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AA1-B0-24-620-5B1-C The Littelfuse Inc. AA1-B0-24-620-5B1-C is a 1-pole magnetic circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-24-620-5B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-24-620-5B1-C is a 1-pole magnetic circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
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AA1-B0-24-620-5B1-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
SVHC Present
Voltage Rating
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AA1-B0-24-620-5B1-C Description

Short technical summary and product information.

This Littelfuse Inc. AA1-B0-24-620-5B1-C is a single-pole circuit breaker with a magnetic hydraulic delay mechanism. It is designed for panel mounting and offers a current rating of 20A and a voltage rating of 277V.

 

The breaker features a lever actuator and no illumination. It is approved by CCC, CSA, and UL agencies, indicating compliance with various safety standards. The component is RoHS3 compliant and has an MSL of 1.

 

Ideal for applications requiring reliable overcurrent protection, this circuit breaker is suitable for industrial and commercial environments where precise tripping characteristics are needed. Its robust construction ensures durability and consistent performance.

AA1-B0-24-620-5B1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: Littelfuse Inc. AA1-B0-24-620-5B1-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-24-620-5B1-C Compliance

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

AA1-B0-24-620-5B1-C Features

  • 20A current rating for protection.
  • 277V voltage rating for power systems.
  • Panel mount for easy installation.
  • Magnetic (hydraulic delay) breaker type.
  • Single pole configuration.

AA1-B0-24-620-5B1-C Applications

  • Provides overcurrent protection.
  • Suitable for industrial control panels.
  • Used in power distribution systems.
  • Ensures equipment safety.

AA1-B0-24-620-5B1-C FAQs

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

20A.

What is the voltage rating?

277V.

How many poles does this breaker have?

1 pole.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

What actuator type is used?

Lever.

What is the mounting type?

Panel Mount.

What safety approvals does it have?

CCC, CSA, UL.

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