Door Window Magnetic Contact Sensor NC Wired Surface Mount 5 Pack for Alarm System

5Pack Wired Normal Closed SurfaceMount Magnetic Contacts for Door and Window Security Quick overview Compact, reliable magnetic contacts designed for wired alarm systems. Each unit uses a normal closed configuration and screwterminal connections for straightforward installation and dependable operation. Why you need this product Detects unauthorized entry on doors and windows by opening the circuit when the magnet is separated from the contact. This provides a simple and proven method to trigger alarm panels and monitoring devices. Supplied as a 5pack for multipoint coverage around a home, office, garage, or outbuilding. Reduces the need to source multiple single units and simplifies planning. Key benefits Reliable operation: Normal closed wiring ensures the circuit is complete when closed and will signal immediately when the contact opens. Easy wiring: Screwterminal design makes wiring secure and fast for professional installers and DIY users. Lowprofile mounting: Surfacemount form factor fits on most door and window frames without requiring recessed cutting. Broad compatibility: Works with many wired alarm control panels and security systems that accept NC magnetic contacts. Durable and low maintenance: Designed for consistent performance with minimal upkeep. Important attributes Function: Magnetic contact sensor for intrusion detection using a normal closed switch arrangement. Mounting: Surfacemount installation compatible with doors, windows, frames, and similar surfaces. Wiring: Screwterminal connections for reliable wired integration. Pack size: Contains five magnetic contact units for multipoint security coverage. Practical use scenarios Home entry points: Install on front, back, and patio doors to alert a central alarm panel when a door is opened. Groundfloor and basement windows: Add discreet protection to commonly accessed windows to improve overall perimeter security. Outbuildings and storage: Monitor garage doors, sheds, or equipment cabinets to detect unauthorized access. What to consider before installation Confirm your alarm panel supports normal closed magnetic contacts. Position the contact and magnet so they align when the door or window is closed for reliable operation. Use appropriate mounting screws and wiring practices for a secure, longlasting installation. This 5pack of wired, normal closed, surfacemount magnetic contacts offers a practical way to expand or maintain wired security systems with simple installation and reliable performance.