Siemens DB-3S Standard Low Profile Mounting Base

The Siemens DB-3S is a standard low profile mounting base for use with Siemens’ DI-3 Series Ionization Smoke Detectors. COMPATIBLE DI-3 SERIES DETECTOR HEADS: — DI-3 Ionization Smoke Detector — DI-3IS Ionization Smoke Detector (intrinsically safe) — DI-A3 Ionization Smoke Detector (high air velocity) — DI-B3 Ionization Smoke Detector (duct use only) — DI-3H Ionization Smoke Detector (high altitude) — DI-A3H Ionization Smoke Detector — DI-B3H Ionization Smoke Detector (high altitude duct use)