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CMB-203-11D4N-B-A/20 The Littelfuse Inc. CMB-203-11D4N-B-A/20 is a thermal circuit breaker designed for panel mounting. It features a 20A current rating and a 250V voltage rating.
Mfr Part #:

CMB-203-11D4N-B-A/20

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CMB-203-11D4N-B-A/20 is a thermal circuit breaker designed for panel mounting. It features a 20A current rating and a 250V voltage rating.
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CMB-203-11D4N-B-A/20 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-203-11D4N-B-A/20 Description

Short technical summary and product information.

This Littelfuse Inc. CMB-203-11D4N-B-A/20 is a thermal circuit breaker with a 20A current rating and a 250V voltage rating. It is designed for panel mounting and features a push-to-reset actuator.

 

The breaker has a single pole and no illumination. It is compliant with RoHS3 standards and has an MSL rating of 1.

 

Key specifications include a 20A current rating, 250V voltage rating, and thermal breaker type. The mounting type is panel mount, and the actuator is push to reset. It has one pole and no illumination.

CMB-203-11D4N-B-A/20 Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. CMB-203-11D4N-B-A/20 Thermal Circuit Breaker
Subcategory: Thermal

CMB-203-11D4N-B-A/20 Compliance

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

CMB-203-11D4N-B-A/20 Features

  • 20A current rating for protection.
  • 250V voltage rating.
  • Thermal breaker type.
  • Panel mount design.
  • Push to reset actuator.

CMB-203-11D4N-B-A/20 Applications

  • Overcurrent protection in power distribution panels.
  • Suitable for industrial control circuit protection.
  • Used in single-phase AC or DC systems.
  • Ideal for motor control center branch circuits.

CMB-203-11D4N-B-A/20 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of this circuit breaker?

250V.

What is the current rating?

20A.

What type of circuit breaker is this?

Thermal circuit breaker.

What is the mounting style?

Panel mount.

How many poles does it have?

1 pole.

What actuator type does it have?

Push to reset actuator.

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