Optical Status indicator

Surge protection, TN-C

Surge protection, TT, TN-S, TN-C-S

Surge protection, TT, TN-S, TN-C-S

Surge protection, TN-S

Surge protection, TN-S, TN-C-S

Surge protection, TN-S, TN-C-S, TN-C, TT