Kev Piav Qhia Luv:

Cov khoom ntawm S7 yog cov khoom lag luam siab heev ntawm xyoo 1990 hauv ntiaj teb es tsis yog

cov tiam laus dua ntawm S7.Lawv muaj kev tiv thaiv ua haujlwm tsis txaus raws li overload, thiab siv

nyob rau hauv lub teeb pom kev zoo faib khoom hauv kev lag luam, kev lag luam thiab kev nyob, thiab tiv thaiv fractional

cov neeg sau ntawv hluav taws xob. Thiab lawv kuj muaj ntau yam zoo ntawm qib tiv thaiv siab (txog IP20), siab

muaj peev xwm tawg, txhim khu kev qha kev txiav txim siab, yooj yim, sib dhos ntau yam, lub neej ntev thiab lwm yam.

Lawv feem ntau yog hloov kho rau lub voj voog ntawm AC 50Hz, 240V hauv ib tus ncej, 415V hauv ob chav,

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

thaum tig lossis tua lub tshuab hluav taws xob thiab lub teeb pom kev zoo raws li qhov xwm txheej ib txwm muaj.