AA4-B0-24-620-2D3-C The Littelfuse Inc. AA4-B0-24-620-2D3-C is a 4-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism with a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA4-B0-24-620-2D3-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA4-B0-24-620-2D3-C is a 4-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism with a 20A current rating and a 277V voltage rating.
Stock on Request
$ Price Range: $0.99

AA4-B0-24-620-2D3-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

AA4-B0-24-620-2D3-C Description

Short technical summary and product information.

This Littelfuse Inc. AA4-B0-24-620-2D3-C is a 4-pole circuit breaker utilizing a magnetic (hydraulic delay) mechanism for reliable operation. It is rated for a current of 20A and a voltage of 277V.

 

The breaker is designed for panel mounting, making it suitable for integration into various electrical enclosures and control panels. Its actuator type is a lever, providing a clear visual indication of its state.

 

Key approvals include CCC, CSA, and UL, indicating compliance with significant safety and performance standards. The RoHS status is reported as RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is 1 Unlimited, suggesting standard handling requirements.

 

This component is suitable for applications requiring robust overcurrent protection with a specific delay characteristic, such as in industrial control systems or power distribution units.

AA4-B0-24-620-2D3-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA4-B0-24-620-2D3-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

AA4-B0-24-620-2D3-C Compliance

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

AA4-B0-24-620-2D3-C Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

AA4-B0-24-620-2D3-C Features

  • 20A current rating for protection.
  • 277V voltage rating for power systems.
  • 4-pole configuration for multi-circuit control.
  • Magnetic hydraulic delay for specific response.
  • Panel mount design for easy integration.

AA4-B0-24-620-2D3-C Applications

  • Industrial control panel protection.
  • Power distribution system safety.
  • Equipment overcurrent safeguarding.
  • Machine tool electrical systems.

AA4-B0-24-620-2D3-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA4-B0-24-620-2D3-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 AA4-B0-24-620-2D3-C have?

It has 4 poles.

What type of mounting is required for this circuit breaker?

It is designed for panel mounting.

What is the breaker type?

The breaker type is Magnetic (Hydraulic Delay).

Which approval agencies have certified this circuit breaker?

It is approved by CCC, CSA, and UL.

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