SDC MC-4 Recessed Magnetic Contact Door Position Sensors
$47.58-$312.00
SDC DPS Electromechanical Ball Door Position Sensor
$44.46-$63.96
Door position switches (or Contacts) are used to monitor and detect the open or closed status of an opening and then send this status to a control panel. They come in a variety of shapes and sizes and are designed for monitoring door positions, roof hatches, gates etc.