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CMB-203-12H3N-W-A The Littelfuse Inc. CMB-203-12H3N-W-A is a thermal circuit breaker designed for panel mounting. It features a 20A current rating and 250V AC voltage rating.
Mfr Part #:

CMB-203-12H3N-W-A

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CMB-203-12H3N-W-A is a thermal circuit breaker designed for panel mounting. It features a 20A current rating and 250V AC voltage rating.
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CMB-203-12H3N-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
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CMB-203-12H3N-W-A Description

Short technical summary and product information.

This thermal circuit breaker from Littelfuse Inc., part number CMB-203-12H3N-W-A, is engineered for reliable circuit protection. It operates with a 20A current rating and can handle up to 250V AC and 32V DC.

 

The breaker is designed for panel mounting, offering a convenient and secure installation in various equipment. Its thermal tripping mechanism provides protection against overcurrent conditions.

 

Key specifications include a 1-pole configuration and a push-to-reset actuator. The device is compliant with RoHS3 standards and has an MSL of 1.

CMB-203-12H3N-W-A Quick Information

Product Type: Circuit Breaker
Series: CMB-203
Canonical Name: Carling Technologies CMB-203-12H3N-W-A Thermal Circuit Breaker

CMB-203-12H3N-W-A Compliance

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

CMB-203-12H3N-W-A Features

  • Thermal circuit breaker for overcurrent protection.
  • Rated for 20A current and 250V AC.
  • Panel mount design for easy installation.
  • Push-to-reset actuator for manual reset.
  • RoHS3 compliant with MSL 1 rating.

CMB-203-12H3N-W-A Applications

  • Ideal for general circuit protection.
  • Suitable for industrial equipment.
  • Used in control panels.
  • Applicable in power distribution systems.

CMB-203-12H3N-W-A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-203-12H3N-W-A circuit breaker?

The current rating is 20A.

What is the AC voltage rating for this circuit breaker?

The AC voltage rating is 250V.

What is the DC voltage rating for this circuit breaker?

The DC voltage rating is 32V.

How is the CMB-203-12H3N-W-A circuit breaker mounted?

It is designed for panel mounting.

What type of circuit breaker is the CMB-203-12H3N-W-A?

It is a thermal circuit breaker.

What is the RoHS status of this component?

It is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1.

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