Small size, lger weight, good reliability and easy installation. Mounts on a standard 35 mm DIN rail according to DIN EN50022. Six widths according to DIN43880 (12.5 mm module). Standard 5+1 configuration (99999.1KWh) digital display. The pulse output of Standard configuration is passive (with polarit) and the pulse distance output can be passive (without polarit). Easy access to different AMR systems in accordance with IEC 62053-31 and DIN43864. Features: Two-color LED indicates power status (green) and energy pulse signal (red) single-phase two-wire single-channel active power measurement. It has nothing to do with the direction of the charging current. Complies with IEC 62053-21 Direct connection operation, two cblage methods. Standard configuration S-type shabbing, optional U-type shaving. Extend the terminal cover to protect the safety of use. Spcification : Item type: DIN. Model: DDM75S Voltage spcification: 220 V/230 V 50/60 Hz Frquence: 50/60 Hz Current spcification: 5(20)A Isolation performance: AC voltage 4KV, 1 minute, waveform pulse voltage 1.2/50us 6KV Display mode: (5+1) digital display Installation method: Rail Weight: 246g / 8.7oz (approx Package List: 1 * DDM75S