Abbreviations given in tables

• Usys - Nominal system voltage

• Uimp.spv -Impulse discharge voltage

• Umcov - Continuous operation voltage

• Uacsp - Power frequency discharge voltage

• Urat - Rated voltage of MOA

• Hovri -Overall height

• Ures - Residual voltage of MOA

• Hunit - Unit height

• U1ma - Reference voltage at 1mA d.c current

• Hbase - Insulation base height

• Uref - Reference voltage at A.C Current (resistance current 1mA)

• Dmax - Maximum shed diameter

• I2ms - 2ms rectangular current withstand

• Lspec - Creepage distance

Please state at ordering

• MOA type designation

• Structure type

• Environment condition if any (e.g. pollution, high altitude)

• Optional accessory (monitor, recorder etc)

• Other special requirements