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Slot-type industrial switches

Slot-type industrial switches are sensors that detect the presence or movement of objects by using a slot through which a target passes, available in reed-based and optoelectronic designs.Overview

Slot-type switches, also known as slotted or photomicrosensors, are industrial devices designed to detect objects, positions, or interruptions in a mechanical or automated system. They typically consist of an emitter and a receiver arranged in a U-shaped slot, allowing a target object, such as a steel flag or moving part, to pass through and trigger the switch .

Types
  1. Reed-Based Slot Switches
    • Use a reed sensor that is activated by a steel flag passing through the slot.
    • Do not require an external magnet for actuation.
    • Offer high switching performance and customizable cable lengths.
    • Commonly used in construction machinery, elevators, and lifting platforms .
  2. Optoelectronic Slot Switches
    • Use light-based detection, where an emitter sends a beam to a receiver across the slot.
    • Detect interruptions when an object passes through the slot.
    • Can include built-in amplifiers, connectors, and protective circuits for reliable operation.
    • Suitable for position sensing, object detection, and automation systems .
Features
  • U-shaped design for easy handling and installation.
  • Direct mounting on metal is possible for some models.
  • Compact and slim form factors, often with M3 screw mounting.
  • High resistance to light interference and noise in optoelectronic versions.
  • Customizable contact combinations and cable lengths for flexible integration .
Applications
  • Industrial automation and machinery monitoring.
  • Elevator and lifting platform controls.
  • Object detection in conveyor systems.
  • Position sensing in assembly lines and robotics.
  • Custom solutions in special machines requiring precise switching .
Advantages
  • Reliable and cost-effective for industrial environments.
  • Easy installation and maintenance due to compact design and built-in connectors.
  • Versatile for both mechanical and optical detection needs.
  • Can be customized for specific industrial requirements, including cable length, mounting, and switching capacity . Slot-type industrial switches provide a precise, flexible, and durable solution for detecting objects or positions in a wide range of industrial applications, making them essential components in automation and control systems.
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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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