Siemens FDM223 Manual Call Point

The Siemens FDM223 Manual Call Point is an addressable heavy-duty manual call point engineered for indirect alarm triggering in harsh environmental or industrial fire safety applications. Designed by Siemens for integration into Sinteso and Cerberus PRO fire detection systems using FDnet/C-NET addressable communication, the unit features a durable housing with high ingress protection for reliable performance in tough conditions. It incorporates a glass plate operating element with a push-button mechanism requiring indirect activation, an integrated line separator (isolator) to safeguard communication loop integrity during short-circuit faults, electronic addressing, an internal red alarm LED indicator for instant status feedback, screw terminals for secure wiring, and flexible surface mounting options.