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AA1-B0-22-420-1B1-C The AA1-B0-22-420-1B1-C is a 2A, 277V, 1-pole magnetic hydraulic delay circuit breaker from Littelfuse. It features a lever actuator and panel mount design.
Mfr Part #:

AA1-B0-22-420-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The AA1-B0-22-420-1B1-C is a 2A, 277V, 1-pole magnetic hydraulic delay circuit breaker from Littelfuse. It features a lever actuator and panel mount design.
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AA1-B0-22-420-1B1-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-B0-22-420-1B1-C Description

Short technical summary and product information.

The AA1-B0-22-420-1B1-C is a single-pole magnetic hydraulic delay circuit breaker from Littelfuse. It is rated for 2A continuous current at 277V AC. The breaker utilizes a magnetic (hydraulic delay) mechanism for reliable overcurrent protection. It is equipped with a lever actuator for manual tripping and reset. The circuit breaker is designed for panel mount installation. It holds approvals from CCC, CSA, and UL, indicating compliance with international safety standards.

AA1-B0-22-420-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-22-420-1B1-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic Circuit Breaker

AA1-B0-22-420-1B1-C Compliance

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

AA1-B0-22-420-1B1-C Features

  • 2A rated current at 277V AC.
  • Single-pole magnetic hydraulic delay design.
  • Lever actuator for manual operation.
  • Panel mount installation type.
  • Approved by CCC, CSA, and UL.

AA1-B0-22-420-1B1-C Applications

  • Suitable for panel mount circuit protection.
  • Used in industrial control power distribution.
  • Ideal for branch circuit overcurrent protection.
  • Designed for lighting and HVAC systems.

AA1-B0-22-420-1B1-C FAQs

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

2A.

What is the voltage rating of this circuit breaker?

277V.

What type of breaker is the AA1-B0-22-420-1B1-C?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What actuator type does this circuit breaker use?

Lever.

What approvals does this circuit breaker hold?

CCC, CSA, UL.

What is the mounting type for this circuit breaker?

Panel Mount.

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The Littelfuse Inc. AA1-B0-52-420-1D2-C is a 1-pole circuit breaker designed for panel mounting. It features a lever actuator and a hydraulic delay mechanism.
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