3 White Recessed Screw Terminal Block Door Contacts NC Alarm Door Window Sensors with Magnetic Reed Switch. These 3/8” Door Contact Position switches (DCS) Work with All Burglar Alarm Systems

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3 White ABS Normally Closed Miniature Door Contact Switch 5/8 by 3/8 with screw terminals to terminate alarm system wires .2 Amp Maximum Switch Current Will make Sense Door Closer at Roughly 1/2” or 10mm This Contact Works with Any Access Control or Burglar Alarm System Available NORMALLY CLOSED: When...

  • 3 White ABS Normally Closed Miniature Door Contact Switch 5/8 by 3/8 with screw terminals to terminate alarm system wires
  • .2 Amp Maximum Switch Current
  • Will make Sense Door Closer at Roughly 1/2” or 10mm
  • This Contact Works with Any Access Control or Burglar Alarm System Available
  • NORMALLY CLOSED: When the door or window is CLOSED, the contact will give an CLOSED signal and when the door is open the contact will give a open (circuit) signal.