Encapsulated-Resin Filled Motors Series Deep well Submersible Motors, hermetically sealed stator, anti-track, stator resin-filled prevent motor burn out. NEMA standard, IP68 Motor size : 4”, 6” Starting method : DOL, Start Delta Max Immersion Depth : 200m (4”) / 350 m (6”) Materials : Cast Iron, SS304, SS316 Applications : For deep well submersible pumps