Frequency inverter, type identifier: DG1, rated operating voltage: Ue = 400 V AC, 3-phase, 480 V AC, 3-phase, 500 V AC, 3-phase, output voltage at Ue: U2 = 400 V AC, 3-phase, 480 V AC, 3-phase, 500 V AC, 3-phase, mains voltage (50/60Hz): ULN = 380 (-15%) - 500 (+10%) V, Rated operational current at 150 % overload: Ie = 72 A, Note: Rated operational current at a switching frequency of 1 - 10 kHz and an ambient temperature of +50 °C for 150 % overload and +40 °C for 110 % overload, Rated operational current at 110 % overload: Ie = 87 A, Note: Overload cycle for 60 s every 600 s, Assigned motor power Note: for normal four-pole, internally and externally ventilated three-phase asynchronous motors with 1500 min-1 at 50 Hz or 1800 min-1 at 60 Hz, overload cycle for 60 s every 600 s, at 400 V, 50 Hz, assigned motor power 150 % overload: P = 37 kW, 110 % overload: P = 45 kW, 150 % overload: IM = 68 A, 110 % overload: IM = 82.1 A, Assigned motor power Note: at 500 V, 50 Hz, Assigned motor power 150 % overload: P = 45 kW, 110 % overload: P = 55 kW, 150 % overload: IM = 65 A, 110 % overload: IM = 79 A, Assigned motor power Note: at 480 V, 60 Hz, Assigned motor power 150 % overload: P = 50 HP, 110 % overload: P = 60 HP, Assigned motor power 150 % overload: IM = 65 A, 110 % overload: IM = 77 A, Protection class: IP54/NEMA12, Interface/fieldbus (built-in): Modbus RTU, Modbus TCP, BACnet MS/TP, Ethernet IP, Fieldbus interface (optional): PROFIBUS, CANopen®, DeviceNet, SmartWire-DT, Features: radio interference suppression filter, additional circuit board protection, multi-line graphic display, DC link choke, Size: FS4, Standards and regulations: General requirements: IEC/EN 61800-2, EMC requirements: IEC/EN 61800-3, Safety requirements: IEC/EN 61800-5, IEC/EN 60950-1: SELF.