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CTB-B-B-03 Thermal circuit breaker, 1 pole, rated 3A at 250VAC/50VDC. Push-to-reset actuator with panel mount design.
Mfr Part #:

CTB-B-B-03

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Thermal circuit breaker, 1 pole, rated 3A at 250VAC/50VDC. Push-to-reset actuator with panel mount design.
Stock on Request

CTB-B-B-03 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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CTB-B-B-03 Description

Short technical summary and product information.

The Littelfuse CTB-B-B-03 is a single-pole thermal circuit breaker designed for overcurrent protection. It is rated for 3A continuous current at 250VAC and 50VDC. The breaker features a push-to-reset actuator and is intended for panel mount installations. It is approved by UL1077, cUL, CE, and VDE, making it suitable for a variety of industrial and commercial applications. The thermal mechanism provides reliable overcurrent protection with automatic reset after cooling.

CTB-B-B-03 Quick Information

Product Type: Circuit Breaker
Canonical Name: Thermal Circuit Breaker, 1 Pole, 3A, 250V, Push to Reset, Panel Mount
Subcategory: Circuit Breakers

CTB-B-B-03 Compliance

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

CTB-B-B-03 Features

  • Thermal circuit breaker for overcurrent protection.
  • Rated for 3A continuous current.
  • Rated for 250VAC and 50VDC operation.
  • Single pole design for compact size.
  • Push-to-reset actuator for easy reset.

CTB-B-B-03 Applications

  • Overcurrent protection in power distribution circuits.
  • Circuit protection in industrial control panels.
  • Supplementary protection in lighting and HVAC systems.
  • Protection for DC power supplies and equipment.

CTB-B-B-03 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the CTB-B-B-03?

250VAC/50VDC.

What is the current rating?

3A.

How many poles does it have?

1 pole.

What type of circuit breaker is it?

Thermal.

What actuator type does it have?

Push-to-reset.

What mounting type is used?

Panel mount.

What safety approvals does it have?

CE, cUL, UL1077, VDE.

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