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AA1-B0-34-620-512-C Panel mount circuit breaker rated 20A at 277V. Single pole with magnetic hydraulic delay actuation and lever actuator.
Mfr Part #:

AA1-B0-34-620-512-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Panel mount circuit breaker rated 20A at 277V. Single pole with magnetic hydraulic delay actuation and lever actuator.
Stock on Request

AA1-B0-34-620-512-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-B0-34-620-512-C Description

Short technical summary and product information.

The AA1-B0-34-620-512-C is a circuit breaker manufactured by Littelfuse Inc. It is rated for 20A continuous current and operates at a voltage rating of 277V. This single-pole breaker uses magnetic hydraulic delay technology, providing time-delayed overcurrent protection suitable for applications with inrush currents. The breaker features a lever actuator and is designed for panel mount installation. It is not illuminated. Approvals include CCC, CSA, and UL, ensuring compliance with international safety standards. Typical applications include overcurrent protection in power distribution systems, industrial control panels, and branch circuits.

AA1-B0-34-620-512-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Magnetic Hydraulic Delay Circuit Breaker, 20A, 277V, 1-Pole, Panel Mount
Subcategory: Magnetic Circuit Breakers

AA1-B0-34-620-512-C Compliance

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

AA1-B0-34-620-512-C Features

  • Rated for 20A continuous current.
  • Operates at 277V voltage rating.
  • Single pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, and UL.

AA1-B0-34-620-512-C Applications

  • Overcurrent protection for power distribution systems.
  • Industrial control panel circuit protection.
  • Branch circuit protection in commercial applications.
  • Motor and transformer inrush protection.

AA1-B0-34-620-512-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-34-620-512-C?

20A.

What is the voltage rating of the AA1-B0-34-620-512-C?

277V.

How many poles does this circuit breaker have?

1 pole.

What type of circuit breaker is the AA1-B0-34-620-512-C?

Magnetic (Hydraulic Delay).

What is the actuator type of this breaker?

Lever.

What is the mounting style of the AA1-B0-34-620-512-C?

Panel mount.

What approvals does the AA1-B0-34-620-512-C hold?

CCC, CSA, and UL.

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