4000 W, 24 VDC, 230 VAC / 40 - 63 Hz, charge current 120A PV+AC, 500 Voc, self consumption 40 W, parallel connection 1x 1PH, sinewave, electronic protection, screw terminal PV 6 mm² / AC 6 mm², connection Bat M8 - 35 mm², air cooling, detachable LCD, programmable, USB, RS232, RS485, CAN, WiFi, option (GPRS), IP21