QMB-053-11C3N-3BA

QMB-053-11C3N-3BA

Qualtek Electronics Corp.

Description

CIR BRKR THRM 5A 250VAC 32VDC

In Stock: 0

$2.89000

PP11-2-15.0A-XX-V

PP11-2-15.0A-XX-V

Sensata Technologies – Airpax

Description

CIR BRKR 15A 125VAC 32VDC

In Stock: 8

$11.46000

4430.1353

4430.1353

Schurter

Description

CIR BRKR THRM 5A 240VAC 60VDC

In Stock: 98 260

$20.55000

IUGN66-1-72-2.50

IUGN66-1-72-2.50

Sensata Technologies – Airpax

Description

CIR BRKR MAG-HYDR 2.5A TOGGLE

In Stock: 0

$97.92000

GSB631PC3

GSB631PC3

Carlo Gavazzi

Description

MCB UL1077 C 1P 3A

In Stock: 19

$10.10000

MOCB2-PL-20A

MOCB2-PL-20A

OptiFuse

Description

FUSE FOOTPRINT CB-TYPE II , 20A

In Stock: 0

$6.69000

4400.0015

4400.0015

Schurter

Description

CIR BRKR THRM 8A 240VAC 48VDC

In Stock: 122

$9.96000

4230-T120-K0DU-4A

4230-T120-K0DU-4A

E-T-A

Description

CIR BRK THERM-M 4A 480VAC/125VDC

In Stock: 0

$52.29000

4400.0024

4400.0024

Schurter

Description

CIR BRKR THRM 3A 240VAC 48VDC

In Stock: 98

$9.96000

IULK1-1-42-20.0-01

IULK1-1-42-20.0-01

Sensata Technologies – Airpax

Description

CIR BRKR MAG-HYDR 20A LEVER

In Stock: 0

$50.10000

W67-X2Q52-10

W67-X2Q52-10

TE Connectivity Potter & Brumfield Relays

Description

CIR BRKR MAG-HYDR 10A 65VDC

In Stock: 144

$32.49000

W93-X112-30V

W93-X112-30V

TE Connectivity Potter & Brumfield Relays

Description

CIR BRKR MAG-HYDR 30A 415VAC

In Stock: 0

$39.22208

353060

353060

OptiFuse

Description

HIGH AMP CB-TYPE III MANUAL, 60A

In Stock: 0

$25.79000

EA1-B0-24-620-12A-CC

EA1-B0-24-620-12A-CC

Carling Technologies

Description

CIR BRKR 20A 600VAC 125VDC

In Stock: 0

$50.80250

9926251013

9926251013

Weidmuller

Description

CIR BRKR MAG-HYDR 13A 120VAC

In Stock: 2 320

$32.53000

SU2C6UC

SU2C6UC

Weidmuller

Description

CB PROTECTOR 1077 2P C 6A ACDC

In Stock: 8

$38.14000

IULK1111-1REC4-61-1.00-01

IULK1111-1REC4-61-1.00-01

Sensata Technologies – Airpax

Description

CIR BRKR MAG-HYDR 1A LEVER

In Stock: 0

$228.84000

T21-2-20.0A-01-31AL-S

T21-2-20.0A-01-31AL-S

Sensata Technologies – Airpax

Description

CIR BRKR MAG-HYDR 20A TOGGLE

In Stock: 0

$28.14000

IELHK111-1-62-50.0-01-V

IELHK111-1-62-50.0-01-V

Sensata Technologies – Airpax

Description

CIR BRKR MAG-HYDR LEVER 50A

In Stock: 0

$160.74000

LELK1-1REC4-30326-100

LELK1-1REC4-30326-100

Sensata Technologies – Airpax

Description

CIR BRKR MAG-HYDR LEVER

In Stock: 39

$66.78000

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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