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MD1-B-34-620-3-A37-B-E The Littelfuse Inc. MD1-B-34-620-3-A37-B-E is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 20A and 250V. It features a panel mount design and a rocker actuator.
Mfr Part #:

MD1-B-34-620-3-A37-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MD1-B-34-620-3-A37-B-E is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 20A and 250V. It features a panel mount design and a rocker actuator.
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MD1-B-34-620-3-A37-B-E 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-34-620-3-A37-B-E Description

Short technical summary and product information.

This Littelfuse Inc. MD1-B-34-620-3-A37-B-E is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic (hydraulic delay) mechanism for overcurrent protection.

 

The breaker has a current rating of 20A and a voltage rating of 250V. The actuator type is a rocker, and it does not feature illumination. It is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1.

 

Key electrical specifications include a 20A current rating and a 250V voltage rating. The breaker type is magnetic with a hydraulic delay, and it has one pole. The mounting type is panel mount, making it suitable for integration into various electrical enclosures and control panels.

 

This component is approved by multiple agencies including CCC, CSA, TUV, and UL, indicating its suitability for a wide range of applications requiring robust safety and performance standards.

MD1-B-34-620-3-A37-B-E Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MD1-B-34-620-3-A37-B-E Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

MD1-B-34-620-3-A37-B-E Compliance

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

MD1-B-34-620-3-A37-B-E Features

  • 20A current rating for power distribution.
  • 250V voltage rating for AC/DC applications.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount design for easy integration.
  • Rocker actuator for manual operation.

MD1-B-34-620-3-A37-B-E Applications

  • Used in control panel assemblies.
  • Suitable for power distribution units.
  • Applicable in industrial equipment.
  • Can be used in commercial systems.

MD1-B-34-620-3-A37-B-E 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?

20A.

How many poles does this circuit breaker have?

1 pole.

What type of actuator does it have?

Rocker actuator.

What type of breaker mechanism is used?

Magnetic hydraulic delay.

What is the mounting type for this circuit breaker?

Panel mount.

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