Siemens OP121 (S54372-F1-A1) Smoke DetectorThe Siemens OP121 is a conventional photoelectric smoke detector designed for open area and direct in duct applications. It incorporates microprocessor controlled, self diagnostic circuitry that automatically verifies sensitivity without requiring external test equipment, supporting NFPA 72 compliance. The built in magnet test feature allows installers and service personnel to confirm detector operation and verify proper wiring to the fire alarm

FlashScan address range 01-159

Genesis GL Series

The SIGA-DTS Duct Test Station uses a key switch along with an integral intelligent input module mounted on a two-gang plastic plate

Green Lens used for Indoor/Outdoor Wall Mount Strobes

Led Hf Spkr Str Red Wall Alert

and optional panel networking using the SK-NIC

Speaker/Strobe

While in encoder mode

high impact plastic with a slightly textured surface

all i3 detectors are equipped with both drift compensation and smoothing algorithms

twisted-pair

Abort Switch Current Limited Red Surface