EKOE 130 G + EKOVT Polycarbonate Enclosure, IP66, IP67, Flanged. Fibox EK series enclosure, ideal for housing electrical equipment in either a single enclosure or a flexible modular system. These polycarbonate enclosures are impact resistant, self-extinguishing and resistant to most acids and alkalis. The temperature range of the enclosure material is -40°C to +120°C, (+80°C for continuous use) and the flammability rating is UL94-V2.