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

Circuit Breakers (244 items) - Page 2

Square D Miniature Circuit Breaker, HOM Series, 50A, 2 Pole, 120/240V AC, 10kA, A Curve HOM250GFICP
SQUARE D HOMELINE Ground Fault Circuit Interrupter Plug In Miniature Circuit Breaker
5 results
table view View Items
Siemens Miniature Circuit Breaker, BF Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC BF120A
SIEMENS BF Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
6 results
table view View Items
Carling Technologies Circuit Breaker, C Series, 50A, 2 Pole, 250V AC, 1.5kA at 120/240V AC, C Curve CA2-B0-34-650-121-D
CARLING TECHNOLOGIES C Magnetic Bolt On Circuit Breaker
11 results
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Eaton Cutler-Hammer Circuit Breaker, BD Series, 15A, 1 Pole, 120V AC, 10kA BD1515
EATON CUTLER-HAMMER BD Tandem Plug In Circuit Breaker
3 results
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Ge Circuit Breaker, THQL Series, 100A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQL21100PA
CAD Files Available
Ge

Circuit Breaker, THQL Series, 100A, 2 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G8639098
Mfr # THQL21100PA
product price:  $79.95
/ea
Dayton Circuit Breaker, NDB2-63 D10/3 Series, 10A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve 5ZVF8
Dayton

Circuit Breaker, NDB2-63 D10/3 Series, 10A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve

Zoro # G2958225
Mfr # 5ZVF8
product price:  $58.29
/ea
Schneider Electric Miniature Circuit Breaker, C60SP Series, 63A, 2 Pole, 240/415/440V AC, 10kA at 240V AC, C Curve M9F22263
SCHNEIDER ELECTRIC MULTI9 Low Voltage Clip On Miniature Circuit Breaker
219 results
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Eaton Molded Case Circuit Breaker, EHD Series, 100A, 3 Pole, 480V AC, 18kA at 240V AC EHD3100
EATON EHD Standard Free Standing Molded Case Circuit Breaker
28 results
table view View Items
Zinsco Miniature Circuit Breaker, UBIZ Series, 20/20A, 1 Pole, 120/240V AC, 10kA at 120V AC UBIZ2020
ZINSCO UBIZ Tandem Plug In Miniature Circuit Breaker
2 results
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Ge Molded Case Circuit Breaker, TEY Series, 30A, 3 Pole, 277/480V AC, 14kA at 277/480V AC TEY330
GE TEY Standard Bolt On Molded Case Circuit Breaker
35 results
table view View Items
Square D Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC, A Curve QOB120GFI
SQUARE D QO Ground Fault Protecting Class A 6 mA Bolt On Miniature Circuit Breaker
18 results
table view View Items
Ge Miniature Circuit Breaker, THQC Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQC2160WL
GE THQC Standard Surface Mount/DIN Rail Miniature Circuit Breaker
18 results
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Siemens Miniature Circuit Breaker, QA Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC QA120AFC
SIEMENS QA Ground Fault Circuit Interrupter Plug In Miniature Circuit Breaker
2 results
table view View Items
Square D Miniature Circuit Breaker, HOMELINE Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC, A Curve HOM120GFI
SQUARE D HOMELINE Ground Fault Protecting Class A 6 mA Plug In Miniature Circuit Breaker
12 results
table view View Items
Optifuse Circuit Breaker, 353 Series, 25 to 300A, 3kA at 48V DC 353300
OPTIFUSE 353 High Amperage Heavy Duty Circuit Breakers Surface Mount/DIN Rail Circuit Breaker
15 results
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Carling Technologies Circuit Breaker, CTB Series, 5A, 1 Pole, 125/250V AC, 1.0kA at 240V AC, C Curve CTB-B-B-05
CARLING TECHNOLOGIES CTB Thermal Plug In Circuit Breaker
5 results
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Siemens Miniature Circuit Breaker, BQD Series, 20A, 3 Pole, 480V AC, 14kA at 480V AC BQD320
SIEMENS BQD Standard Bolt On Miniature Circuit Breaker
39 results
table view View Items
Pushmatic Miniature Circuit Breaker, UBIP Series, 100A, 2 Pole, 120/240V AC, 10kA at 120/240V AC UBIP2100
CAD Files Available
Pushmatic

Miniature Circuit Breaker, UBIP Series, 100A, 2 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G3500165
Mfr # UBIP2100
product price:  $178.99
/ea
Federal Pacific Circuit Breaker, UBIF Series, 30A, 2 Pole, 120/240V AC, 10kA UBIF230NB
FEDERAL PACIFIC UBIF Standard Bolt On Circuit Breaker
21 results
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Current Circuit Breaker, THQL Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQL2130A
CURRENT THQL Standard Plug In Circuit Breaker
10 results
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Dayton Circuit Breaker, NDB2-63 D63/3 Series, 63A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve 5ZVG5
Dayton

Circuit Breaker, NDB2-63 D63/3 Series, 63A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve

Zoro # G1775925
Mfr # 5ZVG5
product price:  $74.59
/ea
Dayton Circuit Breaker, NDB2-63 D20/3 Series, 20A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve 5ZVG0
Dayton

Circuit Breaker, NDB2-63 D20/3 Series, 20A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve

Zoro # G2731723
Mfr # 5ZVG0
product price:  $67.99
/ea
Ge Industrial Solutions Circuit Breaker, THQL Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1120
GE INDUSTRIAL SOLUTIONS THQL Standard Plug In Circuit Breaker
14 results
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Square D Miniature Circuit Breaker, HOMELINE Series, 20A, 2x1, 1x2 Pole, 120/240V AC, 10kA at 120/240V AC HOMT2020250
SQUARE D HOMELINE Quad Tandem Plug In Miniature Circuit Breaker
10 results
table view View Items
Ge Molded Case Circuit Breaker, THQL Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1120AF2
GE THQL Ground Fault Circuit Interrupter Plug In Molded Case Circuit Breaker
2 results
table view View Items
Dayton Circuit Breaker, NDB2-63 D40/3 Series, 40A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve 5ZVG3
Dayton

Circuit Breaker, NDB2-63 D40/3 Series, 40A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve

Zoro # G2596684
Mfr # 5ZVG3
product price:  $64.79
/ea
Square D Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC 1311620
SQUARE D QO Standard Plug In Circuit Breaker
18 results
table view View Items
Optifuse Circuit Breaker, 153 Series, 25 to 200A, 3kA at 42V DC 153150
OPTIFUSE 153 High Amperage Heavy Duty Circuit Breakers Surface Mount/DIN Rail Circuit Breaker
13 results
table view View Items
Siemens Molded Case Circuit Breaker, ED4 Series, 100A, 3 Pole, 480V AC, 18kA at 480V AC ED43B100
SIEMENS ED4 Standard Bolt On Molded Case Circuit Breaker
42 results
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Eaton Miniature Circuit Breaker, CB Series, 15A, 3 Pole, 240V AC BAB3015H
EATON CB Miniture Circuit Breaker Bolt On Miniature Circuit Breaker
38 results
table view View Items
Square D Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC QO120DFC
SQUARE D QO Ground Fault Circuit Interrupter Plug In Miniature Circuit Breaker
10 results
table view View Items
Square D Miniature Circuit Breaker, HOMT Series, 20A, 1 Pole, 120/240V AC, 10kA HOMT2020CP
SQUARE D HOMT Tandem Plug In Miniature Circuit Breaker
5 results
table view View Items
Eaton Circuit Breaker, CH Series, 20A, 1 Pole, 120/240V AC, 10kA CHFP120DF
EATON CH Ground Fault Circuit Interrupter Plug In Circuit Breaker
7 results
table view View Items
Ge Miniature Circuit Breaker, THHQB Series, 20A, 1 Pole, 120/240V AC, 22kA at 120/240V AC THHQB1120
GE THHQB High Interrupting Bolt On Miniature Circuit Breaker
9 results
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Eaton Molded Case Circuit Breaker, HMCP Series, 150A, 3 Pole, 600V AC, 65kA at 600V AC HMCP150U4C
EATON HMCP Standard Free Standing Molded Case Circuit Breaker
26 results
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Eaton Molded Case Circuit Breaker, HFD Series, 60A, 3 Pole, 600V AC, 100kA at 240V AC HFD3060
EATON HFD Standard Free Standing Molded Case Circuit Breaker
21 results
table view View Items
Circuit Breakers (244 items) - Page 2
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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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