A61-B0-12-640-PA4-E 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.
Mfr Part #:

A61-B0-12-640-PA4-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
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.
Stock on Request
$ Price Range: $0.99

A61-B0-12-640-PA4-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
Storage Temperature
Tape & Reel
Voltage Rating

A61-B0-12-640-PA4-E Description

Short technical summary and product information.

This Littelfuse Inc. A61-B0-12-640-PA4-E is a single-pole circuit breaker with a current rating of 40A and a voltage rating of 277V. It is designed for panel mounting and features a push-to-reset actuator.

 

The breaker type is magnetic with a hydraulic delay, providing reliable overcurrent protection. It is approved by CCC, CSA, TUV, and UL agencies.

 

Key specifications include a 40A current rating and a 277V voltage rating. The mounting type is panel mount, and the actuator type is push to reset. It has no illumination.

 

Environmental compliance includes RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status. The part number is A61-B0-12-640-PA4-E.

A61-B0-12-640-PA4-E Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. A61-B0-12-640-PA4-E Circuit Breaker

A61-B0-12-640-PA4-E Compliance

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

A61-B0-12-640-PA4-E Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

A61-B0-12-640-PA4-E Features

  • 40A current rating for protection.
  • 277V voltage rating for power systems.
  • Panel mount for easy installation.
  • Push-to-reset actuator for operation.
  • Magnetic hydraulic delay mechanism.

A61-B0-12-640-PA4-E Applications

  • Suitable for industrial control panels.
  • Used in power distribution systems.
  • Ideal for equipment protection circuits.
  • Applicable in machinery safety systems.

A61-B0-12-640-PA4-E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the A61-B0-12-640-PA4-E circuit breaker?

The current rating is 40A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

How is the A61-B0-12-640-PA4-E circuit breaker mounted?

It is designed for panel mounting.

What type of actuator does this circuit breaker have?

It features a push-to-reset actuator.

What are the approval agencies for this circuit breaker?

It is approved by CCC, CSA, TUV, and UL.

Is the A61-B0-12-640-PA4-E RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

A61-B0-12-640-PA4-E Alternate Parts

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A51-B0-14-640-514-E
Littelfuse Inc.
The Littelfuse Inc. A51-B0-14-640-514-E is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a push-to-reset actuator.
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