Description

The Siemens 7UM61 is a SIPROTEC 4 motor protection relay providing comprehensive protection for large HV and MV motors including differential, thermal, stall, locked rotor, negative sequence, and earth fault protection. It is used for protecting 6 kV and 11 kV induction and synchronous motors in industrial plants, pumping stations, and power stations. The 7UM61 includes condition monitoring functions such as thermal model and bearing protection.