CEE SPA - 2.8/7.5 combined supply cable sheath protector CEE SPA - 2.8/7.5 combined cable sheath protector single-core cable protector rated voltage 10-35 KV nominal discharge current 5 ka residual voltage 7.5 KV 2 ms square wave flow capacity of 400 a, 600 a CEE SPA in cable sheath protector - 2.8/7.5 type modular integration design, it will surge protector and high voltage cable lead whole sealing in high quality rubber insulation materials, compact structure, small volume, convenient installation.