Wired Magnetic Door Contact Sensor (MC-38 Reed Switch)

The wired MC-38 magnetic door contact is designed for reliable monitoring of the state of doors, windows, furniture panels and other opening elements. The device consists of two compact modules in a white plastic housing: a reed switch with leads for integration into the circuit, and a permanent magnet. Operation is based on changing the state of the contacts when the magnet moves closer or farther away. The sensor is widely used in security alarm systems, access control and automation based on microcontrollers. Features: Product type: wired magnetic contact detector / position sensor (Magnetic Door Contact / MC-38) Specifications: white plastic housing with mounting lugs, reed switch with two-core wire, matching magnetic part, set of mounting screws Purpose: monitoring the opening and closing of doors, windows, hatches, safes, and perimeter protection in security systems and DIY projects