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MD1-B-34-450-3-A37-B-D The Littelfuse Inc. MD1-B-34-450-3-A37-B-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 5A current rating and a 250V voltage rating.
Mfr Part #:

MD1-B-34-450-3-A37-B-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MD1-B-34-450-3-A37-B-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 5A current rating and a 250V voltage rating.
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MD1-B-34-450-3-A37-B-D 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-34-450-3-A37-B-D Description

Short technical summary and product information.

This Littelfuse Inc. MD1-B-34-450-3-A37-B-D is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic hydraulic delay mechanism, providing reliable circuit protection.

 

The breaker has a current rating of 5A and a voltage rating of 250V. It features a rocker actuator and does not include illumination. The device is RoHS3 compliant, has an MSL of 1, and is REACH unaffected.

 

Key specifications include a 5A current rating and a 250V voltage rating, making it suitable for various applications requiring overcurrent protection. Its panel mount design facilitates easy integration into control panels and equipment.

MD1-B-34-450-3-A37-B-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MD1-B-34-450-3-A37-B-D Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic Hydraulic Delay Circuit Breaker

MD1-B-34-450-3-A37-B-D Compliance

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

MD1-B-34-450-3-A37-B-D Features

  • 5A current rating for circuit protection.
  • 250V voltage rating for electrical systems.
  • Panel mount design for easy installation.
  • Magnetic hydraulic delay mechanism.
  • Single-pole configuration.

MD1-B-34-450-3-A37-B-D Applications

  • Overcurrent protection for industrial control panels.
  • Power distribution in telecommunications equipment.
  • Motor protection in commercial HVAC systems.
  • Branch circuit protection in electrical enclosures.

MD1-B-34-450-3-A37-B-D 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?

5A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What type of actuator does this circuit breaker have?

Rocker actuator.

What is the mounting type?

Panel mount.

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