NU6-II
1.1 Certificates: international certificates are under proceeding; 1.2 Number of poles: 1, 2,3, 4; 1.3 Electric ratings: 230/400V, AC50Hz; 1.4 Application: Protect electric system and on-loading electrical apparatus from thunder and instantaneous over-voltage; 1.5 Standard: IEC 61643-1, EN 61643-11
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