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MF1-B-30-612-3-JC2-7-C Littelfuse MF1-B-30-612-3-JC2-7-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 12A at 250V with a green illuminated rocker actuator for panel mount applications.
Mfr Part #:

MF1-B-30-612-3-JC2-7-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MF1-B-30-612-3-JC2-7-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 12A at 250V with a green illuminated rocker actuator for panel mount applications.
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MF1-B-30-612-3-JC2-7-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-30-612-3-JC2-7-C Description

Short technical summary and product information.

The Littelfuse MF1-B-30-612-3-JC2-7-C is a single-pole magnetic (hydraulic delay) circuit breaker designed for overcurrent protection in industrial and commercial electrical systems. It is rated for 12A continuous current at 250V and features a rocker actuator with green illumination (9-16V nominal).

 

This circuit breaker uses a magnetic hydraulic delay mechanism, providing precise time-current characteristics to handle inrush currents while protecting against sustained overloads and short circuits. The panel mount design allows for easy installation in control panels, power distribution units, and equipment enclosures.

 

The breaker is approved by CCC, CSA, and UL1077, ensuring compliance with international safety standards. The green illumination provides clear visual status indication when the breaker is in the on position.

MF1-B-30-612-3-JC2-7-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse MF1-B Series 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker, 12A, 250V, Rocker Actuator, Green Illumination
Subcategory: Magnetic Circuit Breaker

MF1-B-30-612-3-JC2-7-C Compliance

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

MF1-B-30-612-3-JC2-7-C Features

  • 1-pole magnetic hydraulic delay circuit breaker.
  • Rated for 12A continuous current at 250V.
  • Green illuminated rocker actuator for visual indication.
  • Panel mount installation for compact systems.
  • Approved to CCC, CSA, and UL1077 standards.

MF1-B-30-612-3-JC2-7-C Applications

  • Ideal for overcurrent protection in power supplies.
  • Suitable for industrial control panels and equipment.
  • Used in commercial building electrical distribution.
  • Protects motors, transformers, and other loads.
  • Works in applications requiring time-delay tripping.

MF1-B-30-612-3-JC2-7-C FAQs

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

12A.

What is the voltage rating of this circuit breaker?

250V.

How many poles does this circuit breaker have?

1 pole.

What type of circuit breaker is this?

Magnetic (hydraulic delay).

What is the actuator type?

Rocker.

Is the circuit breaker illuminated?

Yes, green illumination.

What is the mounting type for this circuit breaker?

Panel mount.

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