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CB251-40 The Eaton - Electronics Division CB251-40 is a thermal circuit breaker rated for 40A and 32VDC. It features an automatic reset function and panel mount.
Mfr Part #:

CB251-40

Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
The Eaton - Electronics Division CB251-40 is a thermal circuit breaker rated for 40A and 32VDC. It features an automatic reset function and panel mount.
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CB251-40 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Breaker Type
Current Rating
Current Rating (Amps)
Mounting Type
Number of Poles
Voltage Rating
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CB251-40 Description

Short technical summary and product information.

This Eaton - Electronics Division CB251-40 is a thermal circuit breaker designed for reliable circuit protection. It offers a current rating of 40A and a voltage rating of 32VDC, making it suitable for various DC applications.

 

The breaker features an automatic reset mechanism, simplifying operation and reducing downtime after a fault. It is designed for panel mounting, ensuring secure and convenient installation in control panels and equipment.

 

Key specifications include a single pole configuration and a thermal tripping mechanism. The component is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1.

CB251-40 Quick Information

Product Type: Circuit Breaker
Series: CB251
Canonical Name: Eaton - Electronics Division CB251-40 Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

CB251-40 Compliance

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

CB251-40 Features

  • 40A current rating for robust protection.
  • 32VDC voltage rating for DC applications.
  • Automatic reset simplifies operation.
  • Panel mount for secure installation.
  • Thermal tripping mechanism for safety.

CB251-40 Applications

  • Ideal for DC power distribution.
  • Suitable for control panel integration.
  • Used in equipment requiring overcurrent protection.
  • Applicable in automotive systems.
  • Protects sensitive electronic circuits.

CB251-40 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the CB251-40 circuit breaker?

32VDC

What is the current rating of the CB251-40?

40A

What type of circuit breaker is the CB251-40?

Thermal

How many poles does the CB251-40 have?

1 pole

What type of actuator does the CB251-40 use?

Automatic reset

What is the mounting type for the CB251-40?

Panel mount

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