Manufacturer: OptiFuse × Clear Filters Showing 604 of 63 594 products
MRCBP4-PM-15A

MRCBP4-PM-15A

OptiFuse

Description

MINI FUSE FOOTPR CB-TYPE III,15A

In Stock: 3 553

$4.96000

CBW58-EL-50A

CBW58-EL-50A

OptiFuse

Description

CIR BRKR THRM 50A 250VAC 50VDC

In Stock: 259

$8.28000

ACBP-H-10A

ACBP-H-10A

OptiFuse

Description

CIR BRKR 10A 32VDC AUTO RESET

In Stock: 1 772

$1.87000

ACBP-N-50A

ACBP-N-50A

OptiFuse

Description

CIR BRKR 50A 32VDC AUTO RESET

In Stock: 1 305

$2.20000

ACBP-H-30C

ACBP-H-30C

OptiFuse

Description

CIR BRKR 30A 32VDC AUTO RESET

In Stock: 753

$2.11000

ACBM-PL-15A

ACBM-PL-15A

OptiFuse

Description

REG. FUSE FOOTPR. CB-TYPE I, 15A

In Stock: 0

$3.03000

CBW57-HB-15A-P

CBW57-HB-15A-P

OptiFuse

Description

CIR BRKR THRM 15A 250VAC 32VDC

In Stock: 0

$3.80000

MRCBP-N-20A

MRCBP-N-20A

OptiFuse

Description

CIR BRKR 20A 32VDC PUSH-RESET

In Stock: 0

$2.45000

CBW57-ES-5A

CBW57-ES-5A

OptiFuse

Description

CIR BRKR THRM 5A 250VAC 32VDC

In Stock: 4

$2.08000

CBW58-HL4-20A-5X

CBW58-HL4-20A-5X

OptiFuse

Description

CIR BRKR THRM 20A 250VAC 50VDC

In Stock: 714

$4.33000

CBW57-PS-15A

CBW57-PS-15A

OptiFuse

Description

CIR BRKR THRM 15A 250VAC 32VDC

In Stock: 332

$1.52000

MRCBP-H-10A

MRCBP-H-10A

OptiFuse

Description

CIR BRKR 10A 32VDC PUSH-RESET

In Stock: 362

$2.45000

CBW57-PS-5A

CBW57-PS-5A

OptiFuse

Description

CIR BRKR THRM 5A 250VAC 32VDC

In Stock: 639

$2.05000

MRCBP-H-40C

MRCBP-H-40C

OptiFuse

Description

CIR BRKR 40A 32VDC PUSH-RESET

In Stock: 0

$3.13000

ACBP-N-50C

ACBP-N-50C

OptiFuse

Description

CIR BRKR 50A 32VDC AUTO RESET

In Stock: 0

$2.45000

CBW58-BL-50A-5X

CBW58-BL-50A-5X

OptiFuse

Description

CIR BRKR THRM 50A 250VAC 50VDC

In Stock: 114

$9.31000

ACBP-V-10A

ACBP-V-10A

OptiFuse

Description

CIR BRKR 10A 32VDC AUTO RESET

In Stock: 795

$1.87000

ACBP4-PS-5A

ACBP4-PS-5A

OptiFuse

Description

MINI LP FOOTPR, CB-TYPE I, 5A

In Stock: 803

$4.55000

CBW58-EL-40A

CBW58-EL-40A

OptiFuse

Description

CIR BRKR THRM 40A 250VAC 50VDC

In Stock: 855

$7.14000

ACBP4-PM-30A

ACBP4-PM-30A

OptiFuse

Description

MINI FUSE FOOTPR. CB-TYPE I, 30A

In Stock: 380

$2.64000

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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