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TH A17

Premium Open Aluminum Optical

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Intended Use

For high mounting heights that require high efficiencies, horizontal illumination and premium glare control. Ideal for manufacturing areas and aisles.


Housing: Rugged, heavy-duty, die-cast aluminum with white polyester powder finish. Electrical components horizontally opposed and heat-sinked to ballast housing for cool operation.


Premium-spun aluminum, anodized reflector combines high efficiency with extended shielding angles for high performance. Exclusive fluted design minimizes arc tube voltage rise. Optical system is adjustable and accommodates the full range of industrial light distributions. Self-cleaning, ventilated design carries optical contaminants out through open top of reflector.


Ballast: All ballasts are 100% factory tested. HPS: Constant wattage autotransformer. MH: 175-450W fixtures shipped within the U.S. require super CWA pulse start ballasts which are 88% efficient and EISA-legislation compliant (must specify SCWA option). CSA, NOM or INTL options required for probe start shipments outside the U.S. 1000W is constant wattage autotransformer.

Socket: Vertically oriented mogul base protected exclusionary "PINK" socket with copper alloy, nickel-plated screw shell and center contact. For use with O-rated, protected metal halide lamps only.


Pendant splice box threaded for 3/4" conduit (standard). Pendant splice box, removable cast-aluminum box slides on integral die-cast aluminum housing mounting flange and mounts to 3/4" pendant conduit prior to ballast housing installation. Matching wire access cover accepts RELOC® modular wiring. Complete assembly meets or exceeds UL50-pound pull test. Other mounting options available.

Optical mounting: Adjustable reflector mounting brackets are progressively die-formed of 18-gauge galvanized steel.


UL Listed -30°C to 55°C ambient operations and damp locations. High ambient (HA) option of 65°C available.

UL Listed to U.S. and Canadian safety standards. NOM Certified.

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