The SpecGrade MaxTemp Linear is a hazardous-location LED luminaire built specifically for high-heat industrial environments, with operating temperature ratings from -40°C to 110°C (-40°F to 230°F) depending on model and wattage. The HTA4 series reaches the highest rating at 110°C / 230°F for 10W and 20W models, while other HTA4 options range from 105°C / 221°F down to 80°C / 176°F as wattage increases; the HTA2 series ranges from 105°C / 221°F to 85°C / 185°F across 20W–50W models. In addition to its high-temperature capability, it offers Class I Div. 2, Class II Div. 2, and Class III hazardous-location compliance, IP66 ingress protection, IK10 impact protection, 3G vibration rating, 130 lm/W efficacy, 120V/277V input, and flexible mounting options for demanding applications like power plants, petrochemical facilities, paper mills, offshore environments, and heavy industrial sites.
