Power : 1 KW To 500 KW Frequency : 48…63 Hz Voltage: 3-Phase,380 To 480 V,+10/-15% Application : Pump, Fan, Constant Torque Use, Such As Conveyors ,Textile, Plastic, Crane , Chemical Specification : 6 DI, 3 Relay O/P, 2 AI, 2AO