SYSTEM CONTROLLER, DESIGO PX, FOR HE INTEGRATION OF KNX / M-BUS / MODBUS OR SCL OVER BACNET/IP, SERIAL RS232, SERIAL RS485, ETHERNET PLUG, S55372-C114

Siemens ZN-31U
INPUT MODULE, SYSTEM 3, DUAL CONTACT ZONE MODULE, 2 RED LED ALARM LAMPS, 2 YELLOW LED TROUBLE LAMPS, NORMAL CURRENT




