Manufacturer: OptiFuse × Clear Filters Showing 604 of 63 594 products
MOCB-24-N-20A

MOCB-24-N-20A

OptiFuse

Description

NO BRACKET-TYPE II MOD, 20A 24V

In Stock: 0

$4.18000

141150

141150

OptiFuse

Description

HIGH AMPS CB - TYPE I AUTO, 150A

In Stock: 0

$22.00000

ACBM-PX-10A

ACBM-PX-10A

OptiFuse

Description

MAXI FUSE FOOTPRINT-TYPE I, 10A

In Stock: 0

$5.77000

CBW57-PL-10A-5X

CBW57-PL-10A-5X

OptiFuse

Description

CIR BRKR THRM 10A 250VAC 32VDC

In Stock: 71

$2.31000

MRCB-24-H-30A

MRCB-24-H-30A

OptiFuse

Description

HOR. BRACKET - TYPE III, 30A 24V

In Stock: 0

$4.53000

253250

253250

OptiFuse

Description

HIGH AMP CB-TYPE III MANUAL,250A

In Stock: 0

$32.62000

153080

153080

OptiFuse

Description

HIGH AMP CB-TYPE III MANUAL, 80A

In Stock: 230

$23.14000

353140

353140

OptiFuse

Description

HIGH AMP CB-TYPE III MANUAL,140A

In Stock: 0

$25.79000

CBW58-HL4-20A-5C

CBW58-HL4-20A-5C

OptiFuse

Description

CIR BRKR THRM 20A 250VAC 50VDC

In Stock: 315

$4.85000

MOCBM-PL-20A

MOCBM-PL-20A

OptiFuse

Description

REG. FUSE FOOTPR CB-TYPE II, 20A

In Stock: 0

$3.00000

MRCB-24-N-50A

MRCB-24-N-50A

OptiFuse

Description

NO BRACKET - TYPE III, 50A 24V

In Stock: 0

$4.53000

MOCB2-TP-40A

MOCB2-TP-40A

OptiFuse

Description

QC FOOTPRINT CB - TYPE II, 40A

In Stock: 0

$6.69000

CBW57-PS-15A-1X

CBW57-PS-15A-1X

OptiFuse

Description

CIR BRKR THRM 15A 250VAC 32VDC

In Stock: 124

$2.10000

ACBP4-PML-7.5A

ACBP4-PML-7.5A

OptiFuse

Description

MINI FUSE FOOTPR. CB-TYPE I,7.5A

In Stock: 0

$4.36000

MOCB-12-N-10A

MOCB-12-N-10A

OptiFuse

Description

NO BRACKET-TYPE II MOD, 10A 12V

In Stock: 0

$3.97000

MOCB2-PL-40A

MOCB2-PL-40A

OptiFuse

Description

FUSE FOOTPRINT CB-TYPE II , 40A

In Stock: 0

$6.69000

353300

353300

OptiFuse

Description

HIGH AMP CB-TYPE III MANUAL,300A

In Stock: 318

$33.76000

MOCBM-2PX-8A

MOCBM-2PX-8A

OptiFuse

Description

MAXI FUSE FOOTPRINT-TYPE II, 8A

In Stock: 0

$6.52000

ACBP-12-N-10A

ACBP-12-N-10A

OptiFuse

Description

NO BRACKET-TYPE I AUTO,10A 12V

In Stock: 0

$2.83000

MOCBM-2PX-30A

MOCBM-2PX-30A

OptiFuse

Description

MAXI FUSE FOOTPRINT-TYPE II, 30A

In Stock: 0

$6.52000

Circuit Breakers for Reliable Overcurrent Protection and Resettable Safety

Circuit breakers provide dependable protection against overload and short circuits while allowing easy reset and reuse. They are widely used in industrial, automotive, and electronic systems requiring reliable circuit protection.

In-Stock Circuit Breakers with Fast Delivery

We offer a broad range of circuit breakers with strong inventory and stable supply channels. Whether for prototyping or large-scale production, we support fast quotation, no minimum order quantity, and BOM sourcing services. We also assist in sourcing obsolete or hard-to-find components to ensure supply continuity.

Product Features and Engineering Advantages

  • Reliable overcurrent and short-circuit protection
  • Resettable design for repeated use
  • Available in thermal, magnetic, and thermal-magnetic types
  • Wide current and voltage ratings
  • High safety and durability for critical applications
  • In-stock availability with fast global delivery
  • No MOQ required for flexible purchasing
  • Support for small batch and bulk orders
  • BOM quotation and component sourcing services
  • Alternative solutions for discontinued components
  • Original quality with third-party testing support

Applications in Power Distribution and Industrial Systems

Circuit breakers are widely used in power distribution systems, industrial equipment, automotive systems, and electronic devices to provide safe and reliable protection against electrical faults.

Quality Assurance and After-Sales Support

All products come with a 180-day warranty. In case of quality issues, customers must provide valid supporting materials such as authorized test reports, images, or videos. Any claims must be submitted within the warranty period. We ensure fast response and effective resolution.

FAQ

1. What is a circuit breaker used for?

A circuit breaker is used to protect electrical circuits from overload and short circuits by automatically interrupting current flow.

2. What is the difference between a fuse and a circuit breaker?

A fuse must be replaced after operation, while a circuit breaker can be reset and reused multiple times.

3. What types of circuit breakers are available?

Common types include thermal, magnetic, and thermal-magnetic circuit breakers, each suited for different protection requirements.

4. How do I choose the right circuit breaker?

Selection depends on current rating, voltage rating, trip characteristics, and application environment.

5. Do you support sourcing discontinued circuit breakers?

Yes, we help source obsolete or hard-to-find circuit breakers and can recommend suitable alternatives.

6. What is your quality assurance policy?

All products come with a 180-day warranty. Customers must provide authorized test reports or visual evidence for any claims within the valid period.

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