Manufacturer: Wickmann / Littelfuse × Clear Filters Showing 214 of 63 594 products
0813040.ZXST

0813040.ZXST

Wickmann / Littelfuse

Description

CIR BRKR 40A 12VDC AUTO RESET

In Stock: 0

$0.00000

0185080.X

0185080.X

Wickmann / Littelfuse

Description

CIRCUIT BREAKER 80A

In Stock: 0

$46.23560

0185120.XP

0185120.XP

Wickmann / Littelfuse

Description

CIRCUIT BREAKER 120A

In Stock: 0

$48.32400

30055-50

30055-50

Wickmann / Littelfuse

Description

CIR BRKR 50A 12V MET BRK HWD

In Stock: 0

$9.15963

30063-20

30063-20

Wickmann / Littelfuse

Description

CIR BRKR 20AMP

In Stock: 120

$20.92975

0813020.XP

0813020.XP

Wickmann / Littelfuse

Description

CIR BRKR 20A 12VDC AUTO RESET

In Stock: 3 315

$14.86200

0ACB030.XP

0ACB030.XP

Wickmann / Littelfuse

Description

CIR BRKR 30A 12VDC AUTO RESET

In Stock: 0

$6.93467

30171-15

30171-15

Wickmann / Littelfuse

Description

CIR BRKR 15A 24V MEL HWD

In Stock: 0

$9.56825

30419-15

30419-15

Wickmann / Littelfuse

Description

ATM CIR BRKR TYPE 2

In Stock: 0

$9.72100

30128-40

30128-40

Wickmann / Littelfuse

Description

CIR BRKR 40A 12V MET BRK HWD

In Stock: 0

$9.60163

0ACB020.XP

0ACB020.XP

Wickmann / Littelfuse

Description

CIR BRKR 20A 12VDC AUTO RESET

In Stock: 1 320

$8.89600

0185060.X

0185060.X

Wickmann / Littelfuse

Description

CIRCUIT BREAKER 60A

In Stock: 0

$46.23560

30128-30

30128-30

Wickmann / Littelfuse

Description

CIR BRKR 30A 12V MET BRK HWD

In Stock: 0

$9.60163

BMIB005.Z

BMIB005.Z

Wickmann / Littelfuse

Description

CIR BRKR 5A 12VDC AUTO RESET

In Stock: 0

$6.79000

30409-15

30409-15

Wickmann / Littelfuse

Description

CIR BRKR 15AMP

In Stock: 1 599

$7.65075

0813040.XP

0813040.XP

Wickmann / Littelfuse

Description

CIR BRKR 40A 12VDC AUTO RESET

In Stock: 5 370

$14.86200

0CBF015.Z

0CBF015.Z

Wickmann / Littelfuse

Description

FUSE CLIP CIRCUIT BRKR BOX 15A

In Stock: 0

$9.79112

0UCB005.XP

0UCB005.XP

Wickmann / Littelfuse

Description

CIR BRKR 5A 12VDC AUTO RESET

In Stock: 255

$8.57667

30055-40

30055-40

Wickmann / Littelfuse

Description

CIR BRKR 40A 12V MET BRK HWD

In Stock: 0

$9.15963

0CBF010.XP

0CBF010.XP

Wickmann / Littelfuse

Description

CBK FUSE CLIP CIRCUIT BRKR 10A

In Stock: 0

$15.13200

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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