615 Series Protective Relay Single Line Diagram

This document provides a typical single line diagram and front panel elevation for ABB 615 series protective relays and switches, including PCM600 ACT logic configurations for functions such as 86T lockout relay trip, breaker failure (50BF), and voltage transformer connections. It details parameter settings like "Pol Signal Sel" for negative sequence voltage and calculated ground functions, with notes on rotary switch emulation and FT-1 switch customization.