1 pcs Recessed Brown Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems
$7.75
Description
1 Brown ABS Normally Closed Door Contact Switch..2 Amp Maximum Switch Current.Will make Sense Door Closer at Roughly ¾” or 15mm.This Contact Works with Any Access Control or Burglar Alarm System Available.NORMALLY CLOSED: When the door or window is open, the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal.
