Bender NGRM700 - Technical Data

Technical data
69
NGRM7xx_D00292_07_M_XXEN/02.2022
13. Technical data
13.1 Tabular data
Insulation coordination according to IEC 60664-1/IEC 60664-3/DIN EN 50178
Definitions
Measuring circuit 1 (IC1) ............................................................................................................................................(L1, L2, L3)
Supply circuit (IC2) ......................................................................................................................................................... (A1, A2)
Measuring circuit/Control circuit (IC3)............................................................................................... (RS, E, CT), (X1, Ethernet)
Output circuit 1 (IC4) .................................................................................................................................................(11, 12, 14)
Output circuit 2 (IC5) .................................................................................................................................................(21, 22, 24)
Output circuit 3 (IC6) .................................................................................................................................................(31, 32, 34)
Rated voltage.......................................................................................................................................................................690 V
Overvoltage category................................................................................................................................................................. III
Rated impulse voltage
IC1 / (IC2…6).......................................................................................................................................................................8 kV
IC2 / (IC3…6).......................................................................................................................................................................4 kV
IC3 / (IC4…6).......................................................................................................................................................................4 kV
IC4 / (IC5…6).......................................................................................................................................................................4 kV
IC5 / (IC6)...............................................................................................................................................................................4 kV
Rated insulation voltage
IC1 / (IC2…6).....................................................................................................................................................................800 V
IC2 / (IC3…6).....................................................................................................................................................................250 V
IC3 / (IC4…6).....................................................................................................................................................................250 V
IC4 / (IC5…6).....................................................................................................................................................................250 V
IC5 / (IC6).............................................................................................................................................................................250 V
Pollution degree exterior........................................................................................................................................................... 3
Safe isolation (reinforced insulation) between
IC1 / (IC2…6)............................................................................................................................ overvoltage category III, 800 V
IC2 / (IC3…6)............................................................................................................................ overvoltage category III, 300 V
IC3 / (IC4…6)............................................................................................................................ overvoltage category III, 300 V
IC4 / (IC5…6)............................................................................................................................ overvoltage category III, 300 V
IC5 / (IC6).................................................................................................................................... overvoltage category III, 300 V