DistyParts Icon
MF1-B-34-440-1-BB3-B-C This is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse, rated at 4A and 250V. It features neon illumination and panel mount installation.
Mfr Part #:

MF1-B-34-440-1-BB3-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse, rated at 4A and 250V. It features neon illumination and panel mount installation.
Stock on Request

MF1-B-34-440-1-BB3-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
View Similar Products (0)

MF1-B-34-440-1-BB3-B-C Description

Short technical summary and product information.

This product is a 1-pole magnetic hydraulic delay circuit breaker from Littelfuse, part of the MF1 series. It is rated for 4A continuous current at 250V, suitable for branch circuit protection in industrial and commercial applications.

 

The breaker uses a magnetic hydraulic delay mechanism for precise overcurrent protection, with a single pole design for single-phase circuits. It includes neon illumination that operates at the nominal 250V voltage, providing visual status indication.

 

The unit is panel mount, allowing secure installation in control panels and enclosures. It is listed as RoHS3 compliant, REACH unaffected, and MSL level 1, with approvals from CCC, CSA, and UL1077.

MF1-B-34-440-1-BB3-B-C Quick Information

Product Type: Circuit Breaker
Series: MF1
Canonical Name: MF1-B-34-440-1-BB3-B-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic Circuit Breaker

MF1-B-34-440-1-BB3-B-C Compliance

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

MF1-B-34-440-1-BB3-B-C Features

  • Magnetic hydraulic delay overcurrent protection.
  • Rated for 4A at 250V operation.
  • Single-pole design for compact installation.
  • Neon illumination for status indication.
  • Panel mount with secure mounting.

MF1-B-34-440-1-BB3-B-C Applications

  • Overcurrent protection for industrial control panels.
  • Suitable for lighting and power distribution circuits.
  • Used in equipment requiring hydraulic-magnetic delay.
  • Panel mount breaker for electrical enclosures.
  • Ideal for applications needing visual trip indication.

MF1-B-34-440-1-BB3-B-C FAQs

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

250V

What is the current rating?

4A

What type of breaker is this?

Magnetic (Hydraulic Delay)

How many poles does it have?

1

What type of illumination is used?

Neon

What is the mounting type?

Panel Mount

MF1-B-34-440-1-BB3-B-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
MF1-B-30-440-1-BB1-B-C
MF1-B-30-440-1-BB1-B-C
Littelfuse Inc.
The Littelfuse Inc. MF1-B-30-440-1-BB1-B-C is a panel mount circuit breaker. It features a 4A current rating and a 250V voltage rating.
View Part
MF1-B-34-440-1-BB6-B-C
MF1-B-34-440-1-BB6-B-C
Littelfuse Inc.
The Littelfuse MF1-B-34-440-1-BB6-B-C is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism and a 4A current rating.
View Part
MF1-B-24-440-2-BB3-A-C
MF1-B-24-440-2-BB3-A-C
Littelfuse Inc.
The Littelfuse Inc. MF1-B-24-440-2-BB3-A-C is a magnetic hydraulic delay circuit breaker. It offers a 4A current rating and 250V voltage rating.
View Part
MF1-B-24-440-2-BB4-1-C
MF1-B-24-440-2-BB4-1-C
Littelfuse Inc.
The Littelfuse MF1-B-24-440-2-BB4-1-C is a magnetic (hydraulic delay) circuit breaker designed for panel mounting. It features a 4A current rating and a 250V voltage rating.
View Part
Home
Account

Categories