Busbar L "phase" in an enclosed DIN-rail insulator ШНИ-6х9-8-К-Ср IEK

ШНИ busbars with insulators provide electrical and mechanical connections for neutral, protective and phase conductors. They consist of a brass busbar mounted on a plastic insulator or inside an insulator made of self-extinguishing plastic.
Normal operating conditions:
– ambient temperature from −40 to +50 °C;
– average relative humidity no higher than 90%.