CMB-043-12HNN-R-B/04 The Littelfuse Inc. CMB-043-12HNN-R-B/04 is a thermal circuit breaker designed for panel mounting. It features a 4A current rating and a 250V voltage rating.
Mfr Part #:

CMB-043-12HNN-R-B/04

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CMB-043-12HNN-R-B/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-043-12HNN-R-B/04 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
Industrial Grade
Mounting Type
Number of Poles
Voltage Rating

CMB-043-12HNN-R-B/04 Description

Short technical summary and product information.

The CMB-043-12HNN-R-B/04 is a thermal circuit breaker manufactured by Littelfuse Inc. This component is designed for panel mounting applications and offers a current rating of 4A with a voltage rating of 250V.

 

Key electrical characteristics include a thermal breaker type and a single pole configuration. The actuator type is push to reset, and it does not feature illumination. The device is approved by multiple agencies including CE, cUL, TUV, UL1077, and UL1500, indicating its suitability for various demanding environments.

 

Environmental compliance includes RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status. These specifications make the CMB-043-12HNN-R-B/04 a reliable choice for circuit protection in a wide range of OEM applications.

CMB-043-12HNN-R-B/04 Quick Information

Product Type: Thermal Circuit Breaker
Series: SRP3
Canonical Name: Littelfuse Inc. CMB-043-12HNN-R-B/04 Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

CMB-043-12HNN-R-B/04 Compliance

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

CMB-043-12HNN-R-B/04 Features

  • 4A current rating for circuit protection.
  • 250V voltage rating for diverse applications.
  • Panel mount design for easy integration.
  • Push-to-reset actuator for manual reset.
  • Approved by CE, cUL, TUV, UL1077, UL1500.

CMB-043-12HNN-R-B/04 Applications

  • Ideal for OEM equipment protection.
  • Suitable for transportation applications.
  • Used in industrial automation systems.
  • Provides reliable overcurrent protection.

CMB-043-12HNN-R-B/04 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-043-12HNN-R-B/04 circuit breaker?

The current rating is 4A.

What is the voltage rating for the CMB-043-12HNN-R-B/04?

The voltage rating is 250V.

What type of circuit breaker is the CMB-043-12HNN-R-B/04?

It is a thermal circuit breaker.

How many poles does the CMB-043-12HNN-R-B/04 have?

It has 1 pole.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

What is the RoHS status of the CMB-043-12HNN-R-B/04?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

CMB-043-12HNN-R-B/04 Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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Littelfuse Inc.
The Littelfuse Inc. CLB-043-11ANN-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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