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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 7

Ubi Circuit Breaker, UBITB Series, 40A, 1 Pole, 120V AC UBITB140
UBI UBITB Standard Plug In Circuit Breaker
2 results
table view View Items
Eaton Molded Case Breakers MCCBs 2P 50A EGS2050FFB
Eaton

Molded Case Breakers MCCBs 2P 50A

Zoro # G414241836
Mfr # EGS2050FFB
product price:  $339.99
/ea
Eaton Molded Case Breakers MCCBs EGB1015FFB
Eaton

Molded Case Breakers MCCBs

Zoro # G114238013
Mfr # EGB1015FFB
product price:  $93.39
/ea
Maxpower Miniature Circuit Breaker, HOM Series, 30A, 2 Pole, 120/240V AC, 10kA MA837888
Maxpower

Miniature Circuit Breaker, HOM Series, 30A, 2 Pole, 120/240V AC, 10kA

Zoro # G703921029
Mfr # MA837888
product price:  $35.89
/ea
Ge Molded Case Circuit Breaker, TEYL Series, 25A, 2 Pole, 277/480V AC, 65kA at 277/480V AC TEYL2025B
GE TEYL Standard Bolt On Molded Case Circuit Breaker
33 results
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Siemens Molded Case Circuit Breaker, HED4 Series, 80A, 2 Pole, 480V AC, 42kA at 480V AC HED42B080
SIEMENS HED4 High Interrupting Bolt On Molded Case Circuit Breaker
30 results
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Ge Molded Case Circuit Breaker, FBN Series, 40A, 2 Pole, 347/600V AC, 65kA at 480V AC FBN26TE040R
GE FBN Standard Free Standing Molded Case Circuit Breaker
39 results
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Ge Molded Case Circuit Breaker, TEYH Series, 35A, 3 Pole, 277/480V AC, 35kA at 277/480V AC TEYH3035B
GE TEYH Standard Bolt On Molded Case Circuit Breaker
31 results
table view View Items
Siemens Miniature Circuit Breaker, BLE Series, 15A, 1 Pole, 120V AC, 22kA at 120V AC BE115H
SIEMENS BLE Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
15 results
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Ge Molded Case Circuit Breaker, FBH Series, 45A, 1 Pole, 347/600V AC, 100kA at 480V AC FBH16TE045R
GE FBH Standard Free Standing Molded Case Circuit Breaker
39 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
Square D Molded Case Circuit Breaker, LA Series, 150 A, 3 Pole, 600V AC, 42kA at 120/240V AC LA36150
Square D

Molded Case Circuit Breaker, LA Series, 150 A, 3 Pole, 600V AC, 42kA at 120/240V AC

Zoro # G2618655
Mfr # LA36150
product price:  $4,450.99
/ea
Industrial C & S Circuit Breaker, THQP Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQP220
INDUSTRIAL C & S THQP Standard Plug In Circuit Breaker
13 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
Siemens Molded Case Circuit Breaker, JXD2-A Series, 350A, 2 Pole, 240V AC, 65kA at 240V AC JXD22B350
SIEMENS JXD2-A Standard Free Standing Molded Case Circuit Breaker
12 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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Appleton Electric Hazardous Location Circuit Breaker, AE Series, 100A, 2 Pole, 600V AC, 65kA at 240V AC AEEB22610C
APPLETON ELECTRIC AE Standard Bolt On Hazardous Location Circuit Breaker
15 results
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Square D Miniature Circuit Breaker, E FRAME Series, 30A, 1 Pole, 277V AC, 65kA at 120V AC EGB14030EPD
SQUARE D E FRAME Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
8 results
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Siemens Circuit Breaker, 5SY4 Series, 2A, 3+N Pole, 400V AC, 10kA at 400V AC, A Curve 5SY46025
SIEMENS 5SY4 Motor Circuit Protection Surface Mount/DIN Rail Circuit Breaker
2 results
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Siemens Miniature Circuit Breaker, BQH Series, 20A, 1 Pole, 120V AC, 22kA at 120V AC BQ1B020H00S01
SIEMENS BQH Shunt Trip Bolt On Miniature Circuit Breaker
9 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, HED4 Series, 35A, 1 Pole, 277V AC, 25kA at 277V AC HED41B035
SIEMENS HED4 Standard Bolt On Molded Case Circuit Breaker
12 results
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Zinsco Circuit Breaker, Zinsco Series, 90A, 2 Pole, 120/240V AC, 10kA UBIZ290B
ZINSCO Zinsco Standard Bolt On Circuit Breaker
5 results
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Eaton Molded Case Circuit Breaker, JD Series, 225A, 3 Pole, 600V AC, 65kA at 240V AC JD3225
EATON JD Standard Free Standing Molded Case Circuit Breaker
4 results
table view View Items
Siemens Miniature Circuit Breaker, BAFH Series, 15A, 2 Pole, 120/240V AC, 22kA at 120/240V AC B215AFH
Siemens

Miniature Circuit Breaker, BAFH Series, 15A, 2 Pole, 120/240V AC, 22kA at 120/240V AC

Zoro # G3055272
Mfr # B215AFH
product price:  $897.99
/ea
No Product Image Available
Multiple Options Available
Current

Circuit Breaker, THQL Series, 15A, 1 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G910778140
Mfr # THQL1115GFTP
product price:  $102.99
/ea
Siemens Miniature Circuit Breaker, BAF Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC B215AF
Siemens

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

Zoro # G0907331
Mfr # B215AF
product price:  $485.99
/ea
Siemens Circuit Breaker, 5SY6 Series, 20A, 3+N Pole, 400V AC, 6kA at 400V AC, B Curve 5SY66206
SIEMENS 5SY6 Motor Circuit Protection Surface Mount/DIN Rail Circuit Breaker
2 results
table view View Items
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:  $24.15
/ea
Schneider Electric Miniature Circuit Breaker, QO Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC QO245CP
Multiple Options Available
Schneider Electric

Miniature Circuit Breaker, QO Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G103900396
Mfr # QO245CP
product price:  $51.79
/ea
Circuit Breakers (246 items) - Page 7
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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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ge 125 amp breakereaton miniature circuit breakerbl breakercircuit breaker br seriescircuit breaker 200 amp
eaton 100 amp breakercircuit breakers 2 polesquare d 40 ampcircuit breaker thqlc series circuit breaker

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