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CMB-043-27JNN-W-A/04 Thermal circuit breaker rated 4A, 250V, 1-pole with push-to-reset actuation. Panel mount.
Mfr Part #:

CMB-043-27JNN-W-A/04

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Thermal circuit breaker rated 4A, 250V, 1-pole with push-to-reset actuation. Panel mount.
Stock on Request

CMB-043-27JNN-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
Voltage Rating
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CMB-043-27JNN-W-A/04 Description

Short technical summary and product information.

This Littelfuse CMB-043-27JNN-W-A/04 is a single-pole thermal circuit breaker designed for overcurrent protection. It has a current rating of 4A and a voltage rating of 250V, featuring a push-to-reset actuator. The device is panel mounted and is non-illuminated. It carries multiple safety approvals including CE, cUL, TUV, UL1077, and UL1500, making it suitable for a variety of industrial and marine applications. The thermal breaker mechanism provides reliable protection against sustained overloads by tripping when current exceeds the rated value for a period.

CMB-043-27JNN-W-A/04 Quick Information

Product Type: Circuit Breaker
Canonical Name: CMB-043-27JNN-W-A/04 Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

CMB-043-27JNN-W-A/04 Compliance

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

CMB-043-27JNN-W-A/04 Features

  • Rated for 4A continuous current at 250VAC.
  • Single-pole thermal circuit breaker.
  • Push-to-reset actuator design.
  • Panel mount installation.
  • Approved to CE, cUL, TUV, UL1077, UL1500.

CMB-043-27JNN-W-A/04 Applications

  • Used for overcurrent protection in power supplies.
  • Ideal for appliance and industrial control panels.
  • Suitable for low-voltage circuit protection.
  • Common in automotive and marine applications.
  • Protects wiring and components from overloads.

CMB-043-27JNN-W-A/04 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of this circuit breaker?

4A.

What is the voltage rating?

250V.

What type of circuit breaker is this?

Thermal.

How many poles does it have?

1.

What is the actuator type?

Push to reset.

What approvals does this circuit breaker have?

CE, cUL, TUV, UL1077, UL1500.

What is the mounting type?

Panel mount.

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