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AA2-B2-22-640-5B1-C The Littelfuse Inc. AA2-B2-22-640-5B1-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-B2-22-640-5B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA2-B2-22-640-5B1-C is a 2-pole circuit breaker designed for panel mounting. It features a 40A current rating and a 277V voltage rating.
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AA2-B2-22-640-5B1-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
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AA2-B2-22-640-5B1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA2-B2-22-640-5B1-C, is a 2-pole device with a magnetic (hydraulic delay) tripping mechanism. It is rated for a maximum current of 40A and a voltage of 277V.

 

The breaker is designed for panel mounting and features a lever actuator. It has received approvals from CCC, CSA, and UL.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status. However, this compliance data is considered low confidence and requires verification.

 

This component is suitable for applications requiring reliable overcurrent protection with specific electrical and mounting characteristics.

AA2-B2-22-640-5B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA2-B2-22-640-5B1-C 2-Pole Magnetic Circuit Breaker

AA2-B2-22-640-5B1-C Compliance

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

AA2-B2-22-640-5B1-C Features

  • 40A current rating for protection.
  • 277V voltage rating for power systems.
  • Panel mount design for easy installation.
  • 2-pole configuration for circuit isolation.
  • Lever actuator for operation.

AA2-B2-22-640-5B1-C Applications

  • Used for overcurrent protection.
  • Suitable for 277V power circuits.
  • Ideal for panel-mounted systems.
  • Provides circuit isolation.
  • Features hydraulic delay tripping.

AA2-B2-22-640-5B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating?

40A.

What is the voltage rating?

277V.

How many poles does this circuit breaker have?

2 poles.

What type of breaker is this?

Magnetic (Hydraulic Delay).

What is the actuator type?

Lever.

What mounting type is supported?

Panel mount.

What approvals does this circuit breaker have?

CCC, CSA, UL.

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