Legrand combination arrester for 40 mm busbar system, type 1+2+3/Class I+II+III according to IEC/EN 61643-11, 3+1 circuit, TT/TN-S systems, spark gap basis, leakage current free, nominal voltage 230/400VAC, lightning impulse current Iimp (10/350) 7.5 kA/pole. Highest continuous voltage (Uc) 300 VAC. For use in facilities and buildings without external lightning protection. For protection against overvoltages of downstream consumers caused by indirect lightning strikes or switching operations.
