Lus piav qhia luv luv:

Cov khoom ntawm S7 yog nyob rau qib siab ntawm lub nineties nyob rau hauv lub ntiaj teb no es tsis txhob ntawm lub

cov laus tiam ntawm S7.Lawv muaj kev tiv thaiv muaj nuj nqi raws li tsis txaus raws li overload, thiab siv

nyob rau hauv teeb pom kev zoo tis system nyob rau hauv industy, kev lag luam thiab lub tsev, thiab tiv thaiv fractional

hluav taws xob notors. Thiab lawv kuj muaj ntau qhov zoo ntawm qib kev tiv thaiv siab (txog IP20), siab

tawg peev xwm, txhim khu kev qha rhiab heev, yooj yim, multipole assembing, lub neej ntev thiab lwm yam.

Lawv tsuas yog hloov mus rau lub voj voog ntawm AC 50Hz, 240V hauv ib tus ncej, 415V hauv ob npaug,

peb, plaub ncej rau kev tiv thaiv overload thiab luv luv Circuit Court. Lub caij no, lawv kuj siv tau

nyob rau hauv tig los yog tua hluav taws xob apparatus thiab teeb pom kev zoo Circuit Court nyob rau hauv ib txwm mob.