MD1-B-12-420-1-A16-2-J The Littelfuse Inc. MD1-B-12-420-1-A16-2-J is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 2A current rating and a 250V voltage rating.
Mfr Part #:

MD1-B-12-420-1-A16-2-J

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MD1-B-12-420-1-A16-2-J is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 2A current rating and a 250V voltage rating.
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MD1-B-12-420-1-A16-2-J 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

MD1-B-12-420-1-A16-2-J Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number MD1-B-12-420-1-A16-2-J, is designed for panel mounting. It operates as a single-pole magnetic breaker with a hydraulic delay mechanism.

 

The breaker has an electrical rating of 2 Amps and a voltage rating of 250 Volts. It is approved by CCC, TUV, and UL489A agencies, indicating compliance with relevant safety standards.

 

Key features include a rocker actuator and no illumination. The RoHS status is RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is 1 Unlimited. The REACH status is REACH Unaffected.

 

This component is suitable for applications requiring reliable overcurrent protection in a panel-mounted configuration.

MD1-B-12-420-1-A16-2-J Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MD1-B-12-420-1-A16-2-J Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

MD1-B-12-420-1-A16-2-J Compliance

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

MD1-B-12-420-1-A16-2-J Features

  • Single-pole magnetic circuit breaker.
  • 2A current rating at 250V.
  • Panel mount with rocker actuator.
  • Approved by CCC, TUV, UL489A.
  • RoHS3 compliant and MSL 1.

MD1-B-12-420-1-A16-2-J Applications

  • Provides overcurrent protection.
  • Suitable for panel installations.
  • Used in industrial control systems.
  • Applicable in power distribution.
  • General purpose circuit protection.

MD1-B-12-420-1-A16-2-J FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MD1-B-12-420-1-A16-2-J circuit breaker?

The current rating is 2A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 250V.

What type of breaker is the MD1-B-12-420-1-A16-2-J?

It is a Magnetic (Hydraulic Delay) breaker.

How is the MD1-B-12-420-1-A16-2-J mounted?

It is designed for panel mounting.

What agencies have approved this circuit breaker?

It is approved by CCC, TUV, and UL489A.

Is this circuit breaker RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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