AA2-B0-21-640-5D1-C The Littelfuse Inc. AA2-B0-21-640-5D1-C is a 2-pole circuit breaker designed for panel mounting. It features a 40A current rating and a 277V voltage rating.
Mfr Part #:

AA2-B0-21-640-5D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA2-B0-21-640-5D1-C is a 2-pole circuit breaker designed for panel mounting. It features a 40A current rating and a 277V voltage rating.
Stock on Request
$ Price Range: $0.99

AA2-B0-21-640-5D1-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)
Illumination
Mounting Type
Number of Poles
Voltage Rating

AA2-B0-21-640-5D1-C Description

Short technical summary and product information.

This Littelfuse Inc. AA2-B0-21-640-5D1-C is a magnetic (hydraulic delay) circuit breaker with a 40A current rating and a 277V voltage rating. It is a 2-pole device with a lever actuator and is designed for panel mounting.

 

Key electrical specifications include a 40A current rating and a 277V voltage rating. The breaker type is magnetic with a hydraulic delay, suitable for applications requiring specific trip characteristics. It has two poles, providing circuit protection for multiple conductors.

 

The device is approved by CCC, CSA, and UL, indicating compliance with relevant safety standards. It features a lever actuator for manual operation and has no illumination. The mounting type is panel mount, allowing for easy integration into control panels and enclosures.

 

Environmental compliance includes RoHS3 compliance and an MSL of 1. REACH status is unaffected. This circuit breaker is suitable for various industrial and commercial applications where reliable overcurrent protection is required.

AA2-B0-21-640-5D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA2-B0-21-640-5D1-C Circuit Breaker
Subcategory: Circuit Breaker

AA2-B0-21-640-5D1-C Compliance

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

AA2-B0-21-640-5D1-C Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

AA2-B0-21-640-5D1-C Features

  • 40A current rating for robust protection.
  • 277V voltage rating for various applications.
  • Magnetic (hydraulic delay) breaker type.
  • Two-pole configuration for multi-conductor circuits.
  • Panel mount design for easy installation.

AA2-B0-21-640-5D1-C Applications

  • Industrial control panel protection.
  • Commercial electrical system safety.
  • Equipment overcurrent safeguarding.
  • Power distribution circuit protection.

AA2-B0-21-640-5D1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA2-B0-21-640-5D1-C circuit breaker?

The current rating is 40A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

How many poles does the AA2-B0-21-640-5D1-C have?

It has 2 poles.

What type of breaker is the AA2-B0-21-640-5D1-C?

It is a Magnetic (Hydraulic Delay) breaker type.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Is the AA2-B0-21-640-5D1-C RoHS compliant?

Yes, it is RoHS3 Compliant.

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