10PCS Recessed Wired Security Window Door Contact Sensor, Normally Closed NC, Door Alarm Magnetic Reed Switch with 2 Wire, ABS White, RC-33

Magnetic contacts is broadly used for alarm system(panel) to detect state of door/window. It include a reed change half and a magnet half . When door closed, reed change is effected by magnet and switch ON; when door open, reed change is effected by magnet and switch OFF, set off alarm.
【Dimension】Physique dimension(approx.): 9.5*22mm/0.37″*0.87″(D*L),Cable size: 260mm/10.2″, Motion Distance:15-25mm/0.6″-1″, package deal embrace 10 pairs.
【Materials】The Magnetic Change is made from flame-retardant ABS shell materials, immune to excessive temperature and never simple to deform.
【Usually Closed (NC)】Usually closed sort with 2 wires. When the magnet collectively, the circuit is conductive( gentle on ); the circuit isn’t conductive ( gentle off ) if the magnet separates.
【Software】These are the door contact sensors which might be in use with any and all business or residential card entry programs in addition to all safety burglar alarm system. The door contact can be utilized with an entry management or anti-theft alarm system.
【Notice】The Magnetic Door Change should be put in as per the sensing distance. It will possibly solely present a change sign to the transmitter. It will possibly’t straight load the ability, nor straight join the lamp.