The D75 is a standard surface contact complete with an internal PCB and wire clamping terminal blocks. 2 terminals govern the switch, 2 provide a tamper loop and the remaining two are left as spares. Terminals are marked on the PCB for ease of installation.
This is a rectangular contact with smooth, rounded edges. it provides an operating gap of approximately 35mm. Both contact and magnet are 78x24x20mm.
Tamper protection is provided by a sprung microswitch which detects removal of the lid.
Also available in brown – use part code D75B.
|6T Burglar Alarm Surface 6 Terminal Single Reed Door / Windows Tamper Contact