Feature 1 Multifunctional energy meter, display total power, current, voltage, power, power factor, frequency, etc. 2 Three-phase energy meter, can be powered off, with backlight, with switch output. 3 With RS485 remote reading meter function, you can accurately measure the active energy. 4 The energy meter uses a large-screen LCD display, and the reading is more clear and convenient. 5 Adopting DIN-rail mounting method, the installation is more time-saving and labor-saving.Item Type: Energy MeterModel: DTS6619-016 (liquid crystal display)Reference Voltage (Un): 220 / 380V 230 / 400V 240 / 415VWorking Voltage: 181 / 279V-300 / 500V AC (3 ~)Rated Current (Ib): 1.5A 5A 10A 15A 20A 5A 30AMaximum Current (Imax): 6A 20A 40A 60A 80A 100A 100AStarting Current: Not more than 0.004bTolerance Overload Current: 30Imax 0.01 secondsWorking Frequency: 50Hz 10%Internal Power Consumption: No more than 2W / 10VAPulse Constant: 400imp / 1600impData Storage Time: > 20 yearsOperating Humidity: Not more than 75%Working Temperature: -10 ~ + 50 Storage Temperature: Not more than 95%Storage Humidity: -30 ~ + 70 International Standard: IEC 62053-21Accuracy: Level 1Dust And Water Resistance: IP 51Protective Insulation Closed Instrument Type: II Package List 1 x Energy Meter 1 x English Manual