Khoom kom zoo dua

1. Lub plhaub ncej muaj qhov siab 1P + N ob chav breakpoint (18 modulus 40a) thiab muaj peev xwm tawg siab (6ka)
2.Nws muaj qhov chaw sib cuag qhia qhov rais thiab muaj kev ruaj ntseg dua.
3.tam sim no-limiting tiv tauj system magnetic blown arc extinguishing ntaus ntawv. zam cov khoom lag luam thiab cov khoom siv los tiv thaiv qhov luv luv tam sim no, txhim kho cov khoom lag luam arc extinguishing Muaj peev xwm los xyuas kom muaj kev txhim kho ntawm kev tawg.
4. Lub plhaub thiab cov yuam sij ua haujlwm yog ua los ntawm cov khoom siv PA nylon nrog cov nplaim hluav taws kub hnyiab, kub tsis kam thiab cuam tshuam.
5. Nws cov duab yog tshiab, nws cov qauv tsim nyog, thiab nws muaj ntau yam kev tiv thaiv patent.
6. Cov khoom tsis tsuas yog muaj overload, luv Circuit Court, leakage tiv thaiv muaj nuj nqi.