615 series Quick Start Guide - Arc protection - Back-up protection - Busbar differential protection (high impedance) - Capacitor bank protection - Feeder protection - Generator protection - Interconnection protection - Merging unit - Motor protection - Power management/Load shedding - Transformer protection - 2 winding - Voltage regulation - Quick Start Guide - 615 series Relion Protection and Control - 5.0 FP1 IEC