CMB-203-27G3N-W-A Littelfuse CMB-203-27G3N-W-A is a 1-pole thermal circuit breaker rated for 20A at 250V. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

CMB-203-27G3N-W-A

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse CMB-203-27G3N-W-A is a 1-pole thermal circuit breaker rated for 20A at 250V. It features a push-to-reset actuator and panel mount design.
Stock on Request

CMB-203-27G3N-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
SVHC Present
Voltage Rating

CMB-203-27G3N-W-A Description

Short technical summary and product information.

The Littelfuse CMB-203-27G3N-W-A is a single-pole thermal circuit breaker designed for overcurrent protection in a variety of applications. This breaker is rated for 20A continuous current at 250V AC/DC, providing reliable protection against sustained overloads.

 

The push-to-reset actuator allows for easy manual reset after a trip event, making it suitable for applications where quick restoration of power is needed. The panel mount design simplifies installation into equipment enclosures.

 

This circuit breaker carries approvals from CE, cUL, TUV, UL1077, and UL1500, indicating compliance with international safety standards for supplementary circuit protection.

CMB-203-27G3N-W-A Quick Information

Product Type: Circuit Breaker
Series: CMB
Canonical Name: Littelfuse CMB-203 Series Thermal Circuit Breaker, 20A, 250V, 1-Pole, Push-to-Reset, Panel Mount
Subcategory: Thermal Circuit Breakers

CMB-203-27G3N-W-A Compliance

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

CMB-203-27G3N-W-A Features

  • Rated for 20A continuous current at 250V.
  • Single-pole thermal overcurrent protection.
  • Push-to-reset actuator for manual reset.
  • Panel mount design for easy installation.
  • Approved by CE, cUL, TUV, UL1077, UL1500.

CMB-203-27G3N-W-A Applications

  • Used for overcurrent protection in power supplies.
  • Suitable for industrial control panel protection.
  • Ideal for marine and RV electrical systems.
  • Applied in HVAC equipment and appliances.

CMB-203-27G3N-W-A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-203-27G3N-W-A?

The current rating is 20A.

What is the voltage rating of the CMB-203-27G3N-W-A?

The voltage rating is 250V.

What type of circuit breaker is the CMB-203-27G3N-W-A?

It is a thermal circuit breaker.

How many poles does the CMB-203-27G3N-W-A have?

It has 1 pole.

What type of actuator does the CMB-203-27G3N-W-A use?

It uses a push-to-reset actuator.

What is the mounting type for the CMB-203-27G3N-W-A?

It is panel mount.

What approvals does the CMB-203-27G3N-W-A have?

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

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