The DTSU193 three-phase four wire electronic energy meter (rail) is a product manufactured using advanced microelectronics technology and SMT production process. This product is used for measuring three-phase AC active energy with a rated frequency of 50HZ (or 60Hz).

This three-phase active energy meter is an ideal measuring instrument for residential electricity billing, with high measurement accuracy, agility, performance, wide load, low power consumption, small size, light weight, simple operation, and easy installation. This product meets all technical requirements for electronic energy meters in GB/T17215.321-2021 standard.