AA1-B0-12-620-2D2-C The Littelfuse Inc. AA1-B0-12-620-2D2-C is a single-pole, magnetic (hydraulic delay) circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-12-620-2D2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-12-620-2D2-C is a single-pole, magnetic (hydraulic delay) circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
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AA1-B0-12-620-2D2-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

AA1-B0-12-620-2D2-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-12-620-2D2-C, is a single-pole device with a magnetic (hydraulic delay) tripping 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 compliant with RoHS3 standards and has an MSL of 1. The approval agencies include CCC, CSA, and UL.

 

This component is suitable for applications requiring reliable overcurrent protection with a specific delay characteristic. Its panel mount design facilitates integration into various electrical enclosures and systems.

AA1-B0-12-620-2D2-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-12-620-2D2-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

AA1-B0-12-620-2D2-C Compliance

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

AA1-B0-12-620-2D2-C Features

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

AA1-B0-12-620-2D2-C Applications

  • Provides overcurrent protection in panels.
  • Suitable for 277V power distribution.
  • Used in systems needing hydraulic delay.
  • Integrates into various electrical enclosures.

AA1-B0-12-620-2D2-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-12-620-2D2-C circuit breaker?

The current rating is 20A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

What type of breaker is the AA1-B0-12-620-2D2-C?

It is a Magnetic (Hydraulic Delay) breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Is the AA1-B0-12-620-2D2-C RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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