SENTRON PAC4220, Power Monitoring Device with color graphic TFT display PMD-III acc. to IEC61557-12 active energy class 0.2 (class 0.2S acc. to IEC62053- 22) 96 x 96 mm, 3-phase, 45 - 65 Hz Ue rated: 690/400 V Ie rated: x/1A or x/5A AC/DC wide-range power supply 95 to 250 V +-10% (AC), 110 to 270 V +-10% (DC) screw terminal connection control panel instrument with measurement of electrical variables apparent / active / reactive energy / cos phi / THDu / THDi / even and odd harmonics per phase up to 64.