Ukuvikelwa kwe-surgekukho kokubili amandla kanye nemigqa yesignali kuyindlela engabizi kakhulu yokonga isikhathi sokuphumula, ukwandisa isistimu nokuthembeka kwedatha, nokuqeda umonakalo wemishini obangelwa ukuhamba nokunyuka.Ingasetshenziselwa noma yiluphi uhlobo lwendawo noma umthwalo (ama-volts angu-1000 nangaphansi).Okulandelayo yizibonelo zokusetshenziswa kwe-SPD emikhakheni yezimboni, ezohwebo, neyokuhlala:

Amakhabethe okulawula, izilawuli ezinengqondo ezihlelekayo, izilawuli zezimoto zikagesi, ukuqapha kwemishini, amasekhethi okukhanyisa, ukulinganisa, okokwelashwa, imithwalo ebucayi, amandla ayisipele, i-UPS, kanye nemishini ye-HVAC zonke ziyizibonelo zokusabalalisa amandla.

Izifunda zokuxhumana, izintambo zocingo noma zefeksi, izifunzo zekhebula le-TV, izinhlelo zokuphepha, amasekhethi okusayina i-alamu, isikhungo sokuzijabulisa noma okokusebenza kwe-stereo, ikhishi noma izinto zikagesi zasekhaya

Ama-SPD achazwa kanje yi-ANSI/UL 1449:

Thayipha 1: Ixhumeke unomphela, eklanyelwe ukuxhuma okwesibili kwesiguquli sesevisi ohlangothini lomugqa wesevisi nqamula idivayisi ye-overcurrent (impahla yesevisi).Umsebenzi wabo oyinhloko ukuvikela amazinga okushisa esistimu kagesi ekukhuphukeni kwangaphandle okubangelwa umbani noma ukushintsha kwebhange kwe-utility capacitor.
Uhlobo 2: Ixhumeke unomphela ohlangothini lomthwalo wesevisi nqamula idivayisi yamanje (impahla yesevisi), okuhlanganisa nezindawo zephaneli yomkhiqizo.Umgomo oyinhloko walaba bavikeli bokuhlinzwa ukuvikela izinto zikagesi ezizwelayo kanye nemithwalo esuselwe kuma-microprocessor emandleni ayinsalela ombani, ekuhlinzeni okukhiqizwe yizimoto, nezinye izehlakalo zokuhlinza ezikhiqizwa ngaphakathi.

Uhlobo 3: I-At-the-Point-Of-Use Kusukela kuphaneli yesevisi kagesi ukuya endaweni yokusetshenziswa, ama-SPD kufanele akhiwe ngobuncane bekhondatha ubude obungamamitha angu-10 (30 amafidi).Ama-SPD axhunywe ngentambo, i-plug-in eqondile, kanye nohlobo lwe-receptacle ayizibonelo.

Uhlobo 4 : I-SPD (Ingxenye Eyaziwayo) Umhlangano Wengxenye -– Le mihlangano yezingxenye yenziwe ingxenye eyodwa noma ngaphezulu ye-SPD ye-5, kanye nesinqamuli (yangaphakathi noma sangaphandle) noma indlela yokudlulisa i-UL 1449, Isigaba 39.4 samanje esilinganiselwe izivivinyo.Lena imihlangano ye-SPD engaqediwe evame ukufakwa ohlwini lwezinto ezisetshenziswayo uma yonke imingcele yokwamukela ifinyelelwa.Le mihlangano yengxenye yoHlobo lwesi-4 ayivunyelwe ukufakwa enkundleni njenge-SPD ezimele ngoba ayiphelele njenge-SPD futhi idinga ukuhlolwa okwengeziwe.Ukuvikela okudlulele kuvame ukudingeka kulawa madivayisi.

Thayipha 5 SPD (Ingxenye Eyaziwayo) — Amadivayisi okuvikela ingxenye ehlukanisiwe, njengama-MOV, angafakwa ebhodini lesekethe eliphrintiwe futhi axhunywe ngemikhondo yawo, noma angagcinwa endaweni ebiyelwe ngokunqanyulwa kokukhwezwa nokufaka izintambo.Lezi zingxenye zohlobo 5 lwe-SPD azanele njenge-SPD futhi kufanele zihlolwe ngokuqhubekayo ngaphambi kokuthi zifakwe emkhakheni.Thayipha ama-SPD angu-5 ngokuvamile asetshenziswa ekwakhiweni nasekukhiweni kwama-SPD agcwele noma ama-SPD ahlangene.