AA1-B0-34-620-1G2-C AA1-B0-34-620-1G2-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated 20A at 277V, with lever actuator and panel mount.
Mfr Part #:

AA1-B0-34-620-1G2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
AA1-B0-34-620-1G2-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated 20A at 277V, with lever actuator and panel mount.
Stock on Request

AA1-B0-34-620-1G2-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-B0-34-620-1G2-C Description

Short technical summary and product information.

The AA1-B0-34-620-1G2-C is a single-pole magnetic circuit breaker featuring a hydraulic delay mechanism from Littelfuse. It is rated for 20A continuous current at 277V AC. The magnetic hydraulic delay design provides reliable overcurrent protection with a time-delay characteristic that allows for harmless temporary surges while tripping quickly on high fault currents.

 

This circuit breaker uses a lever actuator for manual on/off control and is designed for panel mount installation. It is non-illuminated. The breaker is approved by CCC, CSA, and UL, indicating compliance with international safety standards.

 

Ideal for applications requiring dependable circuit protection in industrial, commercial, and residential equipment, the AA1-B0-34-620-1G2-C offers a compact 1-pole form factor suitable for 277V AC systems.

AA1-B0-34-620-1G2-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: AA1-B0-34-620-1G2-C Circuit Breaker, Magnetic (Hydraulic Delay), 20A, 277V, 1 Pole, Panel Mount, Lever Actuator
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

AA1-B0-34-620-1G2-C Compliance

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

AA1-B0-34-620-1G2-C Features

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

AA1-B0-34-620-1G2-C Applications

  • Provides overcurrent protection for 277V lighting circuits.
  • Used in industrial control panels and power distribution.
  • Suitable for commercial building electrical systems.
  • Ideal for motor protection with hydraulic delay.

AA1-B0-34-620-1G2-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B0-34-620-1G2-C?

277V AC.

What is the current rating?

20A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this breaker have?

1 pole.

What is the mounting type?

Panel mount.

What type of actuator does it have?

Lever actuator.

What approvals does this circuit breaker have?

CCC, CSA, UL.

AA1-B0-34-620-1G2-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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The Littelfuse Inc. AA1-B0-32-620-1D2-C is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism and a 20A current rating.
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AA1-B0-24-620-3G1-C
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The Littelfuse Inc. AA1-B0-24-620-3G1-C is a 1-pole magnetic circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
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The Littelfuse Inc. AA1-B0-24-620-2B2-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design with a lever actuator.
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