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AF1-B0-22-420-1F4-D The Littelfuse Inc. AF1-B0-22-420-1F4-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 2A current rating and a 250V voltage rating.
Mfr Part #:

AF1-B0-22-420-1F4-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AF1-B0-22-420-1F4-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 2A current rating and a 250V voltage rating.
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AF1-B0-22-420-1F4-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
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AF1-B0-22-420-1F4-D Description

Short technical summary and product information.

This Littelfuse Inc. AF1-B0-22-420-1F4-D is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic hydraulic delay mechanism, providing reliable protection.

 

The breaker has a current rating of 2 Amperes and a voltage rating of 250 Volts. It features a rocker actuator and does not include illumination. Approval agencies include CCC, CSA, UL, and VDE.

 

Key specifications include a 2A current rating and a 250V voltage rating. The mounting type is panel mount, and the breaker type is magnetic (hydraulic delay). It is RoHS3 compliant and has an MSL of 1.

AF1-B0-22-420-1F4-D Quick Information

Product Type: Circuit Breaker
Series: AF1
Canonical Name: Littelfuse Inc. AF1-B0-22-420-1F4-D Circuit Breaker
Subcategory: Circuit Breaker

AF1-B0-22-420-1F4-D Compliance

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

AF1-B0-22-420-1F4-D Features

  • Rated for 2A continuous current at 250V.
  • Single pole magnetic hydraulic delay breaker.
  • Panel mount with rocker actuator.
  • Non-illuminated design.
  • Littelfuse brand reliability.

AF1-B0-22-420-1F4-D Applications

  • Used for overcurrent protection in control panels.
  • Suitable for motor and transformer circuits.
  • Ideal for industrial equipment requiring time-delay trip.
  • Panel mount integration in electrical enclosures.

AF1-B0-22-420-1F4-D FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AF1-B0-22-420-1F4-D circuit breaker?

The current rating is 2A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

How is the AF1-B0-22-420-1F4-D circuit breaker mounted?

It is a panel mount type.

What type of delay does this circuit breaker use?

It uses a magnetic (hydraulic delay) mechanism.

Is the AF1-B0-22-420-1F4-D RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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