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
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
Cart Icon
0
Cart Icon
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 (246 items) - Page 5

Eaton Molded Case Circuit Breaker, FD Series, 80A, 3 Pole, 600V AC, 65kA at 240/277V AC FD3080
EATON FD Standard Free Standing 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
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
Schneider Electric Circuit Breaker, QO Series, 15A, 2 Pole, 120/240V AC, 10kA at 120/240V AC 3062387
SCHNEIDER ELECTRIC QO Standard Plug In Circuit Breaker
2 results
table view View Items
Schneider Electric Circuit Breaker, HOM Series, 50A, 2 Pole, 120/240V AC, 10kA 3205606
SCHNEIDER ELECTRIC HOMELINE Standard Plug In Circuit Breaker
2 results
table view View Items
Eaton Circuit Breaker, CB Series, 20A, 1 Pole, 120/240V AC, 22000A at 120/240V AC QPHW1020
Eaton

Circuit Breaker, CB Series, 20A, 1 Pole, 120/240V AC, 22000A at 120/240V AC

Zoro # G312884654
Mfr # QPHW1020
product price:  $30.89
/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:  $69.99
/ea
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
Te Connectivity Circuit Breaker, W5 Series, 25A, 1 Pole, 250V AC, 1kA at 250V AC/50V DC 1-1423674-0
TE CONNECTIVITY W5 Thermal Surface Mount/DIN Rail Circuit Breaker
8 results
table view View Items
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
Siemens Miniature Circuit Breaker, QP/MP Series, 15A, 2 Pole, 120/240V AC ITEQ215
SIEMENS QP/MP Standard Plug In Miniature Circuit Breaker
4 results
table view View Items
Ubi Circuit Breaker, UBIZ Series, 90A, 2 Pole, 120/240V AC, 10kA UBIZ290
UBI UBIZ Magnetic Plug In Circuit Breaker
9 results
table view View Items
Ubi Circuit Breaker, UBIP Series, 70A, 2 Pole, 120/240V AC, 10kA UBIP270
UBI UBIP Standard Bolt On Circuit Breaker
3 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
Connecticut Electric Circuit Breaker, Zinsco Series, 60A, 2 Pole, 120/240V AC, 10kA UBIZ260B
CONNECTICUT ELECTRIC Zinsco Standard Bolt On Circuit Breaker
9 results
table view View Items
Siemens Circuit Breaker, 5SY4 Series, 10A, 3 Pole, 400V AC, 10kA at 400V AC, C Curve 5SY43107
SIEMENS 5SY4 Supplementary Protector Surface Mount/DIN Rail Circuit Breaker
19 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
Siemens Miniature Circuit Breaker, BQ Series, 40A, 3 Pole, 240V AC, 10kA at 240V AC BQ3B04000S01
SIEMENS BQ Shunt Trip Bolt On Miniature Circuit Breaker
27 results
table view View Items
Eaton Cutler-Hammer Combination Circuit Breaker, CB Series, 15A, 1 Pole, 120V AC BRP115AF
Eaton Cutler-Hammer

Combination Circuit Breaker, CB Series, 15A, 1 Pole, 120V AC

Zoro # G711891369
Mfr # BRP115AF
product price:  $223.99
/ea
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
table view View Items
Schneider Electric Circuit Breaker, HOM Series, 15A, 1 Pole, 120V AC, 10kA 3119021
Schneider Electric

Circuit Breaker, HOM Series, 15A, 1 Pole, 120V AC, 10kA

Zoro # G610635552
Mfr # 3119021
product price:  $98.89
/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
Eaton Circuit Breaker, CB Series, 25A, 1 Pole, 120V AC BRN125GF
Eaton

Circuit Breaker, CB Series, 25A, 1 Pole, 120V AC

Zoro # G012884688
Mfr # BRN125GF
product price:  $106.99
/ea
Eaton Miniature Circuit Breaker, CB Series, 15KA, 277V AC FAZ-B16/1N
EATON CB Miniture Circuit Breaker Din Rail Miniature Circuit Breaker
7 results
table view View Items
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 D25/2 Series, 25A, 2 Pole, 480V AC, 7.5kA at 480V AC, D Curve 5ZVF0
Dayton

Circuit Breaker, NDB2-63 D25/2 Series, 25A, 2 Pole, 480V AC, 7.5kA at 480V AC, D Curve

Zoro # G2225517
Mfr # 5ZVF0
product price:  $49.15
/ea
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:  $43.89
/ea
Eaton Cutler-Hammer Circuit Breaker, BRN Series, 15A, 1 Pole, 120/240V AC, 10kA BRN115GF
EATON CUTLER-HAMMER BRN Ground Fault Circuit Interrupter Plug In Circuit Breaker
2 results
table view View Items
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, BRN Series, 15A, 1 Pole, 120/240V AC, 10kA BRN115GF
Eaton

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

Zoro # G8653789
Mfr # BRN115GF
product price:  $89.79
/ea
Crouse-Hinds Miniature Circuit Breakers MCBs HQP2060
CROUSE-HINDS CB Miniture Circuit Breaker Plug On Miniature Circuit Breaker
2 results
table view View Items
Schneider Electric Miniature Circuit Breaker, HOMT Series, 15 to 20A, 1 Pole, 120/240V AC, 10kA HOMT1520CP
Schneider Electric

Miniature Circuit Breaker, HOMT Series, 15 to 20A, 1 Pole, 120/240V AC, 10kA

Zoro # G2691321
Mfr # HOMT1520CP
product price:  $24.55
/ea
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, THED Series, 25A, 3 Pole, 600V AC, 18kA at 600V AC THED136025WL
GE THED Standard Plug In Molded Case Circuit Breaker
10 results
table view View Items
Eaton Molded Case Circuit Breaker, HKD Series, 300A, 3 Pole, 600V AC, 100kA at 240V AC HKD3300
EATON HKD Standard Free Standing Molded Case Circuit Breaker
3 results
table view View Items
Siemens Miniature Circuit Breaker, BQH Series, 100A, 2 Pole, 120/240V AC, 22kA at 120/240V AC BQ2B100H
SIEMENS BQH High Interrupting Bolt On Miniature Circuit Breaker
28 results
table view View Items
Circuit Breakers (246 items) - Page 5
  • First
  • Previous
  • 5
    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 & RelaysCable Routing & ConduitFuses
Electrical ControlsPower Wire & CableWire Connectors & TerminalsStraight Blade DevicesElectrical Box Covers
eaton miniature circuit breaker4 pole circuit breakercircuit breaker br seriescircuit breakers 2 polebl breaker
square d 40 ampcircuit breaker thqleaton 100 amp breakereaton 200 amp breakerc series circuit 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

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