The HTT-48 is an electrical enclosure manufactured by HT HI TECH POLYMERS OY. It is a black, circular box with a Grommet, bulkhead and Ømount.hole of 60mm, designed for operating in temperature range of -40°C to 100°C and achieving an IP54 level of protection. This means the enclosure is dust tight and protected against water spray from any direction. The product is made from polyamides, polyethylene, ABS or PVC and is also resistant to UV radiation, high temperature shock, and most acids and alkalis. The enclosure is suitable for use in demanding applications like power plants, chemical and process industries, railways, mining and agricltural machines and other harsh environments.