Appleton Mercmaster III ML Series Low Profile HID Luminaire Without Guard, Fixture Type: Ceiling Mount, Lamp Type: 150 WTT S55 16000 LM Medium High Pressure Sodium, Lamp Wattage: 150 WTT, Voltage Rating: 120/208/240/277 V, Number Of Lamps: 1, Material: Stainless Steel Hardware And Latch Assembly, Cast Copperfree (4/10 Of 1 PCT Maximum) Aluminum Mounting Hood And Body, Fixture Wattage: 188 WTT, Amperage Rating: 0.85 AMP Starting, 0.72 AMP Operating At 277 V, Length: 13.62 IN, Width: 13.62 IN, Housing Finish: Baked Gray Epoxy-Clad Powder Coat, Housing Material: Cast Copperfree (4/10 Of 1 PCT Maximum) Aluminum, Ambient Temperature Range: 65 DEG C, Temperature Range: 90 DEG C Supply Wire, Lens Material: Heat-Resistant Prismatic Glass Globe, Ballast Type: High Reactance High Power Factor Autotransformer (HX-HPF), Ballast Quantity: 1, Number Of Hubs: 5, Hub Size: 3/4 IN NPT, Frequency Rating: 60 HZ, Enclosure: NEMA 4X, IP66, Standard: Class I, Division 2, Groups A, B, C, D, Class I, Zone 2,AEx nA nR IIC (Z2), Class I, Zone 2, Ex nR IIC (Z), Class I, Zone 2, AEx nR IIC (ZB), Class II, Division 1 And 2, Groups E, F, G, Class III, UL 1598A, 60079-15, 844, CSA LR25428, Enclosed And Gasketed Fixtures Suitable For Use In Marine And Wet Locations, And In A Wide Range Of Industrial, Chemical Processing And Other Areas Where Flammable Gases And Vapors Or Combustible Dusts Are Present, Areas Of Low Clearance, Low Ceiling Heights Or Where Fixture Weights Must Be Minimized, R Use In Non-Hazardous Locations Where Severe Weather Conditions, Excessive Moisture, Dirt, Dust Or Corrosive Atmospheres Are Present, Oil Refineries, Pulp And Paper Mills, Chemical Plants, Food-Processing Areas, Inspection Facilities, Foundries, Power Plants, Storage Areas, Waste And Sewage Treatment, Parking Garages, And Other Areas Where Dust, Water, Dirt And Rough Usage Are A Problem