Luminaire base is cast aluminum and is secured to pole top with concealed hardware. Clear acrylic cylindrical lens twists and locks onto housing without the use of tools. Satin anodized rings surround the reflector at the top of the lens compartment as a decorative element. Lens is sealed to the housing with silicone gasketing.
Vertical base up lamp is positioned within facetted aluminum reflector for optimal performance. Reflector material is textured to reduce brightness. Specify symmetric or asymmetric distribution.
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. Porcelain socket for 70w and 150w T6, G12 lamping is 660w-600v, 5kV pulse rated. Medium base porcelain socket for optional ED17 lamping is 660w-600v, 4kV pulse rated.
70w Type V: B2-U3-G1
70w Type III: B2-U3-G2
39w Type V: B1-U3-G1
39w Type III: B1-U3-G1
Aluminum column is manufactured from seamless 6061 aluminum tubing with nominal wall thickness of 0.196'' and is heat treated to produce a T6 temper. Flush mounted hand hole cover is plasma cut with kerf not to exceed 1/8'' and includes triangular tamper-resistant locking device. Standard mounting is with internal flange and anchor bolts. Optional external flange with anchor bolts and base cover available on request. One-piece base cover is 0.080'' spun aluminum and finished to match the pole. Nominal column height is 14.5'
Housing is cleaned ultrasonically prior to painting. Standard finish is finely textured matte silver grey metallic or graphite grey. Special colors available on request.
Limited product warranty period is three years. Lamp and ballast shall carry the manufacturer's limited warranty.