AA1-B0-22-440-122-D The Littelfuse Inc. AA1-B0-22-440-122-D is a single-pole, panel-mount circuit breaker. It features a magnetic (hydraulic delay) trip type and a 4A current rating.
Mfr Part #:

AA1-B0-22-440-122-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-22-440-122-D is a single-pole, panel-mount circuit breaker. It features a magnetic (hydraulic delay) trip type and a 4A current rating.
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AA1-B0-22-440-122-D 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-B0-22-440-122-D Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-22-440-122-D, is designed for circuit protection applications. It operates at a voltage rating of 250V and has a current rating of 4A.

 

The breaker features a magnetic (hydraulic delay) mechanism for reliable tripping and a lever actuator for manual operation. It is designed for panel mounting, making it suitable for integration into various electrical enclosures and systems.

 

With a single pole configuration, this circuit breaker is ideal for applications requiring basic overcurrent protection. Its construction and specifications align with industry standards for safety and performance in electrical distribution and control systems.

AA1-B0-22-440-122-D Quick Information

Product Type: Circuit Breaker
Series: AA1-B0
Canonical Name: Littelfuse Inc. AA1-B0-22-440-122-D Circuit Breaker
Subcategory: Circuit Breakers

AA1-B0-22-440-122-D Compliance

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

AA1-B0-22-440-122-D Features

  • 4A current rating for protection.
  • 250V voltage rating.
  • Magnetic (hydraulic delay) trip type.
  • Panel mount design.
  • Single pole configuration.

AA1-B0-22-440-122-D Applications

  • Ideal for overcurrent protection in industrial control panels.
  • Used in power distribution units and equipment.
  • Suitable for commercial electrical systems requiring manual reset.
  • Can be applied in circuit protection for motor circuits.

AA1-B0-22-440-122-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-22-440-122-D circuit breaker?

4A.

What is the voltage rating of the AA1-B0-22-440-122-D circuit breaker?

250V.

What type of circuit breaker is the AA1-B0-22-440-122-D?

Magnetic (Hydraulic Delay).

How many poles does the AA1-B0-22-440-122-D circuit breaker have?

1 pole.

What type of actuator does the AA1-B0-22-440-122-D circuit breaker use?

Lever actuator.

Does the AA1-B0-22-440-122-D circuit breaker have illumination?

No, it has no illumination.

What is the mounting type of the AA1-B0-22-440-122-D circuit breaker?

Panel mount.

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