CA1-B3-21-640-121-C The Littelfuse Inc. CA1-B3-21-640-121-C is a magnetic (hydraulic delay) circuit breaker. It features a 40A current rating and a 480V voltage rating.
Mfr Part #:

CA1-B3-21-640-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CA1-B3-21-640-121-C is a magnetic (hydraulic delay) circuit breaker. It features a 40A current rating and a 480V voltage rating.
Stock on Request
$ Price Range: $0.99

CA1-B3-21-640-121-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

CA1-B3-21-640-121-C Description

Short technical summary and product information.

This Littelfuse Inc. CA1-B3-21-640-121-C is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic (hydraulic delay) mechanism for protection.

 

Key electrical specifications include a current rating of 40A and a voltage rating of 480V. The actuator type is a lever, and it does not feature illumination.

 

This circuit breaker is approved by CCC, CSA, and UL agencies. It is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited. The REACH status is unaffected.

CA1-B3-21-640-121-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. CA1-B3-21-640-121-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

CA1-B3-21-640-121-C Compliance

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

CA1-B3-21-640-121-C Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

CA1-B3-21-640-121-C Features

  • 40A current rating for power protection.
  • 480V voltage rating for industrial use.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount design for easy integration.
  • CCC, CSA, UL approved for safety.

CA1-B3-21-640-121-C Applications

  • Suitable for industrial control panels.
  • Used in power distribution systems.
  • Ideal for equipment protection.
  • Applicable in harsh environments.

CA1-B3-21-640-121-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CA1-B3-21-640-121-C circuit breaker?

The current rating is 40A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 480V.

What type of breaker mechanism does the CA1-B3-21-640-121-C use?

It uses a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

This is a 1-pole circuit breaker.

What mounting type is required for the CA1-B3-21-640-121-C?

It is designed for Panel Mount.

Is the CA1-B3-21-640-121-C 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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