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AA1-B0-16-620-4B1-C The Littelfuse Inc. AA1-B0-16-620-4B1-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) trip mechanism and a 20A current rating.
Mfr Part #:

AA1-B0-16-620-4B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-16-620-4B1-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) trip mechanism and a 20A current rating.
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AA1-B0-16-620-4B1-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
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AA1-B0-16-620-4B1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-16-620-4B1-C, is a single-pole device with a 20A current rating and a voltage rating of 277V. It utilizes a magnetic (hydraulic delay) tripping mechanism for 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, providing a clear visual indication of its state.

 

Key specifications include a 1-pole configuration and no illumination. It is approved by CCC, CSA, and UL agencies. The component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

AA1-B0-16-620-4B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-16-620-4B1-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-16-620-4B1-C Compliance

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

AA1-B0-16-620-4B1-C Features

  • 20A current rating for protection.
  • 277V voltage rating.
  • Magnetic (hydraulic delay) trip mechanism.
  • Panel mount design for easy integration.
  • Single-pole configuration.

AA1-B0-16-620-4B1-C Applications

  • Used in electrical distribution panels.
  • Suitable for control system protection.
  • Applicable in industrial equipment.
  • Ideal for building automation systems.

AA1-B0-16-620-4B1-C FAQs

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

20A

What is the voltage rating of this circuit breaker?

277V

What type of breaker is this?

Magnetic (Hydraulic Delay)

How many poles does this breaker have?

1

What approvals does this circuit breaker have?

CCC, CSA, UL

What is the actuator type?

Lever

What is the mounting type?

Panel Mount

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