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CA1-B0-12-640-121-D The Littelfuse Inc. CA1-B0-12-640-121-D is a 1-pole circuit breaker designed for panel mounting. It features a 40A current rating and a 480V voltage rating.
Mfr Part #:

CA1-B0-12-640-121-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CA1-B0-12-640-121-D is a 1-pole circuit breaker designed for panel mounting. It features a 40A current rating and a 480V voltage rating.
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CA1-B0-12-640-121-D 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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CA1-B0-12-640-121-D Description

Short technical summary and product information.

This Littelfuse Inc. CA1-B0-12-640-121-D is a single-pole circuit breaker with a magnetic hydraulic delay mechanism. It is rated for 40 Amps and operates at up to 480 Volts.

 

The breaker is designed for panel mounting and features a lever actuator. It has no illumination. Approval agencies include CCC, CSA, UL, and VDE.

 

This component is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1 Unlimited. REACH status is unaffected.

CA1-B0-12-640-121-D Quick Information

Product Type: Circuit Breaker
Series: CA1
Canonical Name: Littelfuse Inc. CA1-B0-12-640-121-D Circuit Breaker
Subcategory: Circuit Breaker

CA1-B0-12-640-121-D Compliance

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

CA1-B0-12-640-121-D Features

  • 40A current rating for power distribution.
  • 480V voltage rating for industrial use.
  • Panel mount design for easy integration.
  • Magnetic hydraulic delay for protection.
  • Single pole configuration.

CA1-B0-12-640-121-D Applications

  • Used in power distribution systems.
  • Suitable for industrial control panels.
  • Protects electrical circuits from overload.
  • General purpose circuit protection.

CA1-B0-12-640-121-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CA1-B0-12-640-121-D circuit breaker?

The current rating is 40A.

What is the voltage rating for this circuit breaker?

The voltage rating is 480V.

How is the CA1-B0-12-640-121-D mounted?

This circuit breaker is designed for panel mounting.

What type of breaker is the CA1-B0-12-640-121-D?

It is a magnetic (hydraulic delay) breaker.

How many poles does this circuit breaker have?

It has 1 pole.

Is the CA1-B0-12-640-121-D RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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