AA1-B0-12-440-1C2-P The Littelfuse Inc. AA1-B0-12-440-1C2-P is a 1-pole circuit breaker with a 4A current rating and 277V voltage rating. It features a magnetic hydraulic delay mechanism and panel mount type.
Mfr Part #:

AA1-B0-12-440-1C2-P

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-12-440-1C2-P is a 1-pole circuit breaker with a 4A current rating and 277V voltage rating. It features a magnetic hydraulic delay mechanism and panel mount type.
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AA1-B0-12-440-1C2-P 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

AA1-B0-12-440-1C2-P Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-12-440-1C2-P, is designed for circuit protection applications. It operates with a current rating of 4A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, suitable for applications requiring specific trip characteristics. It features a single pole and a lever actuator for operation. The mounting type is panel mount, allowing for easy integration into control panels and enclosures.

 

This component is approved by CCC, CSA, TUV, and UL agencies, indicating compliance with various safety and performance standards. It does not feature illumination and is designed for environments where visual indication is not required.

 

The RoHS status is RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is 1 Unlimited. REACH status is unaffected.

AA1-B0-12-440-1C2-P Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-12-440-1C2-P Magnetic Hydraulic Delay Circuit Breaker

AA1-B0-12-440-1C2-P Compliance

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

AA1-B0-12-440-1C2-P Features

  • 4A current rating for protection.
  • 277V voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Single pole, lever actuator.
  • Panel mount design.

AA1-B0-12-440-1C2-P Applications

  • Used in electrical control panels.
  • Suitable for industrial equipment.
  • Protects sensitive circuits.
  • Integrates into enclosure systems.

AA1-B0-12-440-1C2-P FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B0-12-440-1C2-P?

277V.

What is the mounting type of the AA1-B0-12-440-1C2-P?

Panel Mount.

What is the current rating of the AA1-B0-12-440-1C2-P?

4A.

How many poles does the AA1-B0-12-440-1C2-P have?

1.

What type of breaker is the AA1-B0-12-440-1C2-P?

Magnetic (Hydraulic Delay).

What approvals does the AA1-B0-12-440-1C2-P have?

CCC, CSA, TUV, UL.

AA1-B0-12-440-1C2-P Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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AA1-B0-14-440-Q22-E
AA1-B0-14-440-Q22-E
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-14-440-Q22-E is a 1-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) tripping mechanism.
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