Model: Electricity Meter On Din Rail Xtm75S-U. It Is 6 Poles Wide (12.5Mm Module), Concompatible Withming To Jb/T7121-1993 Standards. Can Select 5+1Lcd Digit Display (99999.1Kwh).High Quality: Brand New And High Quality, Standard Configuration One Passive Pulse Output Port (Polarity), Can Be Connected Select Increase A Passive (Non-Polarity) Pulse Output Remote Port, Compliant With; Iec 62053-31Advantage: Measurement Of Single-Phase Active Energy Consumption At Two Sons. It'S Nothing With The Direction Of The Charging Current. Complies With; Standard Iec 62053-21.Comcompatible Witht: Installation On Standard 35 Mm Din Rail, Compliant With; The Din En50022 Standard. The Standard Configuration Does Not Detect The Direction Of The Load Current. Can Select Automatic Detection In The Direction Of Load Current Flow. And Instructions By Individual Led.Use Safely: Short Covers Of Standard Configurations Can Select Extension Terminal Cover To Protect Safe Use ;.