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AA1-B0-34-420-3G1-C Littelfuse AA1-B0-34-420-3G1-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 2A at 277V. It features a lever actuator and panel mount design.
Mfr Part #:

AA1-B0-34-420-3G1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse AA1-B0-34-420-3G1-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 2A at 277V. It features a lever actuator and panel mount design.
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AA1-B0-34-420-3G1-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-B0-34-420-3G1-C Description

Short technical summary and product information.

The Littelfuse AA1-B0-34-420-3G1-C is a single-pole hydraulic-magnetic circuit breaker designed for overcurrent protection. It is rated for continuous current of 2A at a voltage of 277V AC or DC. The hydraulic delay mechanism provides time-delayed tripping for transient surge immunity while maintaining fast response to sustained overloads. The breaker uses a lever actuator for manual reset and is intended for panel mount installation. It is approved by UL, CSA, and CCC, making it suitable for use in North American and Chinese markets. The compact design suits applications such as panelboards, power distribution units, and industrial control equipment.

AA1-B0-34-420-3G1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-34-420-3G1-C Circuit Breaker
Subcategory: Hydraulic-Magnetic Circuit Breaker

AA1-B0-34-420-3G1-C Compliance

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

AA1-B0-34-420-3G1-C Features

  • Rated for 2A continuous current at 277V.
  • Single-pole magnetic hydraulic delay design.
  • Lever actuator for manual reset operation.
  • Panel mountable for easy installation.
  • Approved by UL, CSA, and CCC agencies.

AA1-B0-34-420-3G1-C Applications

  • Used in power distribution and panelboards.
  • Ideal for industrial control equipment protection.
  • Suitable for lighting and appliance circuits.
  • Provides overcurrent protection in commercial panels.

AA1-B0-34-420-3G1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of this circuit breaker?

277V.

What is the current rating?

2A.

What type of breaker is this?

Magnetic (hydraulic delay).

How many poles does it have?

1 pole.

What actuator type does it use?

Lever.

What mounting type is supported?

Panel mount.

What approvals does it have?

CCC, CSA, UL.

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