Catalog Number Notes Type FEATURES & SPECIFICATIONS INTENDED USE — Use in high-mounting heights that require high efficiencies and horizontal illumination. Ideal for general manufacturing areas, storage areas and warehouse aisles. Open High Bay Industrial Lighting ATTRIBUTES — Distributor pack consists of ballast housing, reflector, door lens and lamp together in one carton. CONSTRUCTION — Housing – Heavy-duty, die-cast aluminum halves. Ballast and electrical components are heat-sinked and horizontally opposed. Integral splice box mounting flange ensures structural integrity. THD A15 FINISH — Housing – Electrostatically applied white polyester powder paint. OPTICAL SYSTEM — High-efficiency, anodized, spun aluminum reflector features exclusive contoured design that minimizes color shift. Self-cleaning ventilated design carries contaminants out of the top of the reflector. DISTRIBUTOR PACK 15" ALUMINUM OPTICAL ELECTRICAL SYSTEM — Ballast: All ballasts are 100% factory tested. HPS: Constant wattage autotransformer; MH: Super CWA Pulse Start ballasts, 88% efficient and EISA legislation compliant, are required for 250-450W (must order SCWA option) for US shipments only. CSA, NOM or INTL required for probe start shipments outside the US. Protected Metal Halide 400W High Pressure Sodium 400W Socket: Vertically oriented mogul base PROTECTED EXCLUSIONARY base “PINK” socket with copper alloy nickel plated screw shell and center contact. For use with “O” rated protected metal halide lamps only. INSTALLATION — Pendant Splice Box – Removable cast-aluminum box slides on integral die-cast aluminum housing mounting flange and mounts to ¾” pendant conduit prior to ballast housing installation. Matching wire access cover accepts Reloc modular wiring. Complete assembly meets or exceeds UL 50-pound pull test. 18' to 30' mounting Specifications Optic Mounting – Reflector mounting brackets are progressively die-formed of 18-gauge galvanized steel. Installed height: 19-1/2 (49.50) Installed width: 14-1/8 (35.90) LISTINGS — UL listed -30°C to 55°C ambient operations & damp locations. UL Listed to US and Canadian Standards (see Options). NOM Certified (see Options). Weight: 21 lbs (10 kg) ORDERING INFORMATION All dimensions are inches (centimeters) unless otherwise specified. For shortest lead times, configure product using standard options (shown in bold). Example: THD 400MP A15 TB LPI LPI A15 THD Series Voltage Ballast 2 THD 120/347 HC3 TB3 NOTE: For shipments to U.S. Territories, SCWA must be specified to comply with EISA. Wattage/lamp High pressure sodium 400S1 Metal halide protected Reflector A15 Aluminum reflector 400MP7 Listing Lamp LPI Lamp included in carton (blank) UL Listed CSA Listed and labeled to comply with Canadian Standards6 SCWA Super constant wattage autotransformer 4 (blank) Standard CWA magnetic5 NOTES: Accessories Order as separate catalog numbers. HKM Fixture hook male LPM Fixture loop male OCS 277 05 SCK Indoor HID RELOC® wiring 277V connector, 5' cord 60" safety chain kit 1 400S available only with TB voltage. 2 120/347 HC3 includes hook and 3' cord. Requires CSA listing. 3 Multi-tap ballast (120, 208, 240, 277V). 4 SCWA available with 400M TB only. 5 Available for shipment outside U.S. only. 6 CSA available with 120/347 HC3 only. 7 These wattages comply with California Title 20. Sheet #: THD-A15 OPHI-160 THD A15 High Bay THD 400MP A15 SCWA, leg position 10, 400W, clear metal halide lamp, 36,000 rated lumens. Test No. LTL 13747. Coefficient of utilization Distribution curve ρf ρc ρw 90° 2600 80° 5200 70° 7800 60° 10400 0° 10° 20° 50° 30° 40° 0 1 2 3 4 5 6 7 8 9 10 Distribution data 80% 70% 50% 30% 10% 20% 50% 50% 30% 10% 30% 50% 30% 10% 10% 50% 30% 10% 0% 95 89 83 77 71 66 61 57 53 50 47 89 81 73 66 60 55 50 46 42 39 36 85 78 70 64 58 53 48 44 41 38 35 81 75 68 62 56 51 47 43 40 37 34 79 71 62 55 48 43 38 34 31 28 28 95 86 78 70 63 57 52 48 44 40 37 95 84 73 64 57 51 46 41 37 34 31 95 81 70 60 53 46 41 37 33 30 27 Spacing criterion: 1.3 Optimum performance achieved at leg position 10. 89 79 70 62 55 49 45 40 37 34 31 89 77 67 58 51 46 41 36 33 30 27 85 76 68 60 54 48 44 40 36 33 30 85 75 65 57 51 45 40 36 33 30 27 Average luminance data Angle 81 72 64 56 50 44 40 36 32 29 27 Output data Zone Lumens 0°-30° 0°-40° 0°-60° 0°-90° 90°-180° 0°-180° 10887 17743 27023 28518 405 28923 Footlamberts 0° 45° 55° 65° 75° 85° 81 73 66 59 53 48 43 39 36 33 30 109876 66649 22787 14035 7851 %lamp 30.2 49.3 75.1 79.2 1.1 *80.3 Angle cp. 0° 5° 15° 25° 35° 45° 55° 65° 75° 85° 90° 95° 105° 115° 125° 135° 145° 155° 165° 175° 180° 12514 12629 13173 12948 11019 7721 3799 957 361 68 19 15 18 23 35 93 248 195 8 8 8 Lumens 1216 3733 5937 6856 5934 3346 1019 392 83 17 20 23 32 79 150 82 2 1 * Fixture Efficiency THD 400S A15, leg position 2, 400W, clear high pressure sodium lamp, 50,000 rated lumens. Test No. LTL 13779. ρf ρc ρw 2500 5000 7500 10000 0°12500 10° 20° 30° Distribution data Coefficient of utilization Distribution curve 80% 70% 50% 30% 10% 0 94 94 94 90° 1 87 84 81 2 80 74 70 80° 3 73 66 60 4 67 58 52 70° 5 62 52 45 6 57 47 40 60° 7 53 42 35 8 49 38 32 50° 4 SCWA available with 400M TB only. 9 46 35 29 10 43 32 26 40° Spacing criterion: 1.5 Optimum performance achieved at leg position 2. 20% 50% 50% 30% 10% 30% 50% 30% 10% 10% 50% 30% 10% 0% 88 79 70 62 55 49 45 40 37 34 31 84 76 67 60 53 48 43 39 36 33 30 80 73 65 58 52 46 42 38 35 32 29 79 69 59 50 43 37 32 28 25 22 20 94 79 66 55 47 40 35 31 27 24 22 88 77 66 57 50 44 39 35 31 28 25 88 75 63 54 46 40 34 30 27 24 22 84 74 64 56 49 43 38 34 30 28 25 84 73 62 53 45 39 34 30 27 24 22 Average luminance data Angle o° 45° 55° 65° 75° 85° 80 72 62 54 48 42 37 33 30 27 25 80 70 60 52 44 39 34 30 27 24 21 Output data Footlamberts Zone Lumens %lamp 167312 153351 75455 20567 10853 0°-30° 0°-40° 0°-60° 0°-90° 90°-180° 0°-180° 10776 18724 35404 39412 258 39671 21.6 37.4 70.8 78.8 0.5 *79.3 Angle cp. 0° 5° 15° 25° 35° 45° 55° 65° 75° 85° 90° 95° 105° 115° 125° 135° 145° 155° 165° 175° 180° 12594 12488 12702 12901 12695 11757 8741 3169 529 94 15 16 18 21 25 102 125 21 9 9 9 Lumens 1192 3614 5970 7948 9038 7642 3249 642 118 17 18 21 26 76 76 20 3 1 * Fixture efficiency Lithonia Lighting Sheet #: THD-A15 ©1984 Acuity Brands Lighting, Inc., All rights reserved, Rev. 11/26/09 High Bay and Special Applications One Lithonia Way, Conyers, GA 30012 Phone: 770-922-9000, 800-315-4963, Fax: 770-929-8789 www.lithonia.com