4 pre-set V/f modes; 1 user-defined V/f program Input: Three phase 415V AC, 50/60 Hz Output: Three phase 415V AC, 0 to 400 Hz Output Power: 0.5 HP/0.4 kW to 20 HP/15 kW 8 (PNP/NPN) Inputs, 2 Analog Inputs (0-10 V/0-20 mA/4-20 mA), 2 Relay Outputs, 1 Analog Output (0-10 V/0-20 mA), and 2 Open Collector Outputs Supports the RS485 Modbus Communication Protocol Protection against Over voltage, Under voltage, Over temperature, Over load, Under current, Over current and Short circuit Suitable for applications like pumps, fans, conveyors, food and drink packaging machinery, industrial washing machines, and most general industries, etc