Surge arrester, type 2, requirement class C, UC 350V, pluggable protective modules 4-pole, 3+1 circuit for TN-S and TT systems with FRN display, narrow type of construction
Surge arrester, type 2, requirement class C, UC 350V, pluggable protective modules 4-pole, 3+1 circuit for TN-S and TT systems with FRN display, narrow type of construction