CMB-203-11CNN-R-A/20 The Littelfuse Inc. CMB-203-11CNN-R-A/20 is a thermal circuit breaker designed for panel mounting. It features a push-to-reset actuator and a 20A current rating.
Mfr Part #:

CMB-203-11CNN-R-A/20

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CMB-203-11CNN-R-A/20 is a thermal circuit breaker designed for panel mounting. It features a push-to-reset actuator and a 20A current rating.
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CMB-203-11CNN-R-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

CMB-203-11CNN-R-A/20 Description

Short technical summary and product information.

This Littelfuse Inc. CMB-203-11CNN-R-A/20 is a thermal circuit breaker suitable for various protection applications. It is rated for 250V and has a current rating of 20A.

 

The breaker is designed for panel mounting and features a convenient push-to-reset actuator. It has a single pole configuration and no illumination.

 

Key approvals include CE, cUL, TUV, UL1077, and UL1500, indicating its suitability for a range of industrial and consumer electronics applications. The RoHS status is compliant with RoHS3 standards, and it is unaffected by REACH regulations. The Moisture Sensitivity Level (MSL) is 1, indicating unlimited shelf life under standard conditions.

 

This component is ideal for applications requiring reliable overcurrent protection in a compact, panel-mountable form factor.

CMB-203-11CNN-R-A/20 Quick Information

Product Type: Circuit Breaker
Series: CMB-203
Canonical Name: Littelfuse Inc. CMB-203-11CNN-R-A/20 Thermal Circuit Breaker
Subcategory: Thermal

CMB-203-11CNN-R-A/20 Compliance

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

CMB-203-11CNN-R-A/20 Features

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

CMB-203-11CNN-R-A/20 Applications

  • Overcurrent protection for power distribution panels.
  • Manual reset breaker for industrial control equipment.
  • Thermal protection for lighting and control circuits.
  • Panel mount breaker for power supply units.

CMB-203-11CNN-R-A/20 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-203-11CNN-R-A/20?

The current rating is 20A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of circuit breaker is the CMB-203-11CNN-R-A/20?

It is a thermal circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What type of actuator does this breaker use?

It uses a push-to-reset actuator.

What mounting type does the CMB-203-11CNN-R-A/20 use?

It uses panel mount.

What agency approvals does this circuit breaker have?

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

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