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  1. Home
  2. /
  3. Electrical Supplies
  4. /
  5. Circuit Protection
  6. /
  7. Circuit Breakers

Circuit Breakers (246 items) - Page 5

Te Connectivity Circuit Breaker, W5 Series, 5A, 1 Pole, 250V AC, 1kA at 250V AC/50V DC 1423675-3
TE CONNECTIVITY W5 Thermal Surface Mount/DIN Rail Circuit Breaker
8 results
table view View Items
Ge Molded Case Circuit Breaker, FBH Series, 25A, 3 Pole, 347/600V AC, 100kA at 480V AC FBH36TE025R
GE FBH Standard Free Standing Molded Case Circuit Breaker
39 results
table view View Items
Siemens Molded Case Circuit Breaker, FXD6-A Series, 250A, 2 Pole, 600V AC, 22kA at 600V AC FXD62B250
SIEMENS FXD6-A Standard Free Standing Molded Case Circuit Breaker
10 results
table view View Items
Eaton Molded Case Breakers MCCBs CHH 2P 125A 240V 50/60Hz 1Ph CHH2125H4X
Eaton

Molded Case Breakers MCCBs CHH 2P 125A 240V 50/60Hz 1Ph

Zoro # G314240144
Mfr # CHH2125H4X
product price:  $303.99
/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
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Industrial C & S Circuit Breaker, THQP Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQP230
INDUSTRIAL C & S THQP Standard Plug In Circuit Breaker
12 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
Siemens Miniature Circuit Breaker, BLE Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC BE240
SIEMENS BLE Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
13 results
table view View Items
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
Siemens Molded Case Circuit Breaker, HED4 Series, 35A, 3 Pole, 480V AC, 42kA at 480V AC HED43B035
SIEMENS HED4 Standard Bolt On Molded Case Circuit Breaker
12 results
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Siemens Miniature Circuit Breaker, BQH Series, 50A, 1 Pole, 120V AC, 22kA at 120V AC BQ1B050H
SIEMENS BQH High Interrupting Bolt On Miniature Circuit Breaker
28 results
table view View Items
Ge Miniature Circuit Breaker, THQB Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQB1120AF2
GE THQB Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
2 results
table view View Items
Eaton Molded Case Breakers MCCBs EGB1015FFB
Eaton

Molded Case Breakers MCCBs

Zoro # G114238013
Mfr # EGB1015FFB
product price:  $93.39
/ea
No Product Image Available
GE THQL Plug In Plug In Molded Case Circuit Breaker
7 results
table view View Items
Te Connectivity Circuit Breaker, W6 Series, 25A, 2 Pole, 240/250/415V AC, 5kA at 277V AC 2-1393253-3
TE CONNECTIVITY W6 Magnetic Surface Mount/DIN Rail Circuit Breaker
7 results
table view View Items
Square D Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 10kA at 120/240V AC QO120CAFIC
SQUARE D QO Ground Fault Circuit Interrupter Plug In Circuit Breaker
3 results
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Square D Miniature Circuit Breaker, E FRAME Series, 20A, 1 Pole, 277V AC, 25kA at 120V AC EDB14020EPD
SQUARE D E FRAME Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
8 results
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Appleton Electric Circuit Breaker, AE Series, 90A, 2 Pole, 600V AC, 65kA at 240V AC AEEB22690C
APPLETON ELECTRIC AE Standard Bolt On Circuit Breaker
6 results
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Crouse-Hinds Miniature Circuit Breakers MCBs HQP2060
CROUSE-HINDS CB Miniture Circuit Breaker Plug On Miniature Circuit Breaker
2 results
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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
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Wadsworth Miniature Circuit Breaker, UBIA Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC UBIA215NI
WADSWORTH UBIA Standard Plug In Miniature Circuit Breaker
11 results
table view View Items
Industrial C & S Combination Circuit Breaker, THQL Series, 15A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1115DFP
Industrial C & S

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

Zoro # G008284386
Mfr # THQL1115DFP
product price:  $143.99
/ea
Connecticut Electric Circuit Breaker, QT Series, 20A, 1 Pole, 120V AC, 10kA ITEQ2020NC
CONNECTICUT ELECTRIC QT Duplex Plug In Circuit Breaker
3 results
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Square D Circuit Breaker, HOMT Series, 20A, 1 Pole, 120/240V AC, 10kA HOMT2020CP
SQUARE D HOMT Tandem Plug In Circuit Breaker
5 results
table view View Items
Square D Combination Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC 6473250
Square D

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

Zoro # G203921000
Mfr # 6473250
product price:  $48.45
/ea
Eaton Molded Case Circuit Breaker, GHQ Series, 15A, 1 Pole, 277V AC, 14kA at 277V AC GHQ1015
EATON GHQ Standard Free Standing Molded Case Circuit Breaker
2 results
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Te Connectivity Circuit Breaker, W3 Series, 30A, 1 Pole, 240V AC, 1kA at 240V AC/50V DC 3-1393247-8
TE CONNECTIVITY W3 Thermal Surface Mount/DIN Rail Circuit Breaker
3 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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Ge Molded Case Circuit Breaker, THED Series, 2A, 1 Pole, 277V AC, 65kA at 277V AC THED113020WL
GE THED Standard Plug In Molded Case Circuit Breaker
10 results
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Ubi Circuit Breaker, UBIF Series, 35A, 2 Pole, 120/240V AC, 10kA UBIF0235N
UBI UBIF Standard Plug In Circuit Breaker
5 results
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Connecticut Electric Circuit Breaker, Zinsco Series, 70A, 2 Pole, 120/240V AC, 10kA UBIZ270B
CONNECTICUT ELECTRIC Zinsco Standard Bolt On Circuit Breaker
9 results
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Siemens Miniature Circuit Breaker, BQH Series, 20A, 2 Pole, 240V AC, 10kA at 240V AC BQ2H020
SIEMENS BQH Standard Bolt On Miniature Circuit Breaker
3 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:  $21.69
/ea
Sold in mult. of 72 for $1,561.68
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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Siemens Circuit Breaker, QP/MP Series, 40A, 2 Pole, 120/240V AC ITEQ240
SIEMENS QP/MP Standard Plug In Circuit Breaker
3 results
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Square D Miniature Circuit Breaker, HOMELINE Series, 30A, 2 Pole, 240V AC, 10kA at 240V AC, B Curve HOM230EPD
SQUARE D HOMELINE Ground Fault Protecting Class B 30 mA Plug In Miniature Circuit Breaker
3 results
table view View Items
Circuit Breakers (246 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.

Related Categories

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circuit breakers &c series circuit breaker90 amp breakermolded case breakereaton 200 amp breaker

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