Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Deals
  • Contact Us
Added to Cart
Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Customer Service
0
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Electrical Supplies
  4. /
  5. Circuit Protection
  6. /
  7. Circuit Breakers

Circuit Breakers (244 items) - Page 4

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
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:  $67.99
/ea
Square D Circuit Breaker, HOM Series, 50A, 2 Pole, 120/240V AC, 10kA SQ386553
SQUARE D HOMELINE Ground Fault Circuit Interrupter Plug In Circuit Breaker
5 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
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
Square D Circuit Breaker, QO Series, 20A, 2x1 Pole, 120/240V AC, 10kA at 120/240V AC 5841564
Square D

Circuit Breaker, QO Series, 20A, 2x1 Pole, 120/240V AC, 10kA at 120/240V AC

Zoro # G004021428
Mfr # 5841564
product price:  $147.99
/ea
Eaton Molded Case Circuit Breaker, FD Series, 125A, 3 Pole, 600V AC, 65kA at 240/277V AC FD3125
EATON FD Standard Free Standing Molded Case Circuit Breaker
31 results
table view View Items
Siemens Miniature Circuit Breaker, BL Series, 30A, 3 Pole, 120/240V AC, 22kA at 240V AC B330H00S01
SIEMENS BL Shunt Trip Bolt On Miniature Circuit Breaker
86 results
table view View Items
Ge Industrial Solutions Thermal Magnetic Circuit Breaker, THQL Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC THQL1120GFTP
GE INDUSTRIAL SOLUTIONS THQL Ground Fault Circuit Interrupter Plug In Circuit Breaker
10 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
Ge Molded Case Circuit Breaker, THQL Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC THQL2130HID
GE THQL High Interrupting Plug In Molded Case Circuit Breaker
6 results
table view View Items
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
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 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
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
Square D Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC, B Curve QOB120EPD
SQUARE D QO Ground Fault Protecting Class B 30 mA Bolt On Miniature Circuit Breaker
15 results
table view View Items
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
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
table view View Items
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
Ge Molded Case Circuit Breaker, FBN Series, 80A, 1 Pole, 347/600V AC, 65kA at 480V AC FBN16TE080R
GE FBN Standard Free Standing Molded Case Circuit Breaker
39 results
table view View Items
Appleton Electric Circuit Breaker, AE Series, 15A, 3 Pole, 600V AC, 65kA at 240V AC AEAB13615C
APPLETON ELECTRIC AE Standard Bolt On Circuit Breaker
6 results
table view View Items
Ge Molded Case Circuit Breaker, TEYL Series, 15A, 2 Pole, 277/480V AC, 65kA at 277/480V AC TEYL2015B
GE TEYL Standard Bolt On Molded Case Circuit Breaker
33 results
table view View Items
Ge Molded Case Circuit Breaker, FBH Series, 25A, 2 Pole, 347/600V AC, 100kA at 480V AC FBH26TE025R
GE FBH Standard Free Standing Molded Case Circuit Breaker
39 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:  $321.99
/ea
Siemens Miniature Circuit Breaker, BLE Series, 40A, 2 Pole, 120/240V AC, 22kA at 120/240V AC BE240H
SIEMENS BLE Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
13 results
table view View Items
Ge Miniature Circuit Breaker, THHQC Series, 60A, 1 Pole, 120/240V AC, 22kA at 120/240V AC THHQC1160WL
GE THHQC Standard Surface Mount/DIN Rail Miniature Circuit Breaker
17 results
table view View Items
Eaton Miniature Circuit Breakers MCBs FAZ-K8/4
EATON CB Miniture Circuit Breaker Din Rail Miniature Circuit Breaker
7 results
table view View Items
Siemens Miniature Circuit Breaker, QP/MP Series, 15A, 1 Pole, 120/240V AC ITEQ115
SIEMENS QP/MP Standard Plug In Miniature Circuit Breaker
4 results
table view View Items
Carling Technologies Circuit Breaker, M Series, 10A, 2 Pole, 250V AC, 1.5kA at 120V AC, C Curve MU2-B-34-610-1-A21-B-E
CARLING TECHNOLOGIES M Magnetic Plug In Circuit Breaker
7 results
table view View Items
Siemens Circuit Breaker, 5SY6 Series, 50A, 3 Pole, 400V AC, 5kA at 400V AC, B Curve 5SY63506
SIEMENS 5SY6 Motor Circuit Protection Surface Mount/DIN Rail Circuit Breaker
2 results
table view View Items
Te Connectivity Circuit Breaker, W6 Series, 15A, 1 Pole, 240/415V AC, 5kA at 277V AC 6-1393252-7
TE CONNECTIVITY W6 Magnetic Surface Mount/DIN Rail Circuit Breaker
7 results
table view View Items
Ge Electric Circuit Breaker, THQP Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC 6122410
GE ELECTRIC THQP Standard Plug In Circuit Breaker
7 results
table view View Items
Siemens Miniature Circuit Breaker, BFH Series, 15A, 1 Pole, 120V AC, 22kA at 120V AC BF115H
SIEMENS BFH Ground Fault Circuit Interrupter Bolt On Miniature Circuit Breaker
2 results
table view View Items
Te Connectivity Circuit Breaker, W5 Series, 5A, 1 Pole, 250V AC, 1kA at 250V AC/50V DC 1423901-1
TE CONNECTIVITY W5 Thermal Surface Mount/DIN Rail Circuit Breaker
8 results
table view View Items
Ge Molded Case Circuit Breaker, THED Series, 30A, 3 Pole, 600V AC, 18kA at 600V AC THED136030WL
GE THED Standard Plug In Molded Case Circuit Breaker
10 results
table view View Items
Te Connectivity Circuit Breaker, W9 Series, 30A, 4 Pole, 240/415V AC, 5kA at 250V AC or 415V AC/240V AC 2-1393255-2
TE CONNECTIVITY W9 Magnetic Surface Mount/DIN Rail Circuit Breaker
12 results
table view View Items
Circuit Breakers (244 items) - Page 4
  • First
  • Previous
  • 4
    of 7 pages
  • Next
  • Last
How was your search?

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

Circuit Breaker & Panelboard AccessoriesPanelboards, Load Centers, & Circuit Breaker EnclosuresElectrical Switches & RelaysFusesCable Routing & Conduit
Electrical ControlsPower Wire & CableWire Connectors & TerminalsStraight Blade DevicesElectrical Box Covers
circuit breaker thqlcarling breakerscircuit breaker br seriesnavien npe-240a2square d 40 amp
90 amp breakercircuit breaker 200 ampc series circuit breakerge 30 amp breakereaton 200 amp breaker

Sign up and save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every part plays a part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Deals
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research
  • Tax Exemption

Zoro, Inc

Connect

Customer service from real people

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc