AA1-B0-22-440-1D2-D Single-pole magnetic (hydraulic delay) circuit breaker rated 4A at 250V with lever actuator for panel mount applications.
Mfr Part #:

AA1-B0-22-440-1D2-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single-pole magnetic (hydraulic delay) circuit breaker rated 4A at 250V with lever actuator for panel mount applications.
Stock on Request

AA1-B0-22-440-1D2-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-B0-22-440-1D2-D Description

Short technical summary and product information.

The Littelfuse AA1-B0-22-440-1D2-D is a magnetic hydraulic delay circuit breaker designed for overcurrent protection. It is rated for 4A at 250V and features a single-pole configuration. The breaker uses a hydraulic delay mechanism to provide stable trip characteristics over a wide temperature range, making it suitable for applications where nuisance tripping must be minimized.

 

The circuit breaker is panel mounted with a lever actuator for manual reset. It has a compact design ideal for industrial control panels, power distribution systems, and machinery. The RoHS3 compliant construction ensures environmental regulatory compliance. The breaker is unilluminated and operates without additional illumination components.

AA1-B0-22-440-1D2-D Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-22-440-1D2-D Magnetic (Hydraulic Delay) Circuit Breaker, 4A, 250V, 1 Pole, Panel Mount, Lever Actuator
Subcategory: Magnetic Circuit Breaker

AA1-B0-22-440-1D2-D Compliance

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

AA1-B0-22-440-1D2-D Features

  • Magnetic hydraulic delay trip mechanism for protection.
  • Rated for 4A at 250V AC/DC.
  • Single-pole configuration for simple overcurrent protection.
  • Panel mount with lever actuator for manual reset.
  • RoHS3 compliant for environmental regulations.

AA1-B0-22-440-1D2-D Applications

  • Used in industrial control panels and equipment.
  • Protects circuits from overloads and short circuits.
  • Suitable for power distribution systems.
  • Ideal for machinery and motor control circuits.

AA1-B0-22-440-1D2-D FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-22-440-1D2-D?

4A.

What is the voltage rating of the AA1-B0-22-440-1D2-D?

250V.

What type of circuit breaker is the AA1-B0-22-440-1D2-D?

Magnetic (Hydraulic Delay).

How many poles does the AA1-B0-22-440-1D2-D have?

1 pole.

What is the mounting type of the AA1-B0-22-440-1D2-D?

Panel mount.

What is the actuator type of the AA1-B0-22-440-1D2-D?

Lever.

AA1-B0-22-440-1D2-D Alternate Parts

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MN1-B-32-440-1-2AA-B-D
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The Littelfuse MN1-B-32-440-1-2AA-B-D is a 1-pole magnetic hydraulic-delay circuit breaker rated for 4A at 250VAC. It features a panel mount design with a lever actuator.
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BA1-B0-34-440-111-D
BA1-B0-34-440-111-D
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The Littelfuse Inc. BA1-B0-34-440-111-D is a panel mount circuit breaker. It features a 4A current rating and a 250V voltage rating.
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BA1-B0-22-440-122-D
BA1-B0-22-440-122-D
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The Littelfuse Inc. BA1-B0-22-440-122-D is a circuit breaker designed for panel mounting. It features a 4A current rating and a 250V voltage rating.
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AA1-B0-22-440-122-D
AA1-B0-22-440-122-D
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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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