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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 4

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
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: $23.65
/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
Connecticut Electric Miniature Circuit Breaker, QC Series, 100A, 2 Pole, 120/240V AC, 11kA at 120/240V AC 826D15
CONNECTICUT ELECTRIC QC Standard Plug In 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 QOB120CAFI
SQUARE D HOMELINE Combination ARC Fault Bolt On Miniature Circuit Breaker
3 results
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Ge Molded Case Circuit Breaker, TEYD Series, 20A, 3 Pole, 277/480V AC, 25kA at 277/480V AC TEYD3020B
GE TEYD Standard Bolt On Molded Case Circuit Breaker
35 results
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Square D Miniature Circuit Breaker, QO Series, 20A, 3 Pole, 240V AC, 10kA at 240V AC QO320HID
SQUARE D QO High Intensity Discharge Plug In Miniature Circuit Breaker
6 results
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Schneider Electric Circuit Breaker, QO Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC 3062387
SCHNEIDER ELECTRIC QO Standard Plug In Circuit Breaker
2 results
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Ge Molded Case Circuit Breaker, TEYF Series, 60A, 3 Pole, 277/480V AC, 18kA at 277/480V AC TEYF360
GE TEYF Standard Bolt On Molded Case Circuit Breaker
34 results
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Square D Circuit Breaker, QO Series, 20A, 2x1 Pole, 120/240V AC, 10kA at 120/240V AC 5841564
Square D

Circuit Breaker, QO Series, 20A, 2x1 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G004021428
Mfr # 5841564
product price: $139.99
/ea
Eaton Circuit Breaker, BR Series, 30 to 40A, 4 Pole, 120/240V AC, 10kA BQC230240
EATON BR Thermal Magnetic Plug In Circuit Breaker
3 results
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Eaton Circuit Breaker, BR Series, 20A, 2 Pole, 120V AC, 10kA BR2020
EATON BR Tandem Plug In Circuit Breaker
2 results
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Ge Industrial Solutions Circuit Breaker, THQP Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQP220
GE INDUSTRIAL SOLUTIONS THQP Standard Plug In Circuit Breaker
9 results
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Ge Energy Circuit Breaker, THQP Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC 646141
Ge Energy

Circuit Breaker, THQP Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G803772927
Mfr # 646141
product price: $40.09
/ea
Eaton Molded Case Circuit Breaker, ED Series, 200A, 2 Pole, 240V AC, 65kA at 240V AC ED2200
EATON ED Standard Free Standing Molded Case Circuit Breaker
7 results
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Square D Molded Case Breakers MCCBs EGB34070SA
Square D

Molded Case Breakers MCCBs

Zoro # G016524986
Mfr # EGB34070SA
product price: $1,966.99
/ea
Eaton Circuit Breaker, 20A, 1 Pole BRN120DF
Eaton

Circuit Breaker, 20A, 1 Pole

Zoro # G2922784
Mfr # BRN120DF
product price: $95.39
/ea
Siemens Miniature Circuit Breaker, Q Series, 15A, 2 Pole, 120/240V AC, 10kA at 120V AC Q215HID
SIEMENS Q High Interrupting Plug In Miniature Circuit Breaker
5 results
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Square D Molded Case Breakers (MCCBs) EJB 3P 25A 480V 50/60Hz 3Ph EJB34025
Square D

Molded Case Breakers (MCCBs) EJB 3P 25A 480V 50/60Hz 3Ph

Zoro # G521851362
Mfr # EJB34025
product price: $659.99
/ea
Siemens Miniature Circuit Breaker, BL Series, 30A, 3 Pole, 120/240V AC, 22kA at 240V AC B330H00S01
SIEMENS BL Shunt Trip Bolt On Miniature Circuit Breaker
85 results
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Eaton Cutler-Hammer Circuit Breaker, BD Series, 15A, 1 Pole, 120V AC, 10kA BD1515
EATON CUTLER-HAMMER BD Duplex Plug In Circuit Breaker
2 results
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Schneider Electric IEC Supplementary Protector, GFP Series, 25 A, 4 Pole, 240V AC, 10kA at 240V AC, A Curve M9R81425
SCHNEIDER ELECTRIC MULTI9 Low Voltage Clip On IEC Supplementary Protector
17 results
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Carling Technologies Circuit Breaker, M Series, 5A, 1 Pole, 250V AC, 1.5kA at 120V AC, C Curve MM1-B-34-450-1-12B-B-E
CARLING TECHNOLOGIES M Magnetic Plug In Circuit Breaker
7 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
6 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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Eaton Molded Case Circuit Breaker, DK Series, 400A, 3 Pole, 240V AC, 65kA at 240V AC DK3400
EATON DK Standard Free Standing Molded Case Circuit Breaker
2 results
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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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Ge Molded Case Circuit Breaker, TEYL Series, 125A, 3 Pole, 277/480V AC, 65kA at 277/480V AC TEYL3125B
GE TEYL Standard Bolt On Molded Case Circuit Breaker
33 results
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Square D Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve QO230EPD
SQUARE D QO Ground Fault Protecting Class B 30 mA Plug In Miniature Circuit Breaker
11 results
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Square D Circuit Breaker, HOM Series, 50A, 2 Pole, 120/240V AC, 10kA SQ386553
SQUARE D HOMELINE Ground Fault Circuit Interrupter Plug In Circuit Breaker
5 results
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Siemens Miniature Circuit Breaker, QP/MP Series, 15A, 2 Pole, 120/240V AC ITEQ215
SIEMENS QP/MP Standard Plug In Miniature Circuit Breaker
4 results
table view View Items
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
Dayton Circuit Breaker, NDB2-63 B32/3 Series, 32A, 3 Pole, 480V AC, 7.5kA at 480V AC, B Curve 5ZUY8
Dayton

Circuit Breaker, NDB2-63 B32/3 Series, 32A, 3 Pole, 480V AC, 7.5kA at 480V AC, B Curve

Zoro # G3421905
Mfr # 5ZUY8
product price: $64.89
/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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Square D Combination Circuit Breaker, HOM Series, 20A, 1 Pole, 120V AC, 10kA HOM120DFC
SQUARE D HOMELINE Ground Fault Circuit Interrupter Plug In Combination Circuit Breaker
4 results
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Ge Combination Circuit Breaker, THQL Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1120AF2A
GE THQL Ground Fault Circuit Interrupter Plug In Combination Circuit Breaker
2 results
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Circuit Breakers (247 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.

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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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