CLB-043-27E3N-B-A/04 The CLB-043-27E3N-B-A/04 is a thermal circuit breaker by Littelfuse, rated for 4A at 250V. It features a single-pole, panel mount design with push-to-reset actuator and is certified by CE, cUL, TUV, UL1077, and UL1500.
Mfr Part #:

CLB-043-27E3N-B-A/04

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The CLB-043-27E3N-B-A/04 is a thermal circuit breaker by Littelfuse, rated for 4A at 250V. It features a single-pole, panel mount design with push-to-reset actuator and is certified by CE, cUL, TUV, UL1077, and UL1500.
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CLB-043-27E3N-B-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

CLB-043-27E3N-B-A/04 Description

Short technical summary and product information.

The CLB-043-27E3N-B-A/04 is a thermal circuit breaker from Littelfuse, designed for overcurrent protection in various applications. It is rated for a continuous current of 4A and a maximum voltage of 250V. This single-pole breaker uses a thermal trip mechanism to open the circuit under overload conditions, and features a push-to-reset actuator for manual reset after a fault.

 

Mounting is panel mount, making it suitable for direct installation in control panels or equipment enclosures. The breaker is non-illuminated and has a compact design. It carries multiple safety approvals including CE, cUL, TUV, UL1077, and UL1500, indicating compliance with international standards for circuit protection devices.

 

This component is ideal for use in power distribution, industrial controls, and automotive applications where reliable overcurrent protection is required. The thermal trip characteristic provides inherent time delay, allowing momentary inrush currents without nuisance tripping, while still protecting against sustained overloads.

CLB-043-27E3N-B-A/04 Quick Information

Product Type: Circuit Breaker
Canonical Name: CLB-043-27E3N-B-A/04 Thermal Circuit Breaker, 4A 250V, 1-Pole, Panel Mount, Push to Reset
Subcategory: Thermal Circuit Breaker

CLB-043-27E3N-B-A/04 Compliance

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

CLB-043-27E3N-B-A/04 Features

  • Rated for 4A continuous current at 250V.
  • Single-pole thermal circuit breaker design.
  • Panel mount for easy installation in enclosures.
  • Push-to-reset actuator for manual reset.
  • Certified by CE, cUL, TUV, UL1077, UL1500.

CLB-043-27E3N-B-A/04 Applications

  • Used in power distribution and control panels.
  • Ideal for overcurrent protection in industrial equipment.
  • Suitable for automotive and marine applications.
  • Protects wiring and components from sustained overloads.

CLB-043-27E3N-B-A/04 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the CLB-043-27E3N-B-A/04 circuit breaker?

250V.

What is the current rating of this circuit breaker?

4A.

What type of circuit breaker is this?

Thermal.

How many poles does this circuit breaker have?

1 pole.

What type of actuator does this circuit breaker have?

Push to Reset.

How is this circuit breaker mounted?

Panel mount.

What safety approvals does this circuit breaker have?

CE, cUL, TUV, UL1077, UL1500.

CLB-043-27E3N-B-A/04 Alternate Parts

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CMB-043-27G3N-W-A
CMB-043-27G3N-W-A
Littelfuse Inc.
The Littelfuse Inc. CMB-043-27G3N-W-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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CMB-043-11C3N-W-A
CMB-043-11C3N-W-A
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Thermal circuit breaker from Littelfuse rated 4A at 250V. Single-pole, push-to-reset, panel mount device with CE, cUL, TUV, UL1077, and UL1500 approvals.
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CLB-043-11A3N-W-A
CLB-043-11A3N-W-A
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This Littelfuse CLB-043-11A3N-W-A is a 1-pole thermal circuit breaker rated for 4A at 250V. It features a push-to-reset actuator and panel mount design.
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CMB-043-11D3N-W-A
CMB-043-11D3N-W-A
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The Littelfuse CMB-043-11D3N-W-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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