AA1-B0-24-620-1B3-C The Littelfuse Inc. AA1-B0-24-620-1B3-C is a single-pole circuit breaker with a 20A current rating and 277V voltage rating. It features a panel mount design and a magnetic hydraulic delay mechanism.
Mfr Part #:

AA1-B0-24-620-1B3-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-24-620-1B3-C is a single-pole circuit breaker with a 20A current rating and 277V voltage rating. It features a panel mount design and a magnetic hydraulic delay mechanism.
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AA1-B0-24-620-1B3-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

AA1-B0-24-620-1B3-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-24-620-1B3-C, is designed for reliable circuit protection. It operates at a voltage rating of 277V and has a current rating of 20A.

 

The breaker type is magnetic with a hydraulic delay, suitable for applications requiring specific trip characteristics. It is a single-pole unit with a lever actuator and a panel mount design for easy integration into control panels and enclosures.

 

Key specifications include a 20A current rating and 277V voltage rating. The mounting type is panel mount, and the actuator type is a lever. It is approved by CCC, CSA, and UL agencies, ensuring compliance with various safety standards.

 

This component is RoHS3 compliant and has an MSL of 1 Unlimited. Its REACH status is unaffected. The part number is AA1-B0-24-620-1B3-C.

AA1-B0-24-620-1B3-C Quick Information

Product Type: Circuit Breaker
Series: AA1-B0
Canonical Name: Littelfuse Inc. AA1-B0-24-620-1B3-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-24-620-1B3-C Compliance

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

AA1-B0-24-620-1B3-C Features

  • 20A current rating for protection.
  • 277V voltage rating.
  • Panel mount design.
  • Magnetic hydraulic delay type.
  • CCC, CSA, UL approved.

AA1-B0-24-620-1B3-C Applications

  • Industrial control panels.
  • Power distribution systems.
  • Machinery safety circuits.
  • Commercial building protection.

AA1-B0-24-620-1B3-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-24-620-1B3-C?

The current rating is 20A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is the AA1-B0-24-620-1B3-C?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What actuator type does this breaker use?

It uses a lever actuator.

What mounting type is supported?

Panel mount.

What safety approvals does this part have?

It is approved by CCC, CSA, and UL.

AA1-B0-24-620-1B3-C Alternate Parts

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The Littelfuse Inc. AA1-B0-14-620-3D2-C is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 20A and 277V. It features a lever actuator and panel mount.
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The Littelfuse Inc. AA1-B0-24-620-2A1-C is a 1-pole circuit breaker designed for panel mounting. It offers a 20A current rating and a 277V voltage rating.
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