AA2-B0-24-620-521-C The Littelfuse Inc. AA2-B0-24-620-521-C is a 2-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA2-B0-24-620-521-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA2-B0-24-620-521-C is a 2-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
Stock on Request
$ Price Range: $0.99

AA2-B0-24-620-521-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
Storage Temperature
Tape & Reel
Voltage Rating

AA2-B0-24-620-521-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA2-B0-24-620-521-C, is a 2-pole device suitable for panel mounting applications. It operates with a 20A current rating and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, providing reliable protection. The actuator type is a lever, and it does not feature illumination. It is classified under the circuit protection category, specifically as a circuit breaker.

 

Environmental compliance includes RoHS3 compliance, MSL 1, and REACH unaffected status, though these are unverified. The part is also listed with CSA, CCC, and UL approval agencies.

AA2-B0-24-620-521-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA2-B0-24-620-521-C Circuit Breaker
Subcategory: Circuit Breaker

AA2-B0-24-620-521-C Compliance

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

AA2-B0-24-620-521-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-B0-24-620-521-C Features

  • 20A current rating for protection.
  • 277V voltage rating for power systems.
  • 2-pole magnetic hydraulic delay breaker.
  • Panel mount design for easy installation.
  • Lever actuator for operation.

AA2-B0-24-620-521-C Applications

  • Suitable for general circuit protection.
  • Used in systems requiring 277V.
  • Ideal for 20A load circuits.
  • Panel-mounted installations.

AA2-B0-24-620-521-C FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA2-B0-24-620-521-C circuit breaker?

The current rating is 20A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

How many poles does the AA2-B0-24-620-521-C have?

It has 2 poles.

What type of mounting does this circuit breaker use?

It uses panel mount.

What is the breaker type?

The breaker type is Magnetic (Hydraulic Delay).

AA2-B0-24-620-521-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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The Littelfuse Inc. AB2-B0-24-620-3D1-C is a 2-pole magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
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The Littelfuse Inc. AA2-B0-24-620-2D1-C is a 2-pole circuit breaker designed for panel mounting. It offers a 20A current rating and a 277V voltage rating.
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