Surge arrester for 4-conductor power supply systems (L1, L2, PEN), consisting of a base element with 525.79 € / 1 028.36 лв. without VAT
Type 1 / Class I / B arrester (lightning arrester) replacement plug for paths L-N and L-PEN, can be 492.63 € / 963.50 лв. without VAT
