CMB-203-27GNN-B-A The Littelfuse CMB-203-27GNN-B-A is a 1-pole, 20A thermal circuit breaker designed for panel mounting. It features a push-to-reset actuator and a 250V voltage rating.
Mfr Part #:

CMB-203-27GNN-B-A

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse CMB-203-27GNN-B-A is a 1-pole, 20A thermal circuit breaker designed for panel mounting. It features a push-to-reset actuator and a 250V voltage rating.
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CMB-203-27GNN-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-203-27GNN-B-A Description

Short technical summary and product information.

The Littelfuse CMB-203-27GNN-B-A is a single-pole thermal circuit breaker rated for 20 amps and 250 volts. Designed for panel mount applications, this breaker utilizes a push-to-reset actuator for convenient operation.

 

Key electrical specifications include a 20A current rating and a 250V voltage rating, making it suitable for various protection circuits. The breaker type is thermal, providing reliable overcurrent protection.

 

This circuit breaker is approved by multiple agencies, including CE, cUL, TUV, UL1077, and UL1500, ensuring compliance with industry standards. It features a 'None' illumination type and is RoHS3 compliant.

 

The CMB-203-27GNN-B-A is designed for straightforward panel mounting, integrating easily into control panels and electrical enclosures.

CMB-203-27GNN-B-A Quick Information

Product Type: Thermal Circuit Breaker
Canonical Name: CMB-203-27GNN-B-A Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

CMB-203-27GNN-B-A Compliance

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

CMB-203-27GNN-B-A Features

  • 20 Amp current rating for protection.
  • 250 Volt voltage rating.
  • Single pole thermal breaker.
  • Push to reset actuator.
  • Panel mount design.

CMB-203-27GNN-B-A Applications

  • Overcurrent protection for power supply circuits
  • Panel mount circuit protection for equipment
  • Manual reset for appliance overload protection
  • Used in automotive and marine electrical systems
  • Industrial control panel circuit protection

CMB-203-27GNN-B-A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-203-27GNN-B-A circuit breaker?

The current rating is 20A.

What is the voltage rating for this thermal circuit breaker?

The voltage rating is 250V.

How many poles does the CMB-203-27GNN-B-A have?

It has 1 pole.

What type of actuator does this circuit breaker use?

It uses a push to reset actuator.

What are the approval agencies for the CMB-203-27GNN-B-A?

Approval agencies include CE, cUL, TUV, UL1077, and UL1500.

Is the CMB-203-27GNN-B-A RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

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