Under voltage seal-in........................................................... 331Technical data........................................................................... 332Section 8 Current protection.........................................................333Instantaneous phase overcurrent protection 3-phase outputPHPIOC .........................................................................................333Identification.............................................................................. 333Functionality.............................................................................. 333Function block........................................................................... 333Signals.......................................................................................333Settings......................................................................................334Monitored data...........................................................................334Operation principle.................................................................... 334Technical data........................................................................... 335Four step phase overcurrent protection 3-phase outputOC4PTOC ..................................................................................... 335Identification.............................................................................. 336Functionality.............................................................................. 336Function block........................................................................... 337Signals.......................................................................................337Settings......................................................................................339Monitored data...........................................................................344Operation principle.................................................................... 345Second harmonic blocking element...........................................349Technical data........................................................................... 350Instantaneous residual overcurrent protection EFPIOC ................ 351Identification.............................................................................. 351Functionality.............................................................................. 351Function block........................................................................... 351Signals.......................................................................................351Settings......................................................................................352Monitored data...........................................................................352Operation principle.................................................................... 352Technical data........................................................................... 353Four step residual overcurrent protection, (Zero sequence ornegative sequence directionality) EF4PTOC .................................353Identification.............................................................................. 353Functionality.............................................................................. 354Function block........................................................................... 354Signals.......................................................................................354Settings......................................................................................356Monitored data...........................................................................361Operation principle.................................................................... 362Operating quantity within the function.................................. 362Table of contents7Technical manual
