... 3.Measure up IEC and ANSI standards MOV blockZnic oxide varistor is used for Zinc Oxide Surge Arrester,it is the most important ... characteristic, hence the zinc oxide varistor is a very important components applied to surge arrester Features of the MOV Disks:1. Excellent non ... 01.77100250HDV-141034224/1.01.77100250HDV-151044230/1.01.77100250 MOV(metal oxide varistor) blockD31,D35,D40,D42,D52,D60,D72