... EIW, SEIW, FEAI enameled wire, and glass envelope, the temperature rating for the F-level (155 °C), H-level (180 °C ... °C), C-level (220 °C). (Class B rating for general temperature 135 °C) 3) insulating material DMS with high-quality ... environmentally friendly materials, with high temperature insulation, fire-retardant and moisture-resistant multiple properties; also ...