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MF1-B-12-230-1-DF4-B-D The Littelfuse MF1-B-12-230-1-DF4-B-D is a 1-pole magnetic circuit breaker rated for 300mA and 250V. It features a panel mount design and a rocker actuator.
Mfr Part #:

MF1-B-12-230-1-DF4-B-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse MF1-B-12-230-1-DF4-B-D is a 1-pole magnetic circuit breaker rated for 300mA and 250V. It features a panel mount design and a rocker actuator.
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MF1-B-12-230-1-DF4-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
Mounting Type
Number of Poles
Voltage Rating
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MF1-B-12-230-1-DF4-B-D Description

Short technical summary and product information.

This Littelfuse MF1-B-12-230-1-DF4-B-D is a single-pole circuit breaker designed for reliable circuit protection. It utilizes a magnetic (hydraulic delay) mechanism for its tripping action, suitable for various applications requiring precise current interruption.

 

The breaker has a current rating of 300mA and a voltage rating of 250V, making it appropriate for low to medium power circuits. It is designed for panel mounting, ensuring secure installation in control panels and equipment. The actuator type is a rocker, providing a familiar and easy-to-use interface.

 

Key specifications include its 1-pole configuration and a red illumination feature. The unit is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1. Approval agencies include CCC, CSA, UL, and VDE, indicating broad compliance with safety standards.

MF1-B-12-230-1-DF4-B-D Quick Information

Product Type: Circuit Breaker
Series: MF1
Canonical Name: Littelfuse Inc. MF1-B-12-230-1-DF4-B-D Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

MF1-B-12-230-1-DF4-B-D Compliance

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

MF1-B-12-230-1-DF4-B-D Features

  • 300mA current rating for protection.
  • 250V voltage rating for circuits.
  • Panel mount design for installation.
  • Magnetic (hydraulic delay) breaker type.
  • Rocker actuator with red illumination.

MF1-B-12-230-1-DF4-B-D Applications

  • Protects electrical circuits from overload.
  • Suitable for panel-mounted systems.
  • Used in equipment requiring specific tripping.
  • Offers reliable circuit interruption.

MF1-B-12-230-1-DF4-B-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MF1-B-12-230-1-DF4-B-D?

300mA.

What is the voltage rating of the MF1-B-12-230-1-DF4-B-D?

250V.

What type of circuit breaker is the MF1-B-12-230-1-DF4-B-D?

Magnetic (hydraulic delay).

How many poles does the MF1-B-12-230-1-DF4-B-D have?

1 pole.

What actuator type is used on the MF1-B-12-230-1-DF4-B-D?

Rocker.

Does the MF1-B-12-230-1-DF4-B-D have illumination?

Yes, red illumination.

What approval agencies are listed for the MF1-B-12-230-1-DF4-B-D?

CCC, CSA, UL, VDE.

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