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MF1-B-34-430-1-BF4-B-D Littelfuse MF1-B-34-430-1-BF4-B-D is a magnetic (hydraulic delay) circuit breaker rated at 3A and 250V. It features a single pole, neon illumination at 250V, and panel mount design.
Mfr Part #:

MF1-B-34-430-1-BF4-B-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MF1-B-34-430-1-BF4-B-D is a magnetic (hydraulic delay) circuit breaker rated at 3A and 250V. It features a single pole, neon illumination at 250V, and panel mount design.
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MF1-B-34-430-1-BF4-B-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
Illumination Voltage (Nominal)
Mounting Type
Number of Poles
SVHC Present
Voltage Rating
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MF1-B-34-430-1-BF4-B-D Description

Short technical summary and product information.

This Littelfuse MF1-B-34-430-1-BF4-B-D is a magnetic (hydraulic delay) circuit breaker designed for overcurrent protection. It is rated for 3A continuous current and 250V. The single-pole design provides branch circuit protection. The neon illumination operates at 250V, offering visual trip indication. The hydraulic delay mechanism allows tolerance for temporary inrush currents without nuisance tripping. Mounting type is panel mount for easy installation. The component is approved by CCC, CSA, UL, and VDE. It is listed as RoHS3 compliant, with a moisture sensitivity level of 1 (unlimited), and is REACH unaffected. This circuit breaker is suitable for industrial control panels, power distribution equipment, and applications requiring reliable overcurrent protection with a visual indicator.

MF1-B-34-430-1-BF4-B-D Quick Information

Product Type: Circuit Breaker
Series: MF1
Canonical Name: Littelfuse MF1-B-34-430-1-BF4-B-D Magnetic Circuit Breaker
Subcategory: Magnetic Circuit Breaker

MF1-B-34-430-1-BF4-B-D Compliance

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

MF1-B-34-430-1-BF4-B-D Features

  • Rated 3A at 250V for overcurrent protection.
  • Single-pole magnetic hydraulic delay design.
  • Neon illumination at 250V for trip indication.
  • Panel mount for easy installation.
  • Approved by CCC, CSA, UL, and VDE.

MF1-B-34-430-1-BF4-B-D Applications

  • Used in industrial control panels for branch circuit protection.
  • Ideal for power distribution equipment.
  • Suitable for equipment requiring visual trip indication.
  • Applied in applications with inrush currents requiring time delay.

MF1-B-34-430-1-BF4-B-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of this circuit breaker?

3A

What is the voltage rating?

250V

What is the breaker type?

Magnetic (Hydraulic Delay)

How many poles does it have?

1

Does it have illumination?

Yes, neon illumination at 250V.

What approvals does it hold?

CCC, CSA, UL, VDE.

What is the mounting type?

Panel Mount.

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