ECE , Frequency Drive ECE Starter for 355 Kw, 600 Volt Motors. Used to Drive 3 x 355 Kw Cogemacoustic Fans. Consists of: Vacon Variable Speed A/C Drive. Schnelder LC1F630 Contactor Motor Control x 3. Trafotek Reactor Type 16088. Platthaus Coils, Type 958-934 x 3.