A51-B0-52-640-P14-E The Littelfuse Inc. A51-B0-52-640-P14-E is a 40A magnetic circuit breaker featuring hydraulic delay and a push-to-reset mechanism. It supports panel mounting and operates at 277V AC or 80V DC.
Mfr Part #:

A51-B0-52-640-P14-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. A51-B0-52-640-P14-E is a 40A magnetic circuit breaker featuring hydraulic delay and a push-to-reset mechanism. It supports panel mounting and operates at 277V AC or 80V DC.
Stock on Request
$ Price Range: $0.99

A51-B0-52-640-P14-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
Mounting Type
Number of Poles
Voltage Rating

A51-B0-52-640-P14-E Description

Short technical summary and product information.

This Littelfuse Inc. A51-B0-52-640-P14-E is a single-pole magnetic circuit breaker designed for reliable circuit protection. It incorporates a hydraulic delay mechanism for enhanced performance.

 

The breaker has a current rating of 40 amperes and is compatible with both 277-volt AC and 80-volt DC power sources. It features a push-to-reset actuator and is designed for convenient panel mounting.

 

Key specifications include a 40A current rating, 277V AC and 80V DC voltage compatibility, and a magnetic breaker type with hydraulic delay. The device is RoHS3 Compliant and has an MSL of 1 Unlimited.

 

This circuit breaker is suitable for various applications requiring robust overcurrent protection, offering dependable operation in diverse electrical systems.

A51-B0-52-640-P14-E Quick Information

Product Type: Circuit Breaker
Series: Series A
Canonical Name: Littelfuse Inc. A51-B0-52-640-P14-E Magnetic Circuit Breaker
Subcategory: Magnetic Circuit Breaker

A51-B0-52-640-P14-E Compliance

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

A51-B0-52-640-P14-E Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

A51-B0-52-640-P14-E Features

  • 40A current rating for protection.
  • Supports 277V AC and 80V DC.
  • Magnetic breaker with hydraulic delay.
  • Push-to-reset actuator for operation.
  • Designed for panel mounting.

A51-B0-52-640-P14-E Applications

  • Ideal for AC and DC power circuits.
  • Suitable for panel-mounted systems.
  • Provides reliable overcurrent protection.
  • Used in industrial control panels.
  • Applicable in diverse electrical equipment.

A51-B0-52-640-P14-E FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the A51-B0-52-640-P14-E circuit breaker?

The current rating is 40A.

What is the voltage rating for this circuit breaker?

It is rated for 277V AC and 80V DC.

What type of breaker mechanism does the A51-B0-52-640-P14-E use?

It is a magnetic circuit breaker with a hydraulic delay.

How is the A51-B0-52-640-P14-E circuit breaker reset?

It requires a push-to-reset mechanism.

What mounting type is used for this circuit breaker?

It is designed for panel mounting.

Is the A51-B0-52-640-P14-E RoHS compliant?

Yes, it is ROHS3 Compliant.

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The Littelfuse Inc. A61-B0-12-640-M14-E is a 1-pole circuit breaker designed for panel mounting. It features a 40A current rating and a 277V voltage rating.
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The Littelfuse Inc. A61-B0-12-640-PA4-E is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay and a push-to-reset actuator.
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