10 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

10 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

• 10 White ABS Normally Closed Miniature Door Contact Switch 5/8 by 3/8 with screw terminal block to terminate alarm system wires
• .2 Amp Maximum Switch Current
• Will 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 open, the contact will give an open signal and when the door is closed the contact will give a closed (circuit) signal.