ZS-Solid Core Post Insulators; ZSX-Catanary Post Insulators;C-Operation Post Insulators;W-Anti-pollution Type;Numerator after frist"-"-Nominal Voltage;Denominator-Catilever Failing Load;N-Torsion Failing Opterećenje;L- Svi donji i gornji spojevi imaju otvor za vijke; podaci nakon druge"-"-klase razine onečišćenja.
