CMB-143-27GNN-B-A 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.
Mfr Part #:

CMB-143-27GNN-B-A

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
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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CMB-143-27GNN-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
Voltage Rating

CMB-143-27GNN-B-A Description

Short technical summary and product information.

The CMB-143-27GNN-B-A is a single-pole thermal circuit breaker manufactured by Littelfuse Inc. It is rated for 14A continuous current at 250V, providing reliable overcurrent protection for a variety of applications. The breaker uses a thermal mechanism that responds to sustained overcurrent conditions by opening the circuit.

 

The actuator type is push-to-reset, allowing for manual reset after a trip event. This component is designed for panel mount installation, making it suitable for integration into control panels, power distribution units, and other equipment requiring a resettable overcurrent protection device.

 

The CMB-143-27GNN-B-A carries approvals from CE, cUL, TUV, UL1077, and UL1500, indicating compliance with international safety standards. It is RoHS3 compliant and REACH unaffected.

CMB-143-27GNN-B-A Quick Information

Product Type: Thermal Circuit Breaker
Canonical Name: CMB-143-27GNN-B-A Thermal Circuit Breaker
Subcategory: Circuit Breakers

CMB-143-27GNN-B-A Compliance

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

CMB-143-27GNN-B-A Features

  • Rated for 14A at 250V continuous current.
  • Single-pole thermal overcurrent protection.
  • Push-to-reset actuator for manual reset.
  • Panel mount installation design.
  • Approved by CE, cUL, TUV, UL1077, UL1500.

CMB-143-27GNN-B-A Applications

  • Overcurrent protection for control panels.
  • Power distribution unit circuit protection.
  • Industrial equipment branch circuit protection.
  • Marine and automotive auxiliary circuit protection.

CMB-143-27GNN-B-A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-143-27GNN-B-A?

The CMB-143-27GNN-B-A has a current rating of 14A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of circuit breaker is the CMB-143-27GNN-B-A?

It is a thermal circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What type of actuator does this breaker use?

It uses a push-to-reset actuator.

What is the mounting type for this circuit breaker?

It is designed for panel mount.

CMB-143-27GNN-B-A Alternate Parts

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The Littelfuse Inc. CMB-143-11DNN-B-D is a thermal circuit breaker designed for panel mounting. It features a 14A current rating and a 250V voltage rating.
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CMB-143-11DNN-B-A
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The Littelfuse Inc. CMB-143-11DNN-B-A is a thermal circuit breaker designed for panel mounting. It features a 14A current rating and a 250V voltage rating.
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The Littelfuse Inc. CMB-143-11CNN-B-A is a thermal circuit breaker designed for panel mounting. It features a 14A current rating and a 250V voltage rating.
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CMB-143-27GNN-W-A
CMB-143-27GNN-W-A
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The CMB-143-27GNN-W-A is a 14A, 250V thermal circuit breaker from Littelfuse Inc. It features a single pole, push-to-reset actuator, and panel mount design.
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