- Installation way: mobile, surface mounted, concealed;

- Whether the socket is equipped with protection device: no protection device, with fuse, with miniature circuit breaker;

- Whether the socket is equipped with interlocking device: no interlock, mechanical interlock, electrical interlock;

- Whether the socket has a safety transformer: no transformer, with transformer;?

-Operating temperature:?-30℃~+60℃，the highest up to +80℃:?

-Rated voltage:?20V~25V、40V~50V、100V~130V、200V~250V、380V~415V、480V~500V、600V~690V；?

-Rated frequency: 50/60Hz、100Hz、300Hz、300-500Hz；?

-Rated currency: 16A、32A、63A、125A、200A、250A、400A；?

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-Poles: 2P、2P+PE、3P+PE、3P+N+PE；?

-Point location: 2h、3h、4h、5h、6h、7h、8h、9h、10h、11h；

-Protection grade: IP44、IP67.