Manufacturer: Wickmann / Littelfuse × Clear Filters Showing 214 of 63 594 products
30410-40

30410-40

Wickmann / Littelfuse

Description

CIRCUIT BREAKER 40AMP

In Stock: 0

$0.00000

0MNB015.X

0MNB015.X

Wickmann / Littelfuse

Description

CIR BRKR 15A 12VDC AUTO RESET

In Stock: 30

$0.00000

30418-15

30418-15

Wickmann / Littelfuse

Description

ATM BRKR TYPE 1

In Stock: 0

$0.00000

0185120.X

0185120.X

Wickmann / Littelfuse

Description

CIRCUIT BREAKER 120A

In Stock: 0

$0.00000

0813035.ZXST

0813035.ZXST

Wickmann / Littelfuse

Description

CIR BRKR 35A 12VDC AUTO RESET

In Stock: 0

$0.00000

30410-25

30410-25

Wickmann / Littelfuse

Description

CIRCUIT BREAKER

In Stock: 0

$0.00000

30419-20

30419-20

Wickmann / Littelfuse

Description

ATM CIR BRKR TYPE 2

In Stock: 0

$0.00000

30056-50-WBXP

30056-50-WBXP

Wickmann / Littelfuse

Description

CIRCUIT BREAKER

In Stock: 0

$0.00000

30407-15-BX

30407-15-BX

Wickmann / Littelfuse

Description

CIRCUIT BREAKER 15A TYPE 3

In Stock: 0

$0.00000

30419-20-BX

30419-20-BX

Wickmann / Littelfuse

Description

CIRCUIT BREAKER

In Stock: 0

$0.00000

30401-15

30401-15

Wickmann / Littelfuse

Description

CIR BRKR 15AMP

In Stock: 0

$0.00000

30410-35

30410-35

Wickmann / Littelfuse

Description

CIRCUIT BREAKER 35AMP

In Stock: 0

$0.00000

BUCB005.H

BUCB005.H

Wickmann / Littelfuse

Description

100PK UCB BKR 5A

In Stock: 0

$0.00000

0MRB020.X

0MRB020.X

Wickmann / Littelfuse

Description

CIR BRKR 20A 12VDC PUSH-RESET

In Stock: 0

$0.00000

30407-30

30407-30

Wickmann / Littelfuse

Description

CIR BRKR 30A 12V RESET BRK HWD

In Stock: 0

$0.00000

30419-25-BX

30419-25-BX

Wickmann / Littelfuse

Description

CIRCUIT BREAKER

In Stock: 0

$0.00000

0211020.X

0211020.X

Wickmann / Littelfuse

Description

CIRCUIT BREAKER 20A AUTO RESET

In Stock: 0

$0.00000

P-30158-30

P-30158-30

Wickmann / Littelfuse

Description

CIRCUIT BREAKER 30A TYPE 1

In Stock: 0

$0.00000

30407-40

30407-40

Wickmann / Littelfuse

Description

CIR BRKR 40A 12V RESET BRK HWD

In Stock: 0

$0.00000

30407-40-BX

30407-40-BX

Wickmann / Littelfuse

Description

CIRCUIT BREAKER 40A TYPE 3

In Stock: 0

$0.00000

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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