S7 surgace thawv luv Circuit Court thiab overload tiv thaiv kev ua haujlwm, thiab yog siv rau hauv kev lag luam, kev lag luam thiab thaj chaw teeb pom kev zoo. Lawv kuj muaj qhov zoo ntawm kev tiv thaiv qib siab (txog IP20), muaj peev xwm tawg siab, txhim khu kev qha thiab rhiab heev, yooj yim, ntau ncej installation, ntev kev pab cuam lub neej, thiab lwm yam. Ib tug ncej tsuas yog haum rau lub Circuit Court ntawm 50Hz thiab 240V AC; ob, peb thiab plaub tus ncej yog tsim rau lub voj voog ntawm 50Hz thiab 415V los tiv thaiv overload thiab luv luv Circuit Court. Lawv kuj tau siv los tig cov khoom siv hluav taws xob thiab teeb pom kev zoo rau lossis tawm hauv cov xwm txheej ib txwm muaj.