NH/NT ????? ???? ???? ??? ??????? ???????? ?? ???
????? ?????? ??????? ????????? ??????? ???????? ?????? ?????? ????? ?????? ?????????? ???????? ?? ???? ????? 50 ????? ?????? ?????? ??? 500 ????/690 ????? ??????? ?????? ??? 1250 ?????? ?? ??? ????? ???? ?????? ???????? ???????. ????? ??????? GB13539.1-2008/IEC60269-1:2006? GB/T13539.2-2008/IEC 60269-2:2006.
- ???: NH,NT
- ????? ????????: 500V/690V
- ?????: ????? ?????? ???? ?? ??? ???? ???????