Double relay module, 1.5A/30V load, triggering by 0 or 12V signal.
Addressable input/output expander, eight NO/NC inputs and eight relay outputs, can be used with PRxx2 controllers as a elevator control module.
Addressable input/output expander, two NO/NC inputs and two relay outputs, dedicated to work with PRxx1 and PRxx2 series controllers as well as with PRTxxEM and PRTxxMF series readers.
Alarm module for PS series power supplies (PS10, PS20 and PS15v24), indicates battery failure...