The technology we have introduced should result in substantial economic benefits for the polymer-housed surge arresters, surge protection devices, D30 High Performance MOVS size we produce. Are you looking for high performance high and medium voltage distribution class Nominal Discharge Current 10kA MOVs IEC 60099-4 2014? TIANGONG, as one of the best Nominal Discharge Current 10kA MOVs suppliers, is a reliable China manufacturer who has distribution networks and offers the test. Welcome to check the size with our factory.