AA1-B0-16-620-3D2-C The Littelfuse Inc. AA1-B0-16-620-3D2-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-16-620-3D2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-16-620-3D2-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
Stock on Request

AA1-B0-16-620-3D2-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-B0-16-620-3D2-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-16-620-3D2-C, is designed for reliable circuit protection. It operates with a 20A current rating and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, offering specific trip characteristics suitable for various applications. It features a simple lever actuator for manual operation and a panel mount design for easy integration into control panels or enclosures.

 

With a single pole configuration, this circuit breaker is suitable for single-phase circuits. It is approved by CCC, CSA, and UL agencies, indicating compliance with relevant safety standards. The RoHS status is compliant with RoHS3, and it has an MSL rating of 1, signifying unlimited moisture sensitivity.

 

Key specifications include a 277V voltage rating and a 20A current rating. The mounting type is panel mount, and the actuator type is a lever. It has one pole and no illumination.

AA1-B0-16-620-3D2-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: Littelfuse Inc. AA1-B0-16-620-3D2-C Circuit Breaker

AA1-B0-16-620-3D2-C Compliance

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

AA1-B0-16-620-3D2-C Features

  • 20A current rating for circuit protection.
  • 277V voltage rating for electrical systems.
  • Magnetic hydraulic delay breaker type.
  • Panel mount design for easy installation.
  • Lever actuator for manual operation.

AA1-B0-16-620-3D2-C Applications

  • Protects industrial control panel circuits.
  • Safeguards motor starter branch circuits.
  • Provides overload protection for distribution boards.
  • Used in commercial HVAC equipment power feeds.
  • Integrates into custom electrical enclosure designs.

AA1-B0-16-620-3D2-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-16-620-3D2-C?

It is rated for 20 amperes of continuous current.

What type of breaker mechanism does this circuit breaker use?

It uses a magnetic hydraulic delay mechanism for tripping.

How is the AA1-B0-16-620-3D2-C mounted?

It is designed for panel mount installation.

What actuator type is used on this circuit breaker?

It features a manual lever actuator.

Is this circuit breaker illuminated?

No, it has no illumination feature.

What voltage rating applies to this component?

It operates at a maximum voltage of 277 volts.

Which safety agencies have approved this circuit breaker?

It holds approvals from UL, CSA, and CCC.

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