Structure Size : 90 - 355 Rated Power : 0.37 / 1.66 30/37 kW Pole Number : 16 / 4-12 / 4-16 / 6-8 / 4-6 / 4-12 / 6-16 / 2-4 / 2 Protection Class : IP55 (up to 280 types), IP65 (315 types and above) (Contact us for higher protection classes.) Voltage : 380 V (Contact us for different voltages.) Frequency : 50 Hz (Contact us for different frequencies and speed control devices.) Build Type : B3 (Contact us for different structure types.) Mechanical Structure : Body and covers are cast iron, legs are ductile iron Cooling Type : IC 411 (Contact us for different cooling types and for forced cooling.) Insulation Class : F / H (Contact us for different insulation classes.) Working Regime : S1 (Contact us for S2..S10 operating regimes.) Ambient temperature : 40 C (Contact us for higher ambient temperatures.) Motor Protection : Thermistor and motor protection relay for over 250 types (Applicable to smaller types.)