The contact is closed (NC) when the magnet is connected. The alarm contact is potted humidity-proof. The electrical connection is not done via interference-prone threaded terminal ends at the alarm contact, but via cables which have to be soldered on (like prescribed by the VDS-regulations of the insurers a.o.). 1 Set consists of 1 magnet and 1 potted alarm contact with pigtails. Available in brown.
The Alarm contacts are for the use with our kits and module:
B101 - Universal alarm system 12 V/DC
B190 - Mini alarm system
M117 - Alarm module for computers etc.
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