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AA1-B0-20-620-1D2-C The Littelfuse Inc. AA1-B0-20-620-1D2-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism with a 20A current rating and 277V voltage rating.
Mfr Part #:

AA1-B0-20-620-1D2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-20-620-1D2-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism with a 20A current rating and 277V voltage rating.
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AA1-B0-20-620-1D2-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-B0-20-620-1D2-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-20-620-1D2-C, is a single-pole device suitable for panel mounting applications. It operates with a magnetic hydraulic delay, providing reliable protection.

 

The breaker is rated for a maximum current of 20A and a voltage of 277V. It features a lever actuator and does not include illumination. Approval agencies include CCC, CSA, and UL.

 

Compliance information indicates RoHS3 compliance, MSL 1 Unlimited, and REACH Unaffected status. The DK Part Number for this component is 432-AA1-B0-20-620-1D2-C-ND.

AA1-B0-20-620-1D2-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-20-620-1D2-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

AA1-B0-20-620-1D2-C Compliance

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

AA1-B0-20-620-1D2-C Features

  • 20A current rating for protection.
  • 277V voltage rating for power systems.
  • Magnetic hydraulic delay mechanism.
  • Single-pole, panel mount design.
  • Lever actuator for operation.

AA1-B0-20-620-1D2-C Applications

  • Branch circuit protection for lighting loads.
  • Overcurrent protection in control panels.
  • Motor circuit protection in industrial equipment.
  • Power distribution for commercial buildings.

AA1-B0-20-620-1D2-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-20-620-1D2-C?

20A.

What is the voltage rating?

277V.

How many poles does it have?

1 pole.

What type of breaker is it?

Magnetic (Hydraulic Delay).

What is the actuator type?

Lever.

What is the mounting type?

Panel mount.

Does the breaker have illumination?

No.

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