ABB ACS480-04-026A-4+K490 ACS480-04-026A-4 ACS480 drive with EtherNet/IP. ABB ACS480-04-026A-4+K490 is an ACS480 general-purpose drive rated 380-480 V AC, three-phase, factory configured with EtherNet/IP communication (FEIP-21). It is suitable for pumps, fans, compressors, conveyors and OEM control panels requiring direct PLC or industrial-network integration.