Siemens FDME273, S54323-B108-A1 Switching unit with indirect alarm actuation Switching unit with built-in alarm indicator (LED). Two-colored LEDs for alarm and test.
Siemens FDUZ227, S54323-F106-A1 MCL-USB adapter (radio) The MCL-USB adapter (radio) is an interface converter for USB to radio. It can be used to connect FDnet/C-NET devices to a PC using a serial...