The LRW relay type TLH-5 is designed for single-busbar 110 kV substations working in a H3, H4, H5 arrangements. The relay is equipped with a working algorithm for all possible H-arrangements. Configuration and change of setup is implemented in software. The housing of the relay can be adjusted for mounting on a relay table, or on a swing frame of a cabinet. Actual state of connections of the substation is presented on a LCD touch screen. TLH-5 has internal event recorders and simplified fault recorder.