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CA1-B4-12-640-121-C The Littelfuse Inc. CA1-B4-12-640-121-C is a magnetic (hydraulic delay) circuit breaker. It features a 40A current rating and a 480V voltage rating.
Mfr Part #:

CA1-B4-12-640-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CA1-B4-12-640-121-C is a magnetic (hydraulic delay) circuit breaker. It features a 40A current rating and a 480V voltage rating.
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CA1-B4-12-640-121-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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CA1-B4-12-640-121-C Description

Short technical summary and product information.

This Littelfuse Inc. CA1-B4-12-640-121-C is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic (hydraulic delay) mechanism for protection.

 

The breaker has a current rating of 40A and a voltage rating of 480V. It is approved by CCC, CSA, and UL. The actuator type is a lever, and it does not feature illumination.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status. These compliance details are based on available data and may require verification for critical applications.

CA1-B4-12-640-121-C Quick Information

Product Type: Circuit Breaker
Series: CA1
Canonical Name: Littelfuse Inc. CA1-B4-12-640-121-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

CA1-B4-12-640-121-C Compliance

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

CA1-B4-12-640-121-C Features

  • 40A current rating for power protection.
  • 480V voltage rating for industrial use.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount for easy installation.
  • Lever actuator for operation.

CA1-B4-12-640-121-C Applications

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

CA1-B4-12-640-121-C FAQs

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

The current rating is 40A.

What is the voltage rating of this circuit breaker?

The voltage rating is 480V.

What type of circuit breaker is this?

This is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

This is a single-pole circuit breaker.

What is the actuator type of this circuit breaker?

The actuator type is lever.

What is the mounting type of this circuit breaker?

The mounting type is panel mount.

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