5SD7442-1
Reference : 5SD7442-1
Combination arrester type 1+2 Requirement class B+C, UC 350V Pluggable protective modules 2-pole, 1+1 circuit for TN-S and TT systems with remote display
Reference : 5SD7442-1
Combination arrester type 1+2 Requirement class B+C, UC 350V Pluggable protective modules 2-pole, 1+1 circuit for TN-S and TT systems with remote display