CMB-123-11C5A-B-A Littelfuse CMB-123-11C5A-B-A thermal circuit breaker rated 12A at 250V. Panel mount with push-to-reset actuator. Single pole design.
Mfr Part #:

CMB-123-11C5A-B-A

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse CMB-123-11C5A-B-A thermal circuit breaker rated 12A at 250V. Panel mount with push-to-reset actuator. Single pole design.
Stock on Request

CMB-123-11C5A-B-A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
SVHC Present
Voltage Rating

CMB-123-11C5A-B-A Description

Short technical summary and product information.

The Littelfuse CMB-123-11C5A-B-A is a thermal circuit breaker designed for overcurrent protection in electrical circuits. It features a current rating of 12A and a voltage rating of 250V. The breaker uses a thermal trip mechanism, providing reliable protection against sustained overloads.

 

The circuit breaker is panel mounted and uses a push-to-reset actuator, allowing manual reset after a trip event. It is a single-pole configuration, suitable for single-phase applications. The product carries approvals from multiple agencies including CE, cUL, TUV, UL1077, and UL1500, indicating compliance with international safety standards.

 

Intended for use in power distribution, industrial controls, and equipment protection, this breaker offers a compact and robust solution for circuit protection needs.

CMB-123-11C5A-B-A Quick Information

Product Type: Circuit Breaker
Canonical Name: CMB-123-11C5A-B-A Thermal Circuit Breaker, 12A, 250V, Panel Mount, Push-to-Reset
Subcategory: Panel Mount Push-to-Reset Circuit Breakers

CMB-123-11C5A-B-A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CMB-123-11C5A-B-A Features

  • Rated 12A trip current at 250V.
  • Thermal trip mechanism for overcurrent protection.
  • Panel mount design for easy installation.
  • Push-to-reset actuator for manual reset.
  • Single pole configuration for single-phase circuits.

CMB-123-11C5A-B-A Applications

  • Overcurrent protection in power distribution panels.
  • Supplementary protection in industrial control equipment.
  • Circuit breakers for marine and automotive applications.
  • Use in equipment requiring UL1077 or UL1500 compliance.

CMB-123-11C5A-B-A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the CMB-123-11C5A-B-A?

The voltage rating is 250V.

What is the current rating of this circuit breaker?

The current rating is 12A.

What type of breaker mechanism does it use?

It uses a thermal trip mechanism.

How is the circuit breaker mounted?

It is panel mounted.

What type of actuator does it have?

It has a push-to-reset actuator.

How many poles does the CMB-123-11C5A-B-A have?

It is a single-pole circuit breaker.

What safety approvals does this circuit breaker hold?

It is approved to CE, cUL, TUV, UL1077, and UL1500.

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