CMB-043-11C3N-W-A Thermal circuit breaker from Littelfuse rated 4A at 250V. Single-pole, push-to-reset, panel mount device with CE, cUL, TUV, UL1077, and UL1500 approvals.
Mfr Part #:

CMB-043-11C3N-W-A

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Thermal circuit breaker from Littelfuse rated 4A at 250V. Single-pole, push-to-reset, panel mount device with CE, cUL, TUV, UL1077, and UL1500 approvals.
Stock on Request

CMB-043-11C3N-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-043-11C3N-W-A Description

Short technical summary and product information.

The CMB-043-11C3N-W-A is a thermal circuit breaker from Littelfuse. It is rated for 4A continuous current at 250V and uses a thermal trip mechanism. The device is a single-pole breaker with a push-to-reset actuator and no illumination.

 

This circuit breaker is designed for panel mounting and provides overcurrent protection in a compact form factor. Its approvals include CE, cUL, TUV, UL1077, and UL1500, indicating suitability for a range of industrial and commercial applications.

 

The push-to-reset actuator allows manual reset after a thermal trip. With a 4A rating and 250V voltage rating, it is appropriate for protecting branch circuits, power supplies, and equipment requiring a single-pole thermal breaker.

CMB-043-11C3N-W-A Quick Information

Product Type: Thermal Circuit Breaker
Series: CMB-043
Canonical Name: Thermal Circuit Breaker, 4A, 250V, 1-Pole, Push-to-Reset, Panel Mount
Subcategory: Thermal Circuit Breaker

CMB-043-11C3N-W-A Compliance

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

CMB-043-11C3N-W-A Features

  • Rated for 4A at 250V.
  • Single-pole thermal circuit breaker design.
  • Push-to-reset actuator for manual reset.
  • Designed for panel mount installation.
  • Approved to CE, cUL, TUV, UL1077, UL1500.

CMB-043-11C3N-W-A Applications

  • Provides overcurrent protection for branch circuits.
  • Suitable for panel-mounted electrical equipment.
  • Used in single-pole 250V applications.
  • Serves thermal overcurrent protection needs.

CMB-043-11C3N-W-A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-043-11C3N-W-A?

The current rating is 4A.

What is the voltage rating of the CMB-043-11C3N-W-A?

The voltage rating is 250V.

What type of circuit breaker is this?

This is a thermal circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What actuator type does this circuit breaker use?

It uses a push-to-reset actuator.

What mounting type is supported?

Panel mount.

What approvals does this circuit breaker carry?

CE, cUL, TUV, UL1077, and UL1500.

CMB-043-11C3N-W-A Alternate Parts

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The Littelfuse Inc. CLB-043-11A1N-B-A is a thermal circuit breaker designed for panel mounting. It features a 4A current rating and a 250V voltage rating.
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CLB-043-11B3N-W-A/04
CLB-043-11B3N-W-A/04
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The Littelfuse Inc. CLB-043-11B3N-W-A/04 is a thermal circuit breaker designed for panel mounting. It features a 4A current rating and a 250V voltage rating.
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CMB-043-11DNN-W-A
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The Littelfuse Inc. CMB-043-11DNN-W-A is a thermal circuit breaker designed for panel mounting. It features a 4A current rating and a 250V voltage rating.
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