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AA1-B2-12-420-2D1-C Single pole magnetic hydraulic delay circuit breaker rated 2A at 277V. Panel mount with lever actuator.
Mfr Part #:

AA1-B2-12-420-2D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single pole magnetic hydraulic delay circuit breaker rated 2A at 277V. Panel mount with lever actuator.
Stock on Request

AA1-B2-12-420-2D1-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-B2-12-420-2D1-C Description

Short technical summary and product information.

The Littelfuse AA1-B2-12-420-2D1-C is a single pole magnetic hydraulic delay circuit breaker. It is rated for 2A continuous current at 277V AC. The breaker utilizes a magnetic hydraulic delay mechanism for reliable overcurrent protection.

 

The circuit breaker features a lever actuator for manual operation and is designed for panel mount installation. It is non-illuminated. The product is approved by CCC, CSA, and UL.

 

This breaker is suitable for applications requiring precise trip characteristics and high reliability. The magnetic hydraulic delay provides time-delayed tripping for handling inrush currents without nuisance trips.

AA1-B2-12-420-2D1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: AA1-B2-12-420-2D1-C Circuit Breaker
Subcategory: Magnetic Hydraulic Delay Circuit Breakers

AA1-B2-12-420-2D1-C Compliance

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

AA1-B2-12-420-2D1-C Features

  • Magnetic hydraulic delay trip mechanism.
  • Rated for 2A at 277V AC.
  • Single pole design for 1-phase circuits.
  • Panel mount with lever actuator.
  • Approved by UL, CSA, and CCC.

AA1-B2-12-420-2D1-C Applications

  • Ideal for industrial control panels.
  • Used in HVAC equipment protection.
  • Suitable for lighting branch circuits.
  • Protects motors and transformers.

AA1-B2-12-420-2D1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B2-12-420-2D1-C circuit breaker?

2A.

What is the voltage rating?

277V.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this breaker have?

1 pole.

What actuator type is used?

Lever actuator.

What mounting type is supported?

Panel mount.

What approvals does this breaker have?

CCC, CSA, UL.

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