SK enclosure heater, with fan, 355/400 W, 115 V, 1~, 50/60 Hz, WHD: 103 x 200 x 103 mm, Enclosure Heater with fan, Aluminum, anodized, PTC heater with fan Fasteners, 103 mm, 200 mm, 103 mm, 4.06 in, 7.87 in, 4.06 in, 115 V, 1~, 50 Hz/60 Hz, IP 20, 85162999, 1 pc(s), 2.079 lbs, 4028177662902, Enclosure heaters to regulate relative humidity, prevent temperatures from dropping below the dew point and stop condensation forming inside the enclosure. This prevents consequential damage associated with corrosion or electrical short circuits. Version with fan. Continuous thermal output 235 800 W.