1. Rated voltage Uo/U: 450/750v 2. Permissible Max.continous operating temperature of conductor: PVC insulated: 70掳C; XLPE insulated: 90掳C 3. Upon short circuit (Max.duration time 5s), The Max.temperature of conductor not higher than PVC insulated: 160掳C; XLPE insulated: 250掳C 4. Ambient temperature of installation not lower than 0掳C