Square Fire/Smoke Damper, 11-3/4 In. H

Motorized Fire/Smoke Damper, SquareMaterial Galvanized Steel, Frame 16 ga., Blade 16 ga., Fire Rated 1-1/2 hr., Max. Temp. 350 Degrees F, Max. Velocity 2000 fpm, Recommended Retaining Angle Mfr. 2TGH2, Pressure Differential Max. 4 In. wg, Seals Extruded Silicone Rubber Blade, Voltage 24, 60 Hz, 1 Phase, Free Area 74.16 sq. in.Nominal Duct Width 12 In., Nominal Duct Height 12 In., Actual Width 11-3/4 In., Depth 16 In., Actual Height 11-3/4 In., Mounting Type Vertical/Horizontal Life Safety DampersAccommodate airflow in either direction.UL, NFPA, IBC, MEA, CSFMMotorized Fire/Smoke DampersDesigned for closure in emergency fire and smoke situations. Factory-installed actuators are prewired to a single junction box.Fire-resistance rating: 1-1/2 hr. Smoke leakage rating: Class II 3V blade Velocity rating: 2000 fpm (square); 3000 fpm (round)