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  1. Home
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  3. Electrical Supplies
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  5. Circuit Protection
  6. /
  7. Circuit Breakers

Circuit Breakers (246 items) - Page 4

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
table view View Items
Eaton Cutler-Hammer Combination Circuit Breaker, CHF Series, 20A, 1 Pole, 120/240V AC, 10kA CHFCAF120
Eaton Cutler-Hammer

Combination Circuit Breaker, CHF Series, 20A, 1 Pole, 120/240V AC, 10kA

Zoro # G1758921
Mfr # CHFCAF120
product price: 
$106.99
/ea
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
table view View Items
Eaton Circuit Breaker, Type BAB Series, 32A, 3 Pole, 240V AC BAB3035H
Eaton

Circuit Breaker, Type BAB Series, 32A, 3 Pole, 240V AC

Zoro # G014236218
Mfr # BAB3035H
product price: 
$171.99
/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
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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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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Siemens Molded Case Circuit Breaker, FXD6-A Series, 150A, 3 Pole, 600V AC, 22kA at 600V AC FXD63B150
SIEMENS FXD6-A Standard Free Standing Molded Case Circuit Breaker
10 results
table view View Items
Eaton Circuit Breaker, FAZ Series, 4A, 1 Pole, 277/480V AC, 15kA at 277V AC, C Curve FAZ-C4/1-SP
EATON FAZ Supplementary Protector Surface Mount/DIN Rail Circuit Breaker
2 results
table view View Items
Siemens Circuit Breaker, 5SY6 Series, 20A, 2 Pole, 400V AC, 5kA at 400V AC, C Curve 5SY62207
SIEMENS 5SY6 Supplementary Protector Surface Mount/DIN Rail Circuit Breaker
79 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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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
table view View Items
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
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
Ge Industrial Solutions Thermal Magnetic Circuit Breaker, THQL Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQL2130GFTP
GE INDUSTRIAL SOLUTIONS THQL Ground Fault Circuit Interrupter Plug In Circuit Breaker
10 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
table view View Items
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
table view View Items
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
table view View Items
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
table view View Items
Eaton Miniature Circuit Breakers MCBs BR 2P 100A 240V 50/60Hz 1Ph Shunt Trip BR2100ST
Eaton

Miniature Circuit Breakers MCBs BR 2P 100A 240V 50/60Hz 1Ph Shunt Trip

Zoro # G714236600
Mfr # BR2100ST
product price: 
$151.99
/ea
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
Dayton Circuit Breaker, NDB2-63 D16/3 Series, 16A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve 5ZVF9
Dayton

Circuit Breaker, NDB2-63 D16/3 Series, 16A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve

Zoro # G0943205
Mfr # 5ZVF9
product price: 
$68.89
/ea
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, FBN Series, 45A, 1 Pole, 347/600V AC, 65kA at 480V AC FBN16TE045R
GE FBN Standard Free Standing Molded Case Circuit Breaker
39 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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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
table view View Items
Te Connectivity Circuit Breaker, W9 Series, 7A, 2 Pole, 277V AC, 5kA at 277V AC 8-1393254-4
TE CONNECTIVITY W9 Magnetic Surface Mount/DIN Rail Circuit Breaker
12 results
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Siemens Miniature Circuit Breaker, BL Series, 100A, 2 Pole, 120/240V AC, 65kA at 120/240V AC B2100HH00S01
SIEMENS BL Shunt Trip Bolt On Miniature Circuit Breaker
86 results
table view View Items
Appleton Electric Hazardous Location Circuit Breaker, AE Series, 80A, 2 Pole, 240V AC, 18kA at 240V AC AEBB12280C
APPLETON ELECTRIC AE Standard Bolt On Hazardous Location Circuit Breaker
14 results
table view View Items
Siemens Miniature Circuit Breaker, BQH Series, 45A, 3 Pole, 240V AC, 22kA at 240V AC BQ3B045H
SIEMENS BQH High Interrupting Bolt On Miniature Circuit Breaker
28 results
table view View Items
Siemens Molded Case Circuit Breaker, HED4 Series, 110A, 3 Pole, 480V AC, 42kA at 480V AC HED43B110
SIEMENS HED4 Standard Bolt On Molded Case Circuit Breaker
12 results
table view View Items
Carling Technologies Circuit Breaker, M Series, 5A, 1 Pole, 250V AC, 1.5kA at 120V AC, C Curve MU1-B-34-450-1-C21-B-E
CARLING TECHNOLOGIES M Magnetic Plug In Circuit Breaker
7 results
table view View Items
No Product Image Available
GE THQL Plug In Plug In Molded Case Circuit Breaker
7 results
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Schneider Electric Circuit Breaker, QO Series, 40A, 1 Pole, 120/240V AC, 10kA at 120/240V AC 3062361
SCHNEIDER ELECTRIC QO Standard Plug In Circuit Breaker
2 results
table view View Items
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
table view View Items
Connecticut Electric Circuit Breaker, QT Series, 20A, 1 Pole, 120V AC, 10kA ITEQ2020NC
CONNECTICUT ELECTRIC QT Duplex Plug In Circuit Breaker
3 results
table view View Items
Circuit Breakers (246 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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circuit breakers &c series circuit breaker90 amp breakermolded case breakereaton 200 amp breaker

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