... protection functions5.Supports motor direct startup mode6.Multiple kinds of motor thermodynamics mathematical models, better inverse time tripping strategies7.Equipped with ... : RS-485, Modbus-RTU (only choose one between 4~20mA and RS-485)6. ... Power supply: 220VAC, ±10%, 50Hz, <3W7.Standards: IEC60947-1:2001, IEC60947-4-1:2001 Motor Protection Device (motor Protector, Protection Relay ...