PDM-803DL three-phase energy meter rail is the latest developed a new three-phase full electronic energy meter, the meter performance in line with GB / T17215-2002 national standards and national standards IEC61036 0.5 or a three-phase energy meter relevant technical requirements, can accurately and directly measure the rated frequency 50Hz or 60Hz three-phase AC power grid in the active power, total power consumption by the LCD display; with good reliability, small size, light weight, beautiful appearance, convenient installation, etc. Features. Wiring diagram Features ▲ 35mmDIN standard rail installation, complying with standard DIN EN5002; ▲ 7 digit LCD display; ▲ passive pulse output, in line with DIN43864 standards; ▲ optional RS485 communication, MODBUS-RTU protocol; ▲ programmable mailing address, baud rate and other parameters.