YCS7N series Surge Protection Device (SPD) is suitable for TT, IT, TN-S, TN-C and TN-C-S, the power supply system with the rated voltage up to 230/400V and AC 50/60Hz. Its design corresponds to IEC61643-1. The product is usually installed in the incoming line low voltage distribution box of the building, and it can release 80kA lightning stroke current.

General
YCS6-C series Surge Protection Device is suitable for π,IT,TN-S,TN-C and TN-C-5,the powersupply system with the rated voltage upto 230/400V and AC 50/60Hz Itcan work as the equipotential bonding when the lightning strike.Its designcorresponds to IEC61643-1.

General
YCS6-D series Surge Protection Device is suitable forTT,IT,TN-S,TN-C and TN-C-S,the power supply system with the rated voltage up to 230/400V and AC 50/60Hz.Itsdesign corresponds to IEC61643-1.The product is usually installed in the incomingline low voltage distribution box of the building,and it can release 20kA lightningstroke current.