CMB-053-27G3N-B-A The CMB-053-27G3N-B-A is a 5A 250V single-pole thermal circuit breaker from Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

CMB-053-27G3N-B-A

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The CMB-053-27G3N-B-A is a 5A 250V single-pole thermal circuit breaker from Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
Stock on Request

CMB-053-27G3N-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-053-27G3N-B-A Description

Short technical summary and product information.

The CMB-053-27G3N-B-A is a single-pole thermal circuit breaker from Littelfuse Inc. rated for 5A at 250V. It uses a thermal breaker mechanism that trips when an overcurrent condition causes internal heating, providing reliable overcurrent protection.

 

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

 

Typical applications include power distribution, industrial controls, and equipment requiring resettable overcurrent protection. The single-pole configuration makes it suitable for protecting individual load circuits.

CMB-053-27G3N-B-A Quick Information

Product Type: Thermal Circuit Breaker
Series: CMB-053
Canonical Name: CMB-053-27G3N-B-A Thermal Circuit Breaker
Subcategory: Circuit Breakers

CMB-053-27G3N-B-A Compliance

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

CMB-053-27G3N-B-A Features

  • Rated for 5A at 250V operation.
  • Single-pole thermal breaker mechanism.
  • Push-to-reset actuator for manual reset.
  • Panel mount design for easy installation.
  • Approved by CE, cUL, TUV, UL1077, UL1500.

CMB-053-27G3N-B-A Applications

  • Overcurrent protection for power supply circuits.
  • Used in industrial control panel applications.
  • Motor branch circuit overcurrent protection.
  • Panel mount breaker for electrical equipment.

CMB-053-27G3N-B-A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-053-27G3N-B-A?

The current rating is 5A.

What is the voltage rating of the CMB-053-27G3N-B-A?

The voltage rating is 250V.

What type of circuit breaker is the CMB-053-27G3N-B-A?

It is a thermal circuit breaker.

How many poles does the CMB-053-27G3N-B-A have?

It has 1 pole.

What is the actuator type of the CMB-053-27G3N-B-A?

The actuator type is push to reset.

What mounting type does the CMB-053-27G3N-B-A use?

It uses panel mount.

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