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AA1-B0-34-620-3D5-C The Littelfuse Inc. AA1-B0-34-620-3D5-C is a 1-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-34-620-3D5-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-34-620-3D5-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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AA1-B0-34-620-3D5-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-B0-34-620-3D5-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-34-620-3D5-C, is a single-pole device with a magnetic hydraulic delay mechanism. It is rated for 20 Amps and 277 Volts, making it suitable for various protection applications.

 

The breaker is designed for panel mounting with a snap-in mechanism for secure installation. It features a lever actuator for easy operation and does not include illumination.

 

Compliance is noted as RoHS3 Compliant, MSL 1 Unlimited, and REACH Unaffected, though these are currently unverified. The approval agencies include CCC, CSA, and UL, indicating broad acceptance.

 

This component is part of the Circuit Breakers category, offering reliable protection against overcurrent conditions in electrical systems.

AA1-B0-34-620-3D5-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-34-620-3D5-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-34-620-3D5-C Compliance

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

AA1-B0-34-620-3D5-C Features

  • 20A current rating for protection.
  • 277V voltage rating for AC circuits.
  • Panel mount, snap-in installation.
  • Magnetic (hydraulic delay) breaker type.
  • Lever actuator for operation.

AA1-B0-34-620-3D5-C Applications

  • Protects electrical circuits from overloads.
  • Suitable for panel-mounted systems.
  • Used in AC power distribution.
  • Industrial control applications.
  • Commercial building protection.

AA1-B0-34-620-3D5-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the AA1-B0-34-620-3D5-C?

277V AC.

What is the mounting type for this circuit breaker?

Panel Mount, Snap-In.

What is the current rating?

20A.

What type of breaker is this?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What actuator type does it use?

Lever.

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