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CLB-403-27ENN-W-A/40 Littelfuse CLB-403-27ENN-W-A/40 is a 1-pole thermal circuit breaker rated for 40A at 250V. It features a panel mount design with a push-to-reset actuator.
Mfr Part #:

CLB-403-27ENN-W-A/40

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse CLB-403-27ENN-W-A/40 is a 1-pole thermal circuit breaker rated for 40A at 250V. It features a panel mount design with a push-to-reset actuator.
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CLB-403-27ENN-W-A/40 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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CLB-403-27ENN-W-A/40 Description

Short technical summary and product information.

The Littelfuse CLB-403-27ENN-W-A/40 is a single-pole thermal circuit breaker designed for overcurrent protection in a variety of applications. It is rated for 40A continuous current at 250V AC/DC.

 

The breaker uses a thermal mechanism that responds to sustained overcurrent conditions, providing reliable protection. The push-to-reset actuator allows for manual reset after a trip event. The panel mount design simplifies installation into equipment enclosures.

 

This circuit breaker carries approvals from CE, cUL, TUV, UL1077, and UL1500, indicating compliance with international safety standards. It is suitable for use in power distribution, industrial control, and other equipment requiring branch circuit protection.

CLB-403-27ENN-W-A/40 Quick Information

Product Type: Thermal Circuit Breaker
Series: CLB-403
Canonical Name: Littelfuse CLB-403-27ENN-W-A/40 Thermal Circuit Breaker, 40A, 250V, 1-Pole, Panel Mount, Push to Reset
Subcategory: Panel Mount Circuit Breakers

CLB-403-27ENN-W-A/40 Compliance

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

CLB-403-27ENN-W-A/40 Features

  • Rated for 40A at 250V.
  • Single-pole thermal circuit breaker.
  • Panel mount with push-to-reset actuator.
  • Approved by CE, cUL, TUV, UL1077, UL1500.
  • Non-illuminated actuator.

CLB-403-27ENN-W-A/40 Applications

  • Overcurrent protection in power distribution panels.
  • Branch circuit protection in industrial equipment.
  • Use in control panels and machinery.
  • Suitable for marine and RV applications.

CLB-403-27ENN-W-A/40 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CLB-403-27ENN-W-A/40?

40A.

What is the voltage rating of this circuit breaker?

250V.

What type of circuit breaker is the CLB-403-27ENN-W-A/40?

Thermal circuit breaker.

How many poles does this breaker have?

1 pole.

What is the mounting type for this breaker?

Panel mount.

What actuator type does this breaker use?

Push to reset.

What safety approvals does this breaker have?

CE, cUL, TUV, UL1077, UL1500.

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