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CA1-B2-12-640-421-E This CA1-B2-12-640-421-E from Littelfuse Inc. is a 40A, 480V, 1-pole magnetic hydraulic delay circuit breaker with a lever actuator for panel mount applications.
Mfr Part #:

CA1-B2-12-640-421-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This CA1-B2-12-640-421-E from Littelfuse Inc. is a 40A, 480V, 1-pole magnetic hydraulic delay circuit breaker with a lever actuator for panel mount applications.
Stock on Request

CA1-B2-12-640-421-E 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
Industrial Grade
Mounting Type
Number of Poles
SVHC Present
Voltage Rating
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CA1-B2-12-640-421-E Description

Short technical summary and product information.

The CA1-B2-12-640-421-E is a circuit breaker manufactured by Littelfuse Inc. It is designed for overcurrent protection in electrical circuits. The breaker is rated for 40A continuous current at 480V AC, making it suitable for a variety of industrial and commercial applications.

 

This single-pole breaker uses a magnetic hydraulic delay mechanism, providing reliable trip characteristics for motor and equipment protection. The lever actuator allows for manual on/off control. The unit is non-illuminated and intended for panel mount installation.

 

The CA1-B2-12-640-421-E carries multiple safety approvals including CCC, CSA, TUV, and UL, indicating compliance with international standards. It is a RoHS3 compliant component, though this compliance status is unverified from official documentation.

CA1-B2-12-640-421-E Quick Information

Product Type: Circuit Breaker
Series: CA1
Canonical Name: CA1-B2-12-640-421-E Circuit Breaker
Subcategory: Magnetic Hydraulic Delay Circuit Breaker

CA1-B2-12-640-421-E Compliance

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

CA1-B2-12-640-421-E Features

  • Rated for 40A continuous current at 480V.
  • Single-pole magnetic hydraulic delay circuit breaker.
  • Panel mount with lever actuator for easy operation.
  • Approved by CCC, CSA, TUV, UL agencies.
  • Non-illuminated lever actuator design.

CA1-B2-12-640-421-E Applications

  • Used for overcurrent protection in industrial circuits.
  • Suitable for panel mount distribution boards.
  • Ideal for motor circuit protection applications.
  • Applicable in commercial building electrical systems.

CA1-B2-12-640-421-E FAQs

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

40A.

What is the voltage rating of this circuit breaker?

480V.

What type of breaker is the CA1-B2-12-640-421-E?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What is the actuator type on this circuit breaker?

Lever.

What is the mounting type for this circuit breaker?

Panel Mount.

What safety approvals does this circuit breaker have?

CCC, CSA, TUV, UL.

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