AA1-B0-14-640-5D2-C The Littelfuse Inc. AA1-B0-14-640-5D2-C is a single-pole circuit breaker with a 40A current rating and 277V AC / 80V DC voltage rating. It features a magnetic hydraulic delay mechanism.
Mfr Part #:

AA1-B0-14-640-5D2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-14-640-5D2-C is a single-pole circuit breaker with a 40A current rating and 277V AC / 80V DC voltage rating. It features a magnetic hydraulic delay mechanism.
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AA1-B0-14-640-5D2-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)
Failure Rate
Illumination
Mounting Type
Number of Poles
Voltage Rating

AA1-B0-14-640-5D2-C Description

Short technical summary and product information.

This Littelfuse Inc. AA1-B0-14-640-5D2-C is a single-pole circuit breaker designed for circuit protection applications. It operates with a 40A current rating and supports up to 277V AC or 80V DC.

 

The breaker utilizes a magnetic (hydraulic delay) mechanism for reliable operation. It is designed for panel mount installation and features a lever actuator. The series designation is A.

 

Key approvals include CCC, CSA, and UL, indicating compliance with various safety standards. The RoHS status is RoHS3 Compliant, and the Moisture Sensitivity Level is 1 Unlimited.

AA1-B0-14-640-5D2-C Quick Information

Product Type: Circuit Breaker
Series: A
Canonical Name: Littelfuse Inc. AA1-B0-14-640-5D2-C Circuit Breaker

AA1-B0-14-640-5D2-C Compliance

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

AA1-B0-14-640-5D2-C Features

  • 40A current rating for circuit protection.
  • Supports 277V AC and 80V DC operation.
  • Magnetic hydraulic delay tripping mechanism.
  • Panel mount design with lever actuator.
  • CCC, CSA, and UL agency approvals.

AA1-B0-14-640-5D2-C Applications

  • Ideal for overcurrent protection.
  • Suitable for panel mount installations.
  • Used in systems with AC and DC loads.
  • Designed for industrial control panels.
  • Meets CCC, CSA, and UL standards.

AA1-B0-14-640-5D2-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating for the Littelfuse Inc. AA1-B0-14-640-5D2-C circuit breaker?

The voltage rating is 277V AC and 80V DC.

What is the current rating of this circuit breaker?

The current rating is 40A.

What type of breaker mechanism does the AA1-B0-14-640-5D2-C use?

It uses a magnetic (hydraulic delay) mechanism.

How is the AA1-B0-14-640-5D2-C mounted?

It is designed for panel mount installation.

What are the agency approvals for this circuit breaker?

It is approved by CCC, CSA, and UL.

Is this circuit breaker RoHS compliant?

Yes, it is RoHS3 Compliant.

AA1-B0-14-640-5D2-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
AA1-B0-14-640-HU2-C
AA1-B0-14-640-HU2-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-14-640-HU2-C is a single-pole circuit breaker designed for panel mounting. It features a 40A current rating and a 277V AC voltage rating.
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