Variable Speed/Frequency Drive, input voltage 380Vac-500Vac (400Vac / 415Vac / 440Vac / 480Vac) (3-phase / 3P) - Rated active power 1.5kW (ND Normal duty) / 2HP - Rated current 4A (ND Normal duty) - frequency (output) 0.2-590Hz - with Heatsnk. cooling - with Modbus RTU communication capability - IP20 - Chemical resistance (circuit board coating + plated conductors - IEC60721-3-3 3S2 3C2)