AA2-B0-24-642-521-4 The Littelfuse Inc. AA2-B0-24-642-521-4 is a 2-pole circuit breaker designed for panel mounting. It features a 42A current rating and a 277V voltage rating.
Mfr Part #:

AA2-B0-24-642-521-4

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA2-B0-24-642-521-4 is a 2-pole circuit breaker designed for panel mounting. It features a 42A current rating and a 277V voltage rating.
Stock on Request
$ Price Range: $0.99

AA2-B0-24-642-521-4 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

AA2-B0-24-642-521-4 Description

Short technical summary and product information.

This Littelfuse Inc. AA2-B0-24-642-521-4 is a 2-pole circuit breaker with a current rating of 42A and a voltage rating of 277V. It is designed for panel mounting and features a lever actuator.

 

The breaker type is magnetic with a hydraulic delay, offering reliable protection. It is approved by CCC. The illumination is none.

 

Environmental compliance includes RoHS3 compliance, MSL 1, and REACH unaffected status. However, these compliance details are unverified and should be treated with low confidence.

 

This component is suitable for applications requiring robust circuit protection with specific electrical and mounting requirements.

AA2-B0-24-642-521-4 Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA2-B0-24-642-521-4 Circuit Breaker
Subcategory: Circuit Breaker

AA2-B0-24-642-521-4 Compliance

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

AA2-B0-24-642-521-4 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

AA2-B0-24-642-521-4 Features

  • 42A current rating for robust protection.
  • 277V voltage rating for AC applications.
  • Magnetic breaker with hydraulic delay.
  • Panel mount design for easy integration.
  • Two-pole configuration for circuit isolation.

AA2-B0-24-642-521-4 Applications

  • Industrial control panel applications.
  • Power distribution systems.
  • Machinery safety circuits.
  • Building electrical systems.

AA2-B0-24-642-521-4 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA2-B0-24-642-521-4 circuit breaker?

The current rating is 42A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

How is the AA2-B0-24-642-521-4 circuit breaker mounted?

It is designed for panel mounting.

What type of breaker is the AA2-B0-24-642-521-4?

It is a magnetic breaker with a hydraulic delay.

How many poles does this circuit breaker have?

It has 2 poles.

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