CMB-203-11DNN-W-A The CMB-203-11DNN-W-A is a 20A, 250V, 1-pole thermal circuit breaker from Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

CMB-203-11DNN-W-A

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The CMB-203-11DNN-W-A is a 20A, 250V, 1-pole thermal circuit breaker from Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
Stock on Request

CMB-203-11DNN-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

CMB-203-11DNN-W-A Description

Short technical summary and product information.

The CMB-203-11DNN-W-A is a 1-pole thermal circuit breaker from Littelfuse Inc., designed for overcurrent protection in a variety of applications. It is rated for 20A at 250V and uses a thermal breaker mechanism that responds to heat generated by excessive current flow.

 

The breaker features a push-to-reset actuator type and is designed for panel mount installation. It carries approvals from CE, cUL, TUV, UL1077, and UL1500, indicating compliance with recognized safety standards.

CMB-203-11DNN-W-A Quick Information

Product Type: Thermal Circuit Breaker
Series: CMB-203
Canonical Name: CMB-203-11DNN-W-A Thermal Circuit Breaker
Subcategory: 1-Pole

CMB-203-11DNN-W-A Compliance

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

CMB-203-11DNN-W-A Features

  • Rated for 20A at 250V operation.
  • 1-pole thermal breaker mechanism.
  • Push-to-reset actuator type.
  • Panel mount installation design.
  • Approved by CE, cUL, TUV, UL1077, UL1500.

CMB-203-11DNN-W-A Applications

  • Overcurrent protection for industrial control panels.
  • Branch circuit protection in power distribution.
  • Motor protection for fractional horsepower motors.
  • Power supply input protection for equipment.

CMB-203-11DNN-W-A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-203-11DNN-W-A?

The current rating is 20A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of breaker is the CMB-203-11DNN-W-A?

It is a thermal circuit breaker.

How many poles does this breaker have?

It has 1 pole.

What is the actuator type for this breaker?

The actuator type is push to reset.

What mounting type does this breaker use?

It uses panel mount.

What agency approvals does this breaker have?

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

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