... RTU), TCP/IP (Ethernet), USBDigital I/O4 digital inputs / 6 digital outputsAlarm eventsYesMonitoringVia centralized monitoring PQ viewer/ ... kg40 kg210~480 kgEnvironmental conditionsAltitude1,500m/derating up to 4,000m, 1% / 100mAmbient temperature-5°C~+45 ... condensingProtection classIP20Reference technical standardsDesign / ApprovalsIEC 61000-4-2, 4-3, 4-4, 4-5, 4-6, 4-8, 4-11, IEC 60146, EN 55011 Class ...