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AA1-B0-42-612-2D1-C This Littelfuse AA1-B0-42-612-2D1-C is a 12A, 277V single-pole magnetic circuit breaker with hydraulic delay. It features a lever actuator and panel mount design.
Mfr Part #:

AA1-B0-42-612-2D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This Littelfuse AA1-B0-42-612-2D1-C is a 12A, 277V single-pole magnetic circuit breaker with hydraulic delay. It features a lever actuator and panel mount design.
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AA1-B0-42-612-2D1-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
SVHC Present
Voltage Rating
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AA1-B0-42-612-2D1-C Description

Short technical summary and product information.

The AA1-B0-42-612-2D1-C is a single-pole magnetic circuit breaker from Littelfuse, featuring a hydraulic delay mechanism for reliable overcurrent protection. It is rated for 12A at 277V AC/DC, making it suitable for a variety of industrial and commercial applications. The breaker uses a lever actuator for manual reset and is designed for panel mount installation. It carries approvals from CCC, CSA, and UL, ensuring compliance with international safety standards. The non-illuminated design simplifies integration into existing control panels.

AA1-B0-42-612-2D1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: AA1-B0-42-612-2D1-C Magnetic Circuit Breaker, 12A, 277V, 1 Pole, Panel Mount
Subcategory: Magnetic Circuit Breaker

AA1-B0-42-612-2D1-C Compliance

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

AA1-B0-42-612-2D1-C Features

  • Rated for 12A continuous current operation.
  • 277V voltage rating for industrial circuits.
  • Single-pole magnetic hydraulic delay breaker.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, and UL.

AA1-B0-42-612-2D1-C Applications

  • Overcurrent protection in control panels.
  • Branch circuit protection in lighting systems.
  • Motor protection with hydraulic delay.
  • Industrial equipment power distribution.

AA1-B0-42-612-2D1-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?

12A.

How many poles does it have?

1 pole.

What type of breaker is it?

Magnetic (Hydraulic Delay).

What is the mounting type?

Panel mount.

What approvals does it have?

CCC, CSA, UL.

What is the actuator type?

Lever.

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AA1-B0-44-612-1D1-C
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The Littelfuse Inc. AA1-B0-44-612-1D1-C is a 1-pole circuit breaker designed for panel mounting. It features a 12A current rating and a 277V voltage rating.
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AA1-B0-46-612-1D1-C
AA1-B0-46-612-1D1-C
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The Littelfuse Inc. AA1-B0-46-612-1D1-C is a 1-pole magnetic circuit breaker. It features a 12A current rating and a 277V voltage rating.
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BA1-B0-56-612-1D2-C
BA1-B0-56-612-1D2-C
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The Littelfuse Inc. BA1-B0-56-612-1D2-C is a 12A, 277V circuit breaker. It features a panel mount design and magnetic hydraulic delay.
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