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MF1-B-34-440-3-FB4-B-C The Littelfuse Inc. MF1-B-34-440-3-FB4-B-C is a magnetic hydraulic delay circuit breaker. It features a 4A current rating and 250V voltage rating.
Mfr Part #:

MF1-B-34-440-3-FB4-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MF1-B-34-440-3-FB4-B-C is a magnetic hydraulic delay circuit breaker. It features a 4A current rating and 250V voltage rating.
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MF1-B-34-440-3-FB4-B-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
Illumination Voltage (Nominal)
Mounting Type
Number of Poles
Voltage Rating
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MF1-B-34-440-3-FB4-B-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number MF1-B-34-440-3-FB4-B-C, is designed for circuit protection applications. It operates with a 4A current rating and a voltage rating of 250V.

 

The breaker type is magnetic with a hydraulic delay, and it features a single pole configuration. The actuator type is a rocker, and it includes red illumination powered by a nominal voltage of 9-16V. This unit is designed for panel mounting.

 

Compliance is indicated by approval agencies including CCC, CSA, and UL1077. The RoHS status is RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is 1 Unlimited. REACH status is listed as REACH Unaffected. This component is suitable for various industrial and commercial applications requiring reliable circuit interruption.

MF1-B-34-440-3-FB4-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MF1-B-34-440-3-FB4-B-C Circuit Breaker

MF1-B-34-440-3-FB4-B-C Compliance

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

MF1-B-34-440-3-FB4-B-C Features

  • 4A current rating for circuit protection.
  • 250V voltage rating for versatile use.
  • Magnetic breaker with hydraulic delay.
  • Panel mount design for easy installation.
  • Rocker actuator with red illumination.

MF1-B-34-440-3-FB4-B-C Applications

  • Ideal for industrial control panels.
  • Suitable for power distribution units.
  • Used in equipment requiring protection.
  • Applicable in systems with 250V rating.

MF1-B-34-440-3-FB4-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MF1-B-34-440-3-FB4-B-C circuit breaker?

The current rating is 4A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

What type of breaker is the MF1-B-34-440-3-FB4-B-C?

It is a magnetic breaker with a hydraulic delay.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What is the mounting type for this component?

The mounting type is Panel Mount.

Does this circuit breaker have illumination?

Yes, it has red illumination.

What is the RoHS status of this part?

The RoHS status is RoHS3 Compliant.

MF1-B-34-440-3-FB4-B-C Alternate Parts

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MG1-B-34-440-1-FB3-B-C
MG1-B-34-440-1-FB3-B-C
Littelfuse Inc.
Littelfuse MG1-B-34-440-1-FB3-B-C is a 1-pole magnetic hydraulic delay circuit breaker rated for 4A at 250V. It features a red illuminated rocker actuator and panel mount installation.
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