... reduce the labor force of the electricity board for calibrationg power meters, the feature of the products are anti-thief, ... long life, high accuracy, high reliability, low power consumption small volume, light weight, the meter is up to ... Rated voltage (V) Rated current (A) Connection Three phase four wire adive energy electronic type watthotu meterDTS48013x380/2203x1.5(6), 3x3(6)CT3x5 ...