... 2) small,high precision 3) wide regulation,reliable 4) low loss, anti-distortion AC VOLTAGE STABILZIER.220V single phase ac voltage stabilizer, voltage regulator, auto voltage ... regulator.SVC- 500VA, 1000VA, 1500VA, 2000VA, 3000VA, 5000VA, UP TO 90KVA.Features of AC voltage stablizer.SVC ...