MC38 10pair Wired Door Window Sensor (Magnetic Switch, N.C. Type) A reliable, wired magnetic contact designed for door and window monitoring in home and commercial alarm systems. The MC38 delivers straightforward, dependable contact detection in a compact, easytoinstall format. Supplied as 10 pairs, it fits standard normallyclosed (N.C.) alarm inputs and is suitable for multiple entry points. Key benefits Reliable intrusion detection: Magnetic reed switch provides consistent contact monitoring for doors and windows when integrated into wired alarm panels. Pack of 10 pairs: Enough sensors for multiple doors and windows or for small installations and replacements. Compatible with N.C. alarm inputs: Designed for normallyclosed circuits common to many alarm control panels. Simple installation and wiring: Wired connection allows secure, tamperresistant integration into an existing wired alarm system. Versatile placement: Intended for use on doors, windows, cabinets, gates and other openings where magnetic contact monitoring is needed. Features and specifications Model: MC38 Quantity: 10 pair Type: Wired door/window magnetic sensor (magnetic switch) Contact type: N.C. (Normally Closed) Wire: 330mm Wire Lengthen Randomly Intended use: Home alarm system, wired security panels, door/window contact monitoring Compatibility and installation notes Designed to connect to alarm control panels or security systems that accept normallyclosed magnetic contacts. Typical installation uses one part mounted on the moving element (door or window) and the other part mounted on the frame so they align and open the circuit when separated. Wired connection allows for reliable signal transmission and centralized monitoring. Follow your alarm panel wiring diagram and local electrical codes when installing. Common use cases Home security: Monitor entry doors and groundfloor windows to trigger alarms if opened while the system is armed. Small business or office: Protect shopfronts, interior cabinets or storage rooms by connecting sensors to a wired alarm panel. Garage or outbuilding monitoring: Use paired sensors on garage doors, gates or external shed doors to detect unauthorized access. Package contents 10 pairs (sensor + magnet per pair), wired magnetic switch assemblies, model MC38 (as specified above). Note: This description reflects the product model and specifications as stated (MC38, 10pair, Wired Door Window Sensor, 330mm Wire Lengthen Randomly, Magnetic Switch, Home Alarm System, N.C Type). Follow the alarm system manufacturer's instructions for compatibility, wiring and safe installation.