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AA1-B0-12-640-Q22-E The Littelfuse Inc. AA1-B0-12-640-Q22-E is a single-pole, magnetic hydraulic delay circuit breaker. It features a 40A current rating and 277V voltage rating.
Mfr Part #:

AA1-B0-12-640-Q22-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-12-640-Q22-E is a single-pole, magnetic hydraulic delay circuit breaker. It features a 40A current rating and 277V voltage rating.
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AA1-B0-12-640-Q22-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
Tape & Reel
Voltage Rating
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AA1-B0-12-640-Q22-E Description

Short technical summary and product information.

This Littelfuse Inc. AA1-B0-12-640-Q22-E is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic hydraulic delay mechanism for reliable operation.

 

The breaker has a current rating of 40A and a voltage rating of 277V, making it suitable for various power distribution applications. The actuator type is a lever, providing a clear visual indication of its state.

 

Key electrical specifications include a 40A current rating and a 277V voltage rating. The breaker type is magnetic with a hydraulic delay, and it features a single pole configuration. It is designed for panel mounting and has a lever actuator. The illumination is none.

AA1-B0-12-640-Q22-E Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-12-640-Q22-E Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-12-640-Q22-E Compliance

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

AA1-B0-12-640-Q22-E Features

  • 40A current rating for power applications.
  • 277V voltage rating for electrical systems.
  • Magnetic hydraulic delay breaker type.
  • Single pole, lever actuator design.
  • Panel mount for easy installation.

AA1-B0-12-640-Q22-E Applications

  • Protects industrial motor control circuits.
  • Safeguards commercial power distribution panels.
  • Provides branch circuit overload protection.
  • Integrates into standard equipment enclosures.

AA1-B0-12-640-Q22-E FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-12-640-Q22-E?

40A

What is the maximum voltage rating for this circuit breaker?

277V

How many poles does the AA1-B0-12-640-Q22-E have?

1 pole

What type of actuator is used on this breaker?

Lever

What mounting method is required for installation?

Panel Mount

What trip mechanism does the AA1-B0-12-640-Q22-E utilize?

Magnetic (Hydraulic Delay)

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