The Durapulse GS20 series of next-generation high-performance variable-frequency drives (VFDs) provides standard and advanced functions in a compact unit. The GS20X series of ac drives is IP66-/NEMA 4X-rated for operation in harsh environments. The drives include dynamic braking, PID, removable keypad and RS-485 Modbus communication. It offers single-phase input capability, a built-in PLC and optional EtherNet/IP and Modbus TCP communication card. An available GS2 mode duplicates exact parameter configuration of GS2 series mini ac drives. Drives are available from 1/4 to 30 hp in single-phase 120-Vac input, single-phase/three-phase 230-Vac input and three-phase 460-Vac and 575-Vac input and up to 10 hp.