Silent Knight SK-DUCT Intelligent Air Duct Smoke DetectorSilent Knight's SK DUCT Intelligent Air Duct Smoke Detector is used with SK PhotoR (included). Operating Voltage Range: 15 to 32 VDC The SK Duct provides a remote alarm output for use with auxiliary devices, such as the RA400Z RA100Z remote LED annunciator, as well as remote test capability with the RTS451 RTS151 or RTS451KEY RTS151KEY Remote Test Stations.

The Simplex 4903-9193 Fire Alarm Speaker Strobe is designed for horizontal mounting

It's ideal when spot-type smoke detectors are difficult to install and maintain

• 6820EV

Beacon flash rate is selected at the sounder-beacon using the MX 850EMT Engineering Management Tool

(135 degrees F)

photo/heat or heat sensor (sold separately):

Key Specifications:

visually sensitive

33° and 13

Simplex 49SVC-WWFIRE TrueAlert S/V Cover

Simplex 49MT-WWF-BA Multi-Tone Horn

The Simplex 4905-9940 is a White Surface Mount (Shallow) Adapter Skirt for use with TrueAlert notification appliances