The SpecGrade MaxTemp D2 is a hazardous-location LED luminaire built for high-ambient-temperature industrial applications, with temperature ratings up to 100°C / 212°F depending on wattage and housing size. The B3 series is rated at 100°C / 212°F for 90W, 90°C / 194°F for 100W, 80°C / 176°F for 120W, and 70°C / 158°F for 150W; the higher-output B4 series follows the same temperature range, with 100°C / 212°F at 150W down to 70°C / 158°F at 300W. It also features IP66 protection, aluminum alloy construction, 120° beam angle, 120V/277V options, and UL listings for Class I Div. 2 Groups A–D and Class II Div. 2 Groups F–G locations.
