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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 (244 items) - Page 5

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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Ge Electrical Circuit Breaker, THQP Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC GE386852
Ge Electrical

Circuit Breaker, THQP Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G909845310
Mfr # GE386852
product price: 
$46.85
/ea
Eaton Molded Case Circuit Breaker, LD Series, 500A, 3 Pole, 600V AC, 65kA at 240V AC LD3500
EATON LD Standard Free Standing Molded Case Circuit Breaker
3 results
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Eaton Miniature Circuit Breakers MCBs BR 3P 25A 240V 50/60Hz 3Ph BR325
Eaton

Miniature Circuit Breakers MCBs BR 3P 25A 240V 50/60Hz 3Ph

Zoro # G914237780
Mfr # BR325
product price: 
$72.49
/ea
Siemens Molded Case Circuit Breaker, JXD2-A Series, 350A, 3 Pole, 240V AC, 65kA at 240V AC JXD23B350
SIEMENS JXD2-A Standard Free Standing Molded Case Circuit Breaker
12 results
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Ubi Circuit Breaker, UBIF Series, 100A, 2 Pole, 120/240V AC, 10kA UBIF2100N
UBI UBIF Standard Plug In Circuit Breaker
5 results
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Siemens Miniature Circuit Breaker, QP/MP Series, 15A, 1 Pole, 120/240V AC ITEQ115
SIEMENS QP/MP Standard Plug In Miniature Circuit Breaker
4 results
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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 Molded Case Circuit Breaker, KD Series, 350A, 3 Pole, 600V AC, 65kA at 240V AC KD3350
EATON KD Standard Free Standing Molded Case Circuit Breaker
4 results
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Wadsworth Miniature Circuit Breaker, UBIA Series, 40A, 1 Pole, 120V AC, 10kA at 120V AC UBIA40NI
WADSWORTH UBIA Standard Plug In Miniature Circuit Breaker
11 results
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Siemens Miniature Circuit Breaker, BLE Series, 30A, 1 Pole, 120V AC, 10kA at 120V AC BE130
SIEMENS BLE Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
13 results
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Ubi Circuit Breaker, UBIA Series, 30A, 1 Pole, 120V AC, 10kA UBIA30NI
UBI UBIA Standard Plug In Circuit Breaker
2 results
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Square D Circuit Breaker, HOMT Series, 15A, 1 Pole, 120/240V AC, 10kA HOMT1515CP
SQUARE D HOMT Tandem Plug In Circuit Breaker
5 results
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Connecticut Electric Circuit Breaker, Zinsco Series, 100A, 2 Pole, 120/240V AC, 10kA UBIZ2100B
CONNECTICUT ELECTRIC Zinsco Standard Bolt On Circuit Breaker
9 results
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Eaton Combination Circuit Breaker, BR Series, 15A, 1 Pole, 120V AC, 10kA BRP115AF
EATON BR Ground Fault Circuit Interrupter Plug In Combination Circuit Breaker
3 results
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Eaton Molded Case Circuit Breaker, JD Series, 250A, 3 Pole, 600V AC, 65kA at 240V AC JD3250
EATON JD Standard Free Standing Molded Case Circuit Breaker
4 results
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Eaton Miniature Circuit Breakers MCBs BD 1P 20A/30A 240V 50/60Hz 1Ph BD2030
EATON CB Duplex Plug On Miniature Circuit Breaker
2 results
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Ge Molded Case Circuit Breaker, FBN Series, 15A, 2 Pole, 347/600V AC, 65kA at 480V AC FBN26TE015R
GE FBN Standard Free Standing Molded Case Circuit Breaker
39 results
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Eaton Cutler-Hammer Circuit Breaker, BRN Series, 20A, 1 Pole, 120/240V AC, 10kA BRN120GF
EATON CUTLER-HAMMER BRN Ground Fault Circuit Interrupter Plug In Circuit Breaker
2 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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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
Ge Miniature Circuit Breaker, THHQC Series, 50A, 2 Pole, 120/240V AC, 22kA at 120/240V AC THHQC2150WL
GE THHQC Standard Surface Mount/DIN Rail Miniature Circuit Breaker
17 results
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Te Connectivity Circuit Breaker, W9 Series, 30A, 4 Pole, 240/415V AC, 5kA at 250V AC or 415V AC/240V AC 2-1393255-2
TE CONNECTIVITY W9 Magnetic Surface Mount/DIN Rail Circuit Breaker
12 results
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Schneider Electric Circuit Breaker, HOM Series, 50A, 2 Pole, 120/240V AC, 10kA 3205606
SCHNEIDER ELECTRIC HOMELINE Standard Plug In Circuit Breaker
2 results
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Eaton Molded Case Circuit Breaker, GHQ Series, 20A, 1 Pole, 277V AC, 14kA at 277V AC GHQ1020
EATON GHQ Standard Free Standing Molded Case 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
Ge Molded Case Circuit Breaker, THED Series, 25A, 2 Pole, 480V AC, 25kA at 480V AC THED124025WL
GE THED Standard Plug In Molded Case Circuit Breaker
10 results
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Square D Molded Case Circuit Breaker, LA Series, 175 A, 3 Pole, 600V AC, 42kA at 120/240V AC LA36175
SQUARE D LA Standard I-Line Molded Case Circuit Breaker
2 results
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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: 
$65.49
/ea
Eaton Miniature Circuit Breakers MCBs BRP115GF
EATON BR Ground Fault Circuit Interrupter Plug On Circuit Breaker
3 results
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Dayton Circuit Breaker, NDB2-63 B50/1 Series, 50A, 1 Pole, 277V AC, 5kA at 277V AC, B Curve 5ZUW8
Dayton

Circuit Breaker, NDB2-63 B50/1 Series, 50A, 1 Pole, 277V AC, 5kA at 277V AC, B Curve

Zoro # G2899687
Mfr # 5ZUW8
product price: 
$21.69
/ea
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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Square D Molded Case Circuit Breaker, QD Series, 90 A, 2 Pole, 240V AC, 25kA at 240V AC QDA220901
SQUARE D QD Standard I-Line Molded Case Circuit Breaker
4 results
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Industrial C & S Circuit Breaker, THQP Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQP120
INDUSTRIAL C & S THQP Standard Plug In Circuit Breaker
11 results
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Eaton Miniature Circuit Breakers MCBs CH260
EATON CH Standard Plug On Circuit Breaker
3 results
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Siemens Circuit Breaker, QP Series, 20A, 2 Pole, 120/240V AC ITEQ220
SIEMENS QP Standard Plug In Circuit Breaker
3 results
View Items
Circuit Breakers (244 items) - Page 5
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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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