5 Pack Magnetic Contacts Switch Window Door Sensor for Alarm System NC 3/8″

Magnetic contacts is widely used for alarm system(panel) to detect state of door. It consist of a reed switch phase and a magnet phase . When door closed, reed switch is effected by magnet and switch ON; when door open, reed switch is effected by magnet and switch OFF, trigger alarm.
Contact kind: NC
Subject matter: ABS plastic
Color: white
Pack: 5pairs/bag

Small size, simple to put in and concealment
Flush fixed cylindrical magnetic contacts
φ10mm 3/8″ diameter press to suit
Ideal for window or picket door
Same old 300mm #24 AWG leads