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CLB-403-00DNN-B-F Littelfuse CLB-403-00DNN-B-F is a 40A, 250V, 1-pole thermal circuit breaker. It features push-to-reset actuation and panel mount design.
Mfr Part #:

CLB-403-00DNN-B-F

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse CLB-403-00DNN-B-F is a 40A, 250V, 1-pole thermal circuit breaker. It features push-to-reset actuation and panel mount design.
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CLB-403-00DNN-B-F 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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CLB-403-00DNN-B-F Description

Short technical summary and product information.

The Littelfuse CLB-403-00DNN-B-F is a single-pole thermal circuit breaker rated for 40A continuous current at 250VAC. It uses a thermal mechanism to protect circuits from overcurrent conditions. The breaker features a push-to-reset actuator and is designed for panel mount installation. It is not illuminated. The device is approved by CE, cUL, TUV, UL1077, and UL1500, ensuring compliance with international safety standards. This circuit breaker is suitable for a variety of applications requiring reliable overcurrent protection in a compact panel-mount package.

CLB-403-00DNN-B-F Quick Information

Product Type: Circuit Breaker
Series: CLB-403
Canonical Name: Littelfuse CLB-403-00DNN-B-F 40A 250V 1-Pole Thermal Circuit Breaker, Push to Reset, Panel Mount
Subcategory: 1-Pole

CLB-403-00DNN-B-F Compliance

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

CLB-403-00DNN-B-F Features

  • Rated for 40A continuous current at 250V.
  • Single-pole thermal overcurrent protection.
  • Push-to-reset actuator for manual reset.
  • Panel mount design for easy installation.
  • CE, cUL, TUV, UL1077, UL1500 approved.

CLB-403-00DNN-B-F Applications

  • Used in power distribution panels for overcurrent protection.
  • Suitable for industrial equipment and machinery.
  • Ideal for automotive and marine applications requiring UL1500.
  • Common in HVAC and appliance circuits.

CLB-403-00DNN-B-F FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the CLB-403-00DNN-B-F?

250V.

What is the current rating of the CLB-403-00DNN-B-F?

40A.

How many poles does this circuit breaker have?

1 pole.

What type of actuator does the CLB-403-00DNN-B-F use?

Push-to-reset actuator.

What is the mounting type of this circuit breaker?

Panel mount.

What type of circuit breaker is the CLB-403-00DNN-B-F?

Thermal circuit breaker.

What approvals does the CLB-403-00DNN-B-F have?

CE, cUL, TUV, UL1077, UL1500.

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