MiCOM P921/P922/P923 - Schneider - error

Technical GuideP92x/EN TD/H42Technical DataMiCOM P921/P922/P923 Page 1/42CONTENTS1. RATINGS 61.1 Voltages 61.2 Auxiliary voltage 61.3 Frequency 61.4 Logic inputs 71.4.1 Supply 71.5 Output Relay Contacts 82. MECHANICAL DATA 93. INSULATION WITHSTAND 104. BURDENS 114.1 Voltage circuits 114.2 Auxiliary supply 114.3 Optically-isolated inputs 115. PROTECTION SETTING RANGES 125.1 Undervoltage (ANSI code 27) 125.1.1 Threshold settings (secondary values) 125.1.2 Time delay settings 125.1.3 Inverse Time Delay Characteristic 125.1.4 Definite time delay characteristics 145.1.5 Hysteresis 145.2 Overvoltage (ANSI code 59) 145.2.1 Threshold settings (secondary values) 145.2.2 Time delay settings 145.2.3 Inverse Time Delay Characteristic 155.2.4 Definite time delay characteristics 175.2.5 Hysteresis 175.3 Residual overvoltage / neutral displacement (ANSI code 59N) 175.3.1 Threshold settings (secondary values) 175.3.2 Time delay settings 185.3.3 Inverse Time Delay Characteristic 185.3.4 Definite time delay characteristics 185.3.5 Hysteresis 19