Screened separable surge arresters, 12-24 kV , 5kA and 10kA, used in conjunction with RSTI separable coupling connections for indoor applications and SF6 insulated gear.
Surge arresters for indoors applications, 6-36 kV, 5kA and 10kA, with a thick wall insulated integrated line lead.
Surge arresters for indoors applications, 6-36 kV, 10kA, used in conjunction with RICS insulated adapter terminations for SF6 insulated gear.
INTEGRATED TRANSFORMER PROTECTION
For the integrated protection of a medium voltage field transformer the following surge protection devices should be installed:
Medium voltage surge suppressors suitable for outdoors.
Low voltage surge suppressors suitable for outdoors.
A transient voltage clamping device between the transformer casing and the neutral bushing in order to protect against “back flashover” between the transformer tank and the LV winding.