CMBA-043-NNFNN-B-A The Littelfuse Inc. CMBA-043-NNFNN-B-A is a thermal circuit breaker designed for panel mounting. It features a 4A current rating and a 250V voltage rating.
Mfr Part #:

CMBA-043-NNFNN-B-A

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CMBA-043-NNFNN-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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CMBA-043-NNFNN-B-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

CMBA-043-NNFNN-B-A Description

Short technical summary and product information.

This Littelfuse Inc. CMBA-043-NNFNN-B-A is a thermal circuit breaker with a 4A current rating and a 250V voltage rating. It is designed for panel mounting and features a single pole configuration.

 

The breaker type is thermal, and it offers an automatic reset actuator. The illumination is none. It is compliant with RoHS3 standards and has an MSL rating of 1.

 

This circuit breaker is suitable for applications requiring reliable overcurrent protection in a panel-mounted configuration. Its thermal tripping mechanism provides dependable circuit interruption.

CMBA-043-NNFNN-B-A Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. CMBA-043-NNFNN-B-A Circuit Breaker
Subcategory: Circuit Breaker

CMBA-043-NNFNN-B-A Compliance

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

CMBA-043-NNFNN-B-A Features

  • 4A current rating for protection.
  • 250V voltage rating for circuits.
  • Thermal breaker type.
  • Panel mount design.
  • Automatic reset actuator.

CMBA-043-NNFNN-B-A Applications

  • Used in industrial control panels.
  • Ideal for power distribution units.
  • Suitable for small appliance protection.
  • Protects lighting circuits from overcurrent.
  • Application in low-power AC circuits.

CMBA-043-NNFNN-B-A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMBA-043-NNFNN-B-A?

The current rating is 4A.

What is the voltage rating?

The voltage rating is 250V.

What type of circuit breaker is this?

It is a thermal circuit breaker.

How many poles does it have?

It has 1 pole.

What is the actuator type?

It has an automatic reset actuator.

What is the mounting type?

It is designed for panel mount.

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