A.C. Static Three Phase, Four Wire, Having Dlms Protocol With Optical Port And Additional Rs-232 Port 10-60 Amp. Rating Whole Current, Class 1.0 Accuracy, Kwh Energy Meters Having Polycarbonate Meter Case And Separate Meter Box And Backlit Lcd A.C. Static Three Phase, Four Wire, Having Dlms Protocol With Optical Port And Additional Rs-232 Port 10-60 Amp. Rating Whole Current, Class 1.0 Accuracy, Kwh Energy Meters Having Polycarbonate Meter Case And Separate Meter Box And Backlit Lcd Displa