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AA1-B2-12-410-1D2-C The Littelfuse AA1-B2-12-410-1D2-C is a 1-pole magnetic circuit breaker rated for 1A at 277V. It features a hydraulic delay mechanism, lever actuator, and panel mount design.
Mfr Part #:

AA1-B2-12-410-1D2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse AA1-B2-12-410-1D2-C is a 1-pole magnetic circuit breaker rated for 1A at 277V. It features a hydraulic delay mechanism, lever actuator, and panel mount design.
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AA1-B2-12-410-1D2-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-B2-12-410-1D2-C Description

Short technical summary and product information.

The Littelfuse AA1-B2-12-410-1D2-C is a 1-pole magnetic circuit breaker with hydraulic delay, designed for overcurrent protection. It is rated for 1A continuous current at 277V AC/DC.

 

The breaker uses a magnetic hydraulic delay mechanism to provide time-delayed tripping, accommodating inrush currents while protecting against sustained overloads. It features a lever actuator for manual reset and is not illuminated. The breaker is approved by CCC, CSA, and UL.

 

This circuit breaker is designed for panel mount installation, making it suitable for industrial control panels, power distribution equipment, and lighting systems. Compliance data (RoHS, MSL, REACH) is unverified and should be confirmed with the manufacturer.

AA1-B2-12-410-1D2-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse AA1-B2-12-410-1D2-C Magnetic Circuit Breaker, 1A, 277V, 1 Pole, Panel Mount
Subcategory: Magnetic Circuit Breaker

AA1-B2-12-410-1D2-C Compliance

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

AA1-B2-12-410-1D2-C Features

  • Rated for 1A continuous current at 277V.
  • Magnetic hydraulic delay overcurrent protection.
  • Single-pole design with lever actuator.
  • Panel mount installation for control panels.
  • Approved by CCC, CSA, and UL agencies.

AA1-B2-12-410-1D2-C Applications

  • Protects circuits in industrial control panels.
  • Suitable for power distribution equipment.
  • Used in lighting and HVAC systems.
  • Ideal for 277V lighting branch circuits.
  • Provides reliable overcurrent protection in machinery.

AA1-B2-12-410-1D2-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B2-12-410-1D2-C?

277V.

What is the current rating?

1A.

How many poles does this circuit breaker have?

1 pole.

What type of breaker is this?

Magnetic (Hydraulic Delay).

What is the mounting type?

Panel mount.

What actuator type does it have?

Lever.

What approvals does this breaker have?

CCC, CSA, UL.

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