N8UE-1+2 G12.5 275V 3PN R B+C surge arrester with alarm contact 1NO
N8UE Type 1+2+3-G12.5-300V 4P type surge arrester with alarm contact 1NO
N8UP1+2-PV50 3P, DC1000V, T1+T2 type surge arrester, 6,25kA, with alarm contact 1NO
N8UP1+2-PV50 3P, DC1000V, T1+T2 type surge arrester, 8kA, with alarm contact 1NO

