Four residual overcurrent steps............................................195Directional supervision element with integrateddirectional comparison function............................................197Second harmonic blocking element..................................... 199Switch on to fault feature......................................................201Technical data........................................................................... 203Thermal overload protection, one time constant, Celsius/Fahrenheit LCPTTR/LFPTTR.........................................................204Identification.............................................................................. 204Functionality.............................................................................. 204Function block........................................................................... 205Signals.......................................................................................205Settings......................................................................................206Monitored data...........................................................................208Operation principle.................................................................... 208Technical data........................................................................... 212Breaker failure protection CCRBRF............................................... 212Identification.............................................................................. 212Functionality.............................................................................. 212Function block........................................................................... 213Signals.......................................................................................213Settings......................................................................................214Monitored data...........................................................................215Operation principle.................................................................... 215Technical data........................................................................... 218Pole discordance protection CCPDSC........................................... 219Identification.............................................................................. 219Functionality.............................................................................. 219Function block........................................................................... 220Signals.......................................................................................220Settings......................................................................................221Monitored data...........................................................................221Operation principle.................................................................... 221Pole discordance signaling from circuit breaker...................224Unsymmetrical current detection..........................................224Technical data........................................................................... 225Section 9 Voltage protection........................................................ 227Two step undervoltage protection UV2PTUV ................................227Identification.............................................................................. 227Functionality.............................................................................. 227Function block........................................................................... 228Signals.......................................................................................228Settings......................................................................................229Table of contentsLine differential protection RED650 2.2 IEC 5Technical manual
