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CMB-043-11D1B-W-A/04 The Littelfuse Inc. CMB-043-11D1B-W-A/04 is a thermal circuit breaker designed for panel mounting. It features a 4A current rating and a 250V AC voltage rating.
Mfr Part #:

CMB-043-11D1B-W-A/04

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CMB-043-11D1B-W-A/04 is a thermal circuit breaker designed for panel mounting. It features a 4A current rating and a 250V AC voltage rating.
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CMB-043-11D1B-W-A/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
Mounting Type
Number of Poles
SVHC Present
Voltage Rating
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CMB-043-11D1B-W-A/04 Description

Short technical summary and product information.

This Littelfuse Inc. CMB-043-11D1B-W-A/04 is a thermal circuit breaker with a 4A current rating and a 250V AC voltage rating. It is designed for panel mounting and features a push-to-reset actuator.

 

The breaker has a single pole and no illumination. It is approved by CE, cUL, TUV, UL1077, and UL1500.

 

Environmental compliance includes RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status. These compliance details are based on existing database information and have not been independently verified by a document.

 

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

CMB-043-11D1B-W-A/04 Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. CMB-043-11D1B-W-A/04 Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

CMB-043-11D1B-W-A/04 Compliance

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

CMB-043-11D1B-W-A/04 Features

  • Thermal circuit breaker for overcurrent protection.
  • Rated for 4A current and 250V AC.
  • Convenient push-to-reset actuator.
  • Designed for easy panel mounting.
  • Approved by CE, cUL, TUV, UL1077, UL1500.

CMB-043-11D1B-W-A/04 Applications

  • Overcurrent protection for industrial control panels.
  • Used in power supply and distribution systems.
  • Suitable for lighting and HVAC equipment.
  • Marine applications requiring UL1500 compliance.
  • Protects motors and transformers in electrical systems.

CMB-043-11D1B-W-A/04 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-043-11D1B-W-A/04?

The current rating is 4A.

What is the voltage rating?

The voltage rating is 250V AC and 32V DC.

What type of circuit breaker is this?

It is a thermal circuit breaker.

What is the mounting type?

Panel mount.

What is the actuator type?

Push to reset.

How many poles does this circuit breaker have?

One pole.

What approvals does the CMB-043-11D1B-W-A/04 have?

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

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