Switch for 3 external stations
Description
Switch with automatic changeover on call for electric door speaker with 3 external stations to be used with power supplies 0931, 931A, 0936, 938A and 0931/0CT. Possibility of making multiple connections with multiple 0839/303 switches and a maximum of 9 entrance panels. Installation on DIN rail (60715 TH35), occupies 8 17.5 mm modules.





