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CLB-503-00DNN-B-F/50 Littelfuse CLB-503-00DNN-B-F/50 is a 50A, 250V thermal circuit breaker with push-to-reset actuator and panel mount design.
Mfr Part #:

CLB-503-00DNN-B-F/50

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse CLB-503-00DNN-B-F/50 is a 50A, 250V thermal circuit breaker with push-to-reset actuator and panel mount design.
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CLB-503-00DNN-B-F/50 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-503-00DNN-B-F/50 Description

Short technical summary and product information.

The Littelfuse CLB-503-00DNN-B-F/50 is a single-pole thermal circuit breaker rated for 50A at 250V. It features a push-to-reset actuator and panel mount design.

 

The breaker is certified by CE, cUL, TUV, UL1077, and UL1500, ensuring compliance with international safety standards. The thermal mechanism provides reliable overcurrent protection.

 

This thermal circuit breaker is designed for panel mount installation with a single pole configuration.

CLB-503-00DNN-B-F/50 Quick Information

Product Type: Circuit Breaker
Series: CLB-503
Canonical Name: Littelfuse CLB-503-00DNN-B-F/50 Thermal Circuit Breaker, 50A, 250V, 1 Pole, Panel Mount, Push to Reset
Subcategory: Circuit Breakers

CLB-503-00DNN-B-F/50 Compliance

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

CLB-503-00DNN-B-F/50 Features

  • Rated for 50A continuous current.
  • Rated for 250V AC/DC voltage.
  • Thermal overcurrent protection mechanism.
  • Single pole with push-to-reset actuator.
  • Panel mount design for easy installation.

CLB-503-00DNN-B-F/50 Applications

  • Overcurrent protection for power supplies
  • Used in industrial control panels
  • Suitable for marine electrical systems
  • Protects automotive auxiliary circuits
  • Ideal for battery charging systems

CLB-503-00DNN-B-F/50 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CLB-503-00DNN-B-F/50?

50A.

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 mounting style is used?

Panel Mount.

What approvals does this circuit breaker have?

CE, cUL, TUV, UL1077, UL1500.

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