STC-D AC Contactor waa qayb koronto oo loo isticmaalo in meel fog laga maamulo oo si joogta ah loo damiyo ama loo damiyo wareegyada AC. Waxaa inta badan loo isticmaalaa furitaanka iyo xakamaynta wareegyada ee nidaamyada korantada korantada iyo kantaroolka fog ee matoorada, nalalka iyo culeysyada kale ee korantada ee automation warshadaha.Beddelka hadda (AC) Contactor, i.e. STC-D AC Contactor, waa qalab muhiim ah oo kontoroolka korantada ah, oo ciyaaraya door aan la bedeli karin oo ku yaal berrinkii nidaamka korantada iyo qalabaynta warshadaha.