AA1-B0-34-620-4B1-C The Littelfuse Inc. AA1-B0-34-620-4B1-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 20A current rating.
Mfr Part #:

AA1-B0-34-620-4B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-34-620-4B1-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 20A current rating.
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AA1-B0-34-620-4B1-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-B0-34-620-4B1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-34-620-4B1-C, is a single-pole device rated for 277V and 20A. It utilizes a magnetic hydraulic delay for its tripping mechanism, providing reliable protection.

 

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, offering a clear visual indication of its status.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status, though these are noted as low confidence due to unverified data. Approval agencies include CCC, CSA, and UL, suggesting broad applicability and adherence to safety standards.

AA1-B0-34-620-4B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-34-620-4B1-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-34-620-4B1-C Compliance

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

AA1-B0-34-620-4B1-C Features

  • 20A current rating for protection.
  • 277V voltage rating for power systems.
  • Panel mount design for integration.
  • Magnetic hydraulic delay mechanism.
  • Single pole configuration.

AA1-B0-34-620-4B1-C Applications

  • Protects branch circuits in commercial lighting.
  • Used in industrial control panel applications.
  • Suitable for HVAC equipment protection.
  • Ideal for power distribution in buildings.

AA1-B0-34-620-4B1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-34-620-4B1-C circuit breaker?

The AA1-B0-34-620-4B1-C has a current rating of 20A.

What is the voltage rating of this Littelfuse circuit breaker?

The voltage rating is 277V.

What type of breaker is the AA1-B0-34-620-4B1-C?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What type of actuator does this breaker use?

It uses a lever actuator.

What is the mounting type for the AA1-B0-34-620-4B1-C?

The mounting type is panel mount.

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The Littelfuse Inc. BA1-B0-24-620-322-C is a panel mount circuit breaker. It features a 20A current rating and a 277V voltage rating.
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The Littelfuse Inc. BA1-B0-20-620-322-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
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The Littelfuse Inc. AA1-B0-24-620-5D2-C is a 1-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
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