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AA1-B0-12-420-1D2-C CIRCUIT BREAKER
Mfr Part #:

AA1-B0-12-420-1D2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
CIRCUIT BREAKER
Stock on Request

AA1-B0-12-420-1D2-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-B0-12-420-1D2-C Description

Short technical summary and product information.

The Littelfuse AA1-B0-12-420-1D2-C is a single-pole magnetic hydraulic ciucit beakr desgned for overcurrent otection in electrical systems. It is rated for 2A continuous current and 277V AC, making it suitable for branch circuit protecton in commercial and industrial applications.

 

The brake utilizes a magnetic hydraulic delay mechanism, providing precise time-current characteristics for reliable rip perfrmance. The lever actator allows for manual on/off control and reset operation.

 

Panel mount constuction simplifies installation into control panels and enclosures. The device holds CC, CSA, and UL approvals,ndicating compliance with relevant safey standards.

AA1-B0-12-420-1D2-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: AA1-B0-12-420-1D2-C Circuit Breaker, Magnetic (Hydraulic Delay), 1-Pole, 2A, 277V

AA1-B0-12-420-1D2-C Compliance

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

AA1-B0-12-420-1D2-C Features

  • Rated for 2A at 277V AC.
  • Single-pole magnetic hydraulic design.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, and UL.
  • Hydraulic delay for time-delay trip.

AA1-B0-12-420-1D2-C Applications

  • Overcurrent protection for lighting control circuits.
  • Suitable for industrial panel board applications.
  • Used in HVAC equipment power distribution.
  • Ideal for branch circuit protection in commercial buildings.

AA1-B0-12-420-1D2-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?

277V.

How many poles does thbreaker have?

1 pole.

What type of actuator does it use?

Lever actator.

What is the mounting style?

Panel mount.

Which approvals does this circuit breaker hold?

CCC, CSA, and UL.

What is the breaker technology?

Magnetic hydraulic delay.

AA1-B0-12-420-1D2-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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AA1-B2-12-420-2D1-C
AA1-B2-12-420-2D1-C
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Single pole magnetic hydraulic delay circuit breaker rated 2A at 277V. Panel mount with lever actuator.
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AA1-B2-12-420-2D2-C
AA1-B2-12-420-2D2-C
Littelfuse Inc.
2A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker with lever actuator. Panel mount. RoHS3 compliant.
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BA1-B3-22-420-3C2-C
BA1-B3-22-420-3C2-C
Littelfuse Inc.
The Littelfuse Inc. BA1-B3-22-420-3C2-C is a 1-pole circuit breaker designed for panel mounting. It features a 2A current rating and a 277V voltage rating.
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AA1-B0-34-420-1B2-C
AA1-B0-34-420-1B2-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-34-420-1B2-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism.
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