Luminaire housing with integral louver assembly and concealed fasteners consists of domed cast top and machined aluminum base joined together by four aluminum support rods. Top and base are gasketed to provide a weather-tight seal to the clear acrylic lens. Socket enclosure is spun aluminum. Luminaire housing assembly twists onto grooved top plate of the bollard shaft and secured in place with single stainless steel setscrew. All hardware is stainless steel.
Vertical base down lamp positioned within the clear cylindrical acrylic lens provides symmetrical distribution. Internal louver shields the lamp at normal viewing angles. Louver, socket enclosure, and interior surfaces of luminaire head are painted white.
Ceramic metal halide core and coil ballast with class "H" (180°C) insulation system shall have a minimum high power factor rating of 90% and nominal ballast factor of 1.0. Ballast and starter combination shall be capable of reliable starting to -20°F (-30°C) at nominal line voltage of ±10%. Ballast, capacitor, and starter are UL and CSA recognized. Medium base porcelain socket is 660w-600v, 4kV pulse rated.
70w ceramic metal halide - MHC70/C/U/M/3K
50w ceramic metal halide - MHC50/C/U/M/3K
Extruded 6061-T6 aluminum shaft is 7" in diameter with nominal wall thickness of 0.280". Machined top plate is welded to the shaft and is grooved to accept the luminaire head. Electrical components mount to underside of socket bracket assembly and installs into the top of the bollard shaft. Bollard mounts to flangeless cylindrical mounting base with three recessed stainless steel setscrews. Mounting base installs onto three 1/2" x 15" x 3" galvanized steel anchors embedded into concrete foundation (by others).
Housing is cleaned ultrasonically prior to painting. Standard finish is finely textured matte silver grey metallic or black. Special colors available on request.
Limited product warranty period is three years. Lamp and ballast shall carry the respective manufacturer's limited warranty.