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. Specification: Item Type: Energy Meter Model: DTS6619-016 (liquid crystal display) Reference Voltage (Un): 220 / 380V 230 / 400V 240 / 415V Working Voltage: 181 / 279V-300 / 500V AC (3 ~) Rated Current (Ib): 1.5A 5A 10A 15A 20A 5A 30A Maximum Current (Imax): 6A 20A 40A 60A 80A 100A 100A Starting Current: Not more than 0.004b Tolerance Overload Current: 30Imax 0.01 seconds Working Frequency: 50Hz ± 10% Internal Power Consumption: No more than 2W / 10VA Pulse Constant: 400imp / 1600imp Data Storage Time: > 20 years Operating Humidity: Not more than 75% Working Temperature: -10 ℃ ~ + 50 ℃ Storage Temperature: Not more than 95% Storage Humidity: -30 ℃ ~ + 70 ℃ International Standard: IEC 62053-21 Accuracy: Level 1 Dust And Water Resistance: IP 51 Protective Insulation Closed Instrument Type: II. Package List: 1 x Energy Meter 1 x English Manual