CMB-143-27G3N-W-A The CMB-143-27G3N-W-A is a 14A 250V single-pole thermal circuit breaker from Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

CMB-143-27G3N-W-A

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The CMB-143-27G3N-W-A is a 14A 250V single-pole thermal circuit breaker from Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
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CMB-143-27G3N-W-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
Voltage Rating

CMB-143-27G3N-W-A Description

Short technical summary and product information.

The CMB-143-27G3N-W-A is a single-pole thermal circuit breaker manufactured by Littelfuse Inc. It is rated for 14A at 250V and uses a thermal breaker mechanism for overcurrent protection.

 

The breaker features a push-to-reset actuator and is designed for panel mount installation. It is not illuminated. The device carries approvals from CE, cUL, TUV, UL1077, and UL1500.

 

This circuit breaker is suitable for applications requiring reliable overcurrent protection in a compact, panel-mount package. The thermal trip mechanism provides a time-delay characteristic that helps avoid nuisance tripping from temporary inrush currents.

CMB-143-27G3N-W-A Quick Information

Product Type: Circuit Breaker
Canonical Name: CMB-143-27G3N-W-A Thermal Circuit Breaker
Subcategory: Panel Mount Circuit Breakers

CMB-143-27G3N-W-A Compliance

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

CMB-143-27G3N-W-A Features

  • Rated for 14A at 250V operation.
  • Single-pole thermal breaker mechanism.
  • Push-to-reset actuator for manual reset.
  • Panel mount design for easy installation.
  • Approved to CE, cUL, TUV, UL1077, UL1500.

CMB-143-27G3N-W-A Applications

  • Overcurrent protection for power supplies.
  • Protection for industrial control equipment.
  • Used in panel-mounted distribution systems.
  • Suitable for marine and automotive applications.

CMB-143-27G3N-W-A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-143-27G3N-W-A?

The current rating is 14A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of breaker mechanism does it use?

It uses a thermal breaker mechanism.

How many poles does the CMB-143-27G3N-W-A have?

It is a single-pole circuit breaker.

What actuator type does this breaker have?

It has a push-to-reset actuator.

What mounting type does this circuit breaker use?

It is designed for panel mount installation.

What agency approvals does the CMB-143-27G3N-W-A carry?

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

CMB-143-27G3N-W-A Alternate Parts

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The CMB-143-27GNN-B-A is a 1-pole thermal circuit breaker from Littelfuse Inc., rated for 14A at 250V. It features a push-to-reset actuator and is panel mountable.
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