SPD (Surge Protection Device) MERSEN – STPT12-25K275V-4PGM Surge Protection Device Type 1+2, 25kA Iimp (10/350), 3Ph+N, 230/400V, 3+1 TT, 4 Poles, Pluggable, 8 Modules, Remote indication อ่านเพิ่มเติม
SPD (Surge Protection Device) iPRD20r modular surge arrester – 1P + N – 350V – with remote transfert A9L20501 อ่านเพิ่มเติม