Multi-phase DIN-rail 220V/380V Power/Energy Meter; dc energy power meter; power line energy meter; Multi-phase DIN-rail 220V/380V Power/Energy Meter;dc energy power meter;power line energy meter; Multi-phase DIN-rail 220V/380V Energy/Power Meter is one of the newest energy measurement products. It conforms to GB/T17215,312-2008 and IEC62053-21 standard: Static meter for active energy(Class 1 and ...