1.Relay type stabilizer 2.Fast delivery time and good price. 3.CE certificate 4.15 years manufacture experience Relay type voltage regulators (TZ type ... ):1.Model No.TZ-350VA, TZ-500VA, TZ-800VA, TZ-1000VA, TZ-1500VA, TZ-2000VA, TZ-3000VA, TZ-5000VA, TZ-8000VA and TZ-10000VA 2.General:TZ relay singlephase voltage stabilizer adopts ...