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MD1-B-30-612-3-A12-B-C The Littelfuse Inc. MD1-B-30-612-3-A12-B-C is a single-pole magnetic circuit breaker designed for panel mounting. It features a 12A current rating and a 250V voltage rating.
Mfr Part #:

MD1-B-30-612-3-A12-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MD1-B-30-612-3-A12-B-C is a single-pole magnetic circuit breaker designed for panel mounting. It features a 12A current rating and a 250V voltage rating.
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MD1-B-30-612-3-A12-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
Mounting Type
Number of Poles
Voltage Rating
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MD1-B-30-612-3-A12-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MD1-B-30-612-3-A12-B-C is a magnetic circuit breaker with a hydraulic delay mechanism, suitable for various protection applications. It is designed for panel mounting and features a rocker actuator.

 

The breaker has a current rating of 12A and a voltage rating of 250V. It is a single-pole unit, simplifying integration into many electrical systems. The device is specified as RoHS3 Compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited, indicating it is suitable for standard handling and assembly processes.

 

Key electrical characteristics include its 12A current capacity and 250V voltage limit. The magnetic hydraulic delay type offers specific trip curve characteristics useful in applications requiring controlled overcurrent protection. Its panel mount design ensures straightforward installation in enclosures and control panels.

MD1-B-30-612-3-A12-B-C Quick Information

Product Type: Circuit Breaker
Series: MD1
Canonical Name: Littelfuse Inc. MD1-B-30-612-3-A12-B-C Magnetic Circuit Breaker
Subcategory: Circuit Breakers

MD1-B-30-612-3-A12-B-C Compliance

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

MD1-B-30-612-3-A12-B-C Features

  • 12A current rating for protection.
  • 250V voltage rating for circuits.
  • Panel mount design for easy installation.
  • Magnetic hydraulic delay type.
  • Single pole configuration.

MD1-B-30-612-3-A12-B-C Applications

  • Used in control panel assemblies.
  • Suitable for industrial equipment.
  • Protects electrical circuits.
  • General purpose circuit protection.

MD1-B-30-612-3-A12-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MD1-B-30-612-3-A12-B-C?

12A.

What is the voltage rating?

250V.

What type of circuit breaker is it?

Magnetic (hydraulic delay).

How many poles does it have?

1.

What is the actuator type?

Rocker.

Is the actuator illuminated?

No.

What is the mounting type?

Panel mount.

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Littelfuse MB1-B-34-612-1-A25-B-C is a magnetic hydraulic delay circuit breaker with 12A current rating and 250V voltage rating. It features a single pole, panel mount design with a rocker actuator and is non-illuminated.
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