Siemens Energy Meters 7KM4220-1BA01-1EA0Siemens, 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 DC extra low voltage power supply unit 24 to 48 V + 25% screw terminal connection control panel instrument with measurement of electrical variables apparent active reactive energy cos phi THDu THDi even and odd