CA1-B2-12-640-321-MJ The Littelfuse Inc. CA1-B2-12-640-321-MJ is a single-pole, magnetic hydraulic delay circuit breaker. It is designed for panel mounting and rated for 40A at 480V.
Mfr Part #:

CA1-B2-12-640-321-MJ

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CA1-B2-12-640-321-MJ is a single-pole, magnetic hydraulic delay circuit breaker. It is designed for panel mounting and rated for 40A at 480V.
Stock on Request
$ Price Range: $0.99

CA1-B2-12-640-321-MJ 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
Storage Temperature
Tape & Reel
Voltage Rating

CA1-B2-12-640-321-MJ Description

Short technical summary and product information.

This Littelfuse Inc. CA1-B2-12-640-321-MJ is a single-pole circuit breaker featuring a magnetic (hydraulic delay) trip mechanism. It is designed for panel mounting and offers a robust current rating of 40A and a voltage rating of 480V.

 

This component is approved by multiple agencies including CCC, CSA, TUV, and UL489, ensuring compliance with various safety standards. The actuator type is a lever, providing a clear visual indication of its status. It does not feature illumination.

 

The breaker is compliant with RoHS3 standards and has an MSL rating of 1, indicating unlimited moisture sensitivity. It is also REACH unaffected. The DK part number for this item is 432-CA1-B2-12-640-321-MJ-ND.

CA1-B2-12-640-321-MJ Quick Information

Product Type: Circuit Breaker
Canonical Name: CA1-B2-12-640-321-MJ Circuit Breaker
Subcategory: Circuit Breaker

CA1-B2-12-640-321-MJ Compliance

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

CA1-B2-12-640-321-MJ Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

CA1-B2-12-640-321-MJ Features

  • 40A current rating for power circuits.
  • 480V voltage rating for high-power applications.
  • Magnetic hydraulic delay trip mechanism.
  • Single-pole design for simple circuits.
  • Panel mount for easy integration.

CA1-B2-12-640-321-MJ Applications

  • Suitable for industrial control panels.
  • Used in power distribution systems.
  • Applicable in machinery protection.
  • Ideal for equipment safety circuits.

CA1-B2-12-640-321-MJ FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the CA1-B2-12-640-321-MJ circuit breaker?

The current rating is 40A.

What is the voltage rating for this circuit breaker?

The voltage rating is 480V.

What type of breaker mechanism does the CA1-B2-12-640-321-MJ use?

It uses a Magnetic (Hydraulic Delay) mechanism.

How is this circuit breaker mounted?

It is designed for Panel Mount.

Which approval agencies have certified this circuit breaker?

It is approved by CCC, CSA, TUV, and UL489.

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