... good price. 3.CE certificate 4.15 years manufacture experience Relay type voltage regulators (TZ type):1.Model No.TZ-350VA ... TZ-5000VA, TZ-8000VA and TZ-10000VA 2.General:TZ relay singlephase voltage stabilizer adopts double sampling, double stabilizing voltage, and ... electronic automatic controller, which adopts time-base IC for time-delay. It has advantages of quick work, accurate timing, steady ...