DTS986 electronic DIN rail active energy meter is a kind of new style three phase four wire active energy meter, it adopt micro-electronics technique, and imported large scale integrate circuit, use advanced technique of digital and SMT techniques, etc. The meter completely accord with relevant technical requirements of class 1 three phase active energy meter stipulated in international standard IEC 62053-21. 

It can accurate and directly measure 50Hz or 60Hz active energy consumption from three phase AC electricity net. it has following features: good reliability, small volume, light weight , specious nice appearance, convenient installation, etc.