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CA3-B2-34-640-121-C The Littelfuse Inc. CA3-B2-34-640-121-C is a 3-pole circuit breaker designed for panel mounting. It features a 40A current rating and a 480V voltage rating.
Mfr Part #:

CA3-B2-34-640-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CA3-B2-34-640-121-C is a 3-pole circuit breaker designed for panel mounting. It features a 40A current rating and a 480V voltage rating.
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CA3-B2-34-640-121-C 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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CA3-B2-34-640-121-C Description

Short technical summary and product information.

This Littelfuse Inc. CA3-B2-34-640-121-C is a magnetic hydraulic delay circuit breaker with a 40A current rating and a 480V voltage rating. It is designed for panel mounting and features a lever actuator. The breaker has 3 poles and is approved by CCC, CSA, and UL.

 

It is compliant with RoHS3, has a Moisture Sensitivity Level (MSL) of 1, and is REACH unaffected. The breaker is suitable for applications requiring reliable overcurrent protection.

 

Key specifications include a 40A current rating, 480V voltage rating, and a magnetic hydraulic delay mechanism for precise tripping characteristics. The panel mount design ensures easy integration into control panels and enclosures.

CA3-B2-34-640-121-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. CA3-B2-34-640-121-C Circuit Breaker

CA3-B2-34-640-121-C Compliance

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

CA3-B2-34-640-121-C Features

  • 40A current rating for power circuits.
  • 480V voltage rating for industrial use.
  • 3-pole configuration for multi-phase protection.
  • Panel mount design for easy installation.
  • Magnetic hydraulic delay for reliable tripping.

CA3-B2-34-640-121-C Applications

  • Industrial control panel protection.
  • Power distribution systems.
  • Machinery safety circuits.
  • Equipment overcurrent protection.

CA3-B2-34-640-121-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the CA3-B2-34-640-121-C?

480V.

What is the current rating of this circuit breaker?

40A.

How many poles does this circuit breaker have?

3 poles.

What type of breaker mechanism is used?

Magnetic hydraulic delay.

What actuator type does this breaker have?

Lever actuator.

What mounting type is supported?

Panel mount.

What approvals does this breaker have?

CCC, CSA, UL.

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