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MD1-B-34-620-2-A37-B-C The Littelfuse Inc. MD1-B-34-620-2-A37-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 250V voltage rating.
Mfr Part #:

MD1-B-34-620-2-A37-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MD1-B-34-620-2-A37-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 250V voltage rating.
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MD1-B-34-620-2-A37-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
SVHC Present
Voltage Rating
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MD1-B-34-620-2-A37-B-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number MD1-B-34-620-2-A37-B-C, is designed for panel mounting. It operates with a 20A current rating and a 250V voltage rating, utilizing a magnetic hydraulic delay mechanism for protection.

 

The breaker type is magnetic (hydraulic delay), and it has a single pole configuration. The actuator type is a rocker, with no illumination. It is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1.

 

Approval agencies include CCC, CSA, and UL1077, indicating its suitability for various applications requiring robust circuit protection. The REACH status is unaffected.

 

This component is suitable for applications requiring reliable overcurrent protection with specific trip characteristics provided by its hydraulic delay feature.

MD1-B-34-620-2-A37-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MD1-B-34-620-2-A37-B-C Magnetic (Hydraulic Delay) Circuit Breaker

MD1-B-34-620-2-A37-B-C Compliance

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

MD1-B-34-620-2-A37-B-C Features

  • 20A current rating for protection.
  • 250V voltage rating for power systems.
  • Magnetic hydraulic delay breaker type.
  • Panel mount for easy installation.
  • Rocker actuator with no illumination.

MD1-B-34-620-2-A37-B-C Applications

  • Suitable for general circuit protection.
  • Used in systems requiring specific trip curves.
  • Ideal for panel-mounted applications.
  • Compliant with safety agency standards.

MD1-B-34-620-2-A37-B-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the MD1-B-34-620-2-A37-B-C circuit breaker?

The current rating is 20A.

What is the voltage rating for this Littelfuse Inc. circuit breaker?

The voltage rating is 250V.

What type of breaker mechanism does the MD1-B-34-620-2-A37-B-C use?

It uses a Magnetic (Hydraulic Delay) mechanism.

How is this circuit breaker mounted?

It is designed for Panel Mount.

Is the MD1-B-34-620-2-A37-B-C 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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