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CA1-B2-52-640-121-D The CA1-B2-52-640-121-D is a 40A, 480V single-pole magnetic circuit breaker from Littelfuse Inc. It features a hydraulic delay mechanism and panel mount design.
Mfr Part #:

CA1-B2-52-640-121-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The CA1-B2-52-640-121-D is a 40A, 480V single-pole magnetic circuit breaker from Littelfuse Inc. It features a hydraulic delay mechanism and panel mount design.
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CA1-B2-52-640-121-D 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-B2-52-640-121-D Description

Short technical summary and product information.

The CA1-B2-52-640-121-D is a single-pole magnetic circuit breaker manufactured by Littelfuse Inc. This component is designed for overcurrent protection in industrial and commercial electrical systems.

 

It is rated for 40A continuous current and 480V, employing a magnetic hydraulic delay trip mechanism. The lever actuator provides manual reset capability. The breaker is panel mounted, which simplifies installation into control panels and distribution boards.

 

This circuit breaker is certified by CCC, CSA, UL, and VDE, meeting international safety standards. Its robust construction ensures reliable operation in demanding environments.

CA1-B2-52-640-121-D Quick Information

Product Type: Circuit Breaker
Series: CA1
Canonical Name: CA1-B2-52-640-121-D Circuit Breaker
Subcategory: Magnetic Circuit Breaker

CA1-B2-52-640-121-D Compliance

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

CA1-B2-52-640-121-D Features

  • Rated for 40A continuous current.
  • Rated for 480V AC/DC operation.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, UL, VDE.

CA1-B2-52-640-121-D Applications

  • Industrial power distribution panels.
  • Commercial equipment overcurrent protection.
  • Motor control circuits.
  • HVAC system protection.

CA1-B2-52-640-121-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the CA1-B2-52-640-121-D?

480V.

What is the current rating?

40A.

How many poles does this circuit breaker have?

1 pole.

What type of breaker is it?

Magnetic (Hydraulic Delay).

What is the actuator type?

Lever.

What mounting type does it have?

Panel Mount.

What approvals does it have?

CCC, CSA, UL, VDE.

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The Littelfuse Inc. CA1-B2-14-640-121-D is a magnetic hydraulic delay circuit breaker. It features a 40A current rating and a 480V voltage rating.
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CA1-B2-14-640-412-D
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CA1-B2-14-640-122-D
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The Littelfuse Inc. CA1-B2-14-640-122-D is a circuit breaker designed for panel mounting. It features a 40A current rating and a 480V voltage rating.
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The Littelfuse Inc. CA1-B2-14-640-322-D is a magnetic circuit breaker with a 40A current rating and 480V voltage rating. It features a panel mount design and a lever actuator.
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