE Standard Plug In Circuit Breaker
45 results
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Ge Molded Case Circuit Breaker, TEY Series, 20A, 2 Pole, 277/480V AC, 14kA at 277/480V AC TEY220
GE TEY Standard Bolt On Molded Case Circuit Breaker
35 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 C20/2 Series, 20A, 2 Pole, 480V AC, 7.5kA at 480V AC, C Curve 5ZVA6
Dayton

Circuit Breaker, NDB2-63 C20/2 Series, 20A, 2 Pole, 480V AC, 7.5kA at 480V AC, C Curve

Zoro # G2026832
Mfr # 5ZVA6
product price: $45.79
/ea
Dayton Circuit Breaker, NDB2-63 C40/2 Series, 40A, 2 Pole, 480V AC, 7.5kA at 480V AC, C Curve 5ZVA9
Dayton

Circuit Breaker, NDB2-63 C40/2 Series, 40A, 2 Pole, 480V AC, 7.5kA at 480V AC, C Curve

Zoro # G1354735
Mfr # 5ZVA9
product price: $37.99
/ea
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
Wadsworth Miniature Circuit Breaker, UBIA Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC UBIA230NI
WADSWORTH UBIA Standard Plug In Miniature Circuit Breaker
11 results
table view View Items
Ubi Circuit Breaker, UBIF Series, 100A, 2 Pole, 120/240V AC, 10kA UBIF2100N
UBI UBIF Standard Plug In Circuit Breaker
5 results
table view View Items
Siemens Circuit Breaker, QP/MP Series, 20A, 1 Pole, 120/240V AC ITEQ120
SIEMENS QP/MP Standard Plug In Circuit Breaker
3 results
table view View Items
Siemens Circuit Breaker, QP Series, 35A, 2 Pole, 120/240V AC ITEQ235
SIEMENS QP Standard Plug In Circuit Breaker
3 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
Connecticut Electric Circuit Breaker, Zinsco Series, 60A, 2 Pole, 120/240V AC, 10kA UBIZ260B
CONNECTICUT ELECTRIC Zinsco Standard Bolt On Circuit Breaker
9 results
table view View Items
Circuit Breakers (247 items) - Page 2
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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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10 amp breaker10 amp circuit breaker100a breaker100 amp breaker100 amp 3 pole breaker
100 amp qo breaker120/240v ac circuit breaker100amp qo breaker100amp breaker120 amp breaker

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