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screw recessed magnetic contact door window contact sensor
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NO Type Neodymium magnet for wooden/aluminum doors. 100VDC tolerance. 15-25mm operating gap.High-reliability recessed magnetic contact sensor designed for door & window intrusion detection. Supports normally closed (NC) alarm circuits for security systems, burglar alarms, automation panels, and home/office access monitoring. Easy screw-type installation with flush-mount magnetic reed switch, ideal for concealed security applications.

Screw Recessed Door/Window Magnetic Contact

Category: Sensor Detector, Dry Inputs, PIR, Controller, Multifunction, Ultrasonic, Counter, Surface, Mini IO, Mag Reed

Model: OE-Mag3-WL

Total Price: $3.00

Stock Status: In Stock

The Screw Recessed Door/Window Magnetic Contact Sensor is a compact security switch used for monitoring access points like doors, windows, drawers, cabinets, and sliding panels. When the door or window is closed, the magnet aligns with the reed switch, keeping the circuit closed. If opened, the magnet separates and triggers an alarm or automation event, making it essential in intrusion detection and monitoring systems.

Designed for recessed installation using screw mounting, it fits seamlessly into frames without external visibility — providing a clean, covert installation suitable for homes, banks, offices, warehouses, data centers, and smart security automation setups.

Engineered for long-term stability with a high-sensitivity reed switch, it offers fast response, low power consumption, and reliable switching performance even in continuous use.


Key Features

  • Recessed screw-type magnetic contact
  • Ideal for door/window intrusion detection
  • Supports NC (Normally Closed) alarm circuits
  • Suitable for wired security systems
  • High-precision magnetic reed switch
  • Hidden flush-mount design for clean installation
  • Durable housing for long-term use
  • Compatible with alarm panels, automation controllers, security units

Applications

  • Home & commercial security systems
  • Smart automation & access monitoring
  • Door/Window open detection
  • Banks, safe rooms & restricted zones
  • Industrial & warehouse surveillance
  • Cabinets, drawers & lockers monitoring
  • Burglar & intrusion alarm installations

Technical Specifications

Specification Details
Switch Type Magnetic Reed Contact
Installation Type Screw Recessed / Flush Mount
Circuit Type NC (Normally Closed)
Operating Voltage 3V – 48V DC
Max Switching Current 100mA typical (varies by model)
Contact Rating Up to 10W (Resistive load)
Gap Distance 15–25mm (depending on surface material)
Magnet Type Permanent Magnet
Material ABS/Fire-retardant Plastic (Model-dependent)
Output Type Dry Contact/Passive Switch
Lead Wires Pre-attached insulated wires
Mounting Method Screw-mounted recessed installation
Operating Temp -10°C to +60°C
Use Case Door/Window Open Detection for Security Applications

Why Choose This Magnetic Contact Sensor?

  • Provides stealth, recessed installation without visible hardware
  • Works seamlessly with alarm systems & automation controllers
  • Highly reliable reed switch for stable contact reading
  • Durable, long-life operation with flawless triggering
  • Cost-effective and ideal for professional & residential setups