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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
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Circuit Breakers (247 items) - Page 5

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
Eaton Circuit Breaker, CHF Series, 20A, 1 Pole, 120/240V AC, 10kA CHF120CS
Eaton

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

Zoro # G308580966
Mfr # CHF120CS
product price: $32.15
/ea
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: $55.59
/ea
Industrial C & S Circuit Breaker, THQL Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQL2120
INDUSTRIAL C & S THQL Standard Plug In Circuit Breaker
16 results
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Ubi Circuit Breaker, UBIP Series, 70A, 2 Pole, 120/240V AC, 10kA UBIP270
UBI UBIP Standard Bolt On Circuit Breaker
3 results
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Ge Molded Case Circuit Breaker, TED Series, 125A, 3 Pole, 600V AC, 14kA at 600V AC TED136125WL
GE TED Standard Bolt On Molded Case Circuit Breaker
42 results
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Eaton Circuit Breaker, CH Series, 15A, 1 Pole, 120/240V AC, 10kA CHFN115AF
EATON CH Ground Fault Circuit Interrupter Plug In Circuit Breaker
6 results
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Square D Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve QOB220EPD
SQUARE D QO Ground Fault Protecting Class B 30 mA Bolt On Miniature Circuit Breaker
15 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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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
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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
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Ge Molded Case Circuit Breaker, THED Series, 15A, 2 Pole, 480V AC, 25kA at 480V AC THED124015WL
GE THED Standard Plug In Molded Case Circuit Breaker
10 results
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Eaton Molded Case Circuit Breaker, CKT Series, 25A, 2 Pole, 240V AC QBHW2025
Eaton

Molded Case Circuit Breaker, CKT Series, 25A, 2 Pole, 240V AC

Zoro # G014236454
Mfr # QBHW2025
product price: $105.29
/ea
Siemens Circuit Breaker, 5SY4 Series, 45A, 2 Pole, 400V AC, 10kA at 400V AC, C Curve 5SY42457
SIEMENS 5SY4 Supplementary Protector Surface Mount/DIN Rail Circuit Breaker
19 results
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Eaton Miniature Circuit Breakers MCBs 1P 15A 240V BR370
EATON CB Miniture Circuit Breaker Plug On Miniature Circuit Breaker
36 results
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Ge Miniature Circuit Breaker, THHQL Series, 30A, 3 Pole, 240V AC, 22kA at 240V AC THHQL32030
GE THHQL High Interrupting Plug In Miniature Circuit Breaker
11 results
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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: $25.99
/ea
Siemens Circuit Breaker, 5SY6 Series, 6A, 2 Pole, 400V AC, 5kA at 400V AC, C Curve 5SY62067
SIEMENS 5SY6 Supplementary Protector Surface Mount/DIN Rail Circuit Breaker
79 results
table view View Items
Dayton Circuit Breaker, NDB2-63 B50/3 Series, 50A, 3 Pole, 480V AC, 7.5kA at 480V AC, B Curve 5ZUU9
Dayton

Circuit Breaker, NDB2-63 B50/3 Series, 50A, 3 Pole, 480V AC, 7.5kA at 480V AC, B Curve

Zoro # G2411473
Mfr # 5ZUU9
product price: $70.99
/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: $70.03
/ea
Dayton Circuit Breaker, NDB2-63 D50/3 Series, 50A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve 5ZVG4
Dayton

Circuit Breaker, NDB2-63 D50/3 Series, 50A, 3 Pole, 480V AC, 7.5kA at 480V AC, D Curve

Zoro # G0886112
Mfr # 5ZVG4
product price: $70.99
/ea
Dayton Circuit Breaker, NDB2-63 B25/3 Series, 25A, 3 Pole, 480V AC, 7.5kA at 480V AC, B Curve 5ZUY7
Dayton

Circuit Breaker, NDB2-63 B25/3 Series, 25A, 3 Pole, 480V AC, 7.5kA at 480V AC, B Curve

Zoro # G1999882
Mfr # 5ZUY7
product price: $69.29
/ea
Ge Molded Case Circuit Breaker, THQL Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQL2120HID
GE THQL High Interrupting Plug In Molded Case Circuit Breaker
6 results
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No Product Image Available
GE THHQB Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
2 results
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Eaton Molded Case Circuit Breaker, LG Series, 600A, 3 Pole, 600V AC, 65kA at 240V AC LGE3600FAG
EATON LG Standard Free Standing Molded Case Circuit Breaker
8 results
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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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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
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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Eaton Circuit Breaker, CB Series, 25A, 1 Pole, 120V AC BRN125GF
EATON CB Ground Fault Circuit Interrupter Plug On Circuit Breaker
2 results
table view View Items
Crouse-Hinds Miniature Circuit Breakers MCBs HQP2060
CROUSE-HINDS CB Miniture Circuit Breaker Plug On Miniature Circuit Breaker
2 results
table view View Items
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: $60.56
/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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Ge Miniature Circuit Breaker, THHQC Series, 20A, 1 Pole, 120/240V AC, 22kA at 120/240V AC THHQC1120WL
GE THHQC Standard Surface Mount/DIN Rail Miniature Circuit Breaker
17 results
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Ge Molded Case Circuit Breaker, TEYH Series, 20A, 2 Pole, 277/480V AC, 35kA at 277/480V AC TEYH2020B
GE TEYH Standard Bolt On Molded Case Circuit Breaker
31 results
table view View Items
Siemens Miniature Circuit Breaker, BQH Series, 30A, 3 Pole, 240V AC, 22kA at 240V AC BQ3B030H
SIEMENS BQH High Interrupting Bolt On Miniature Circuit Breaker
28 results
table view View Items
Siemens Miniature Circuit Breaker, BQH Series, 30A, 2 Pole, 120/240V AC, 22kA at 120/240V AC BQ2B030H00S01
SIEMENS BQH Shunt Trip Bolt On Miniature Circuit Breaker
9 results
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Circuit Breakers (247 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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10 amp breaker10 amp circuit breaker100a breaker100 amp breaker100 amp 3 pole breaker
100 amp qo breaker120/240v ac circuit breaker100amp qo breaker100amp breaker120 amp breaker

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