Network and System Protection (Ns Protection) For Monitoring The Power Feed-in Of Power Generation Systems AC/DC Voltage Monitor, True RMS, 3/N AC 400/230 V 50 Hz Nominal Voltage 400 / 230 V Device Features: - Islanding Detection Df/Dt (Rocof) - Continuous Monitoring Of Phase Voltage and Line Conductor Voltage - Remote Disconnection By Ripple Control Signal - Simulation Function For The Determination Of The Disconnection Time - The Last 300 Distribution Network Faults Can Be Recalled with Time Stamp - Language Selection (German, English, ITalian) - Control Of The Connected interface Switches - StraightForward COMmissioning Due to Pre-Set Basic Programs For National Standards and Regulations - Single-Fault tolerance - RS-485 interface (Data Exchange and Software Update Via BMS Bus) - 2X2 Changeover Contacts - Backlit Graphics Display - Test Button For The ACTuation Circuit - Separate Switching Conditions After A Threshold infringement Certificate Of Non-Objection/Certificates Of ConFormity: - Cei 0-21 - VDE-Ar-N 4105 - Bdew-Richtlinie in Preparation - C10/11 in Preparation - G59/2 in Preparation - G83/2 in Preparation - DIN V VDE V 0126-1-1 in Preparation