Function: 1. HIGH ACCURACY: This 3-phase electricity meter is used to measure active energy, with a measurement accuracy of 1,0 degree. 2. DIN RAIL MOUNTING: The energy meter ma modular design, ma small size and can be easily installed in various distribution boxes with terminals. 3. RELIABLE MATERIALS: Bold red copper terminal blocks have excellent conductivity and low wear. The flame retardant PC coating is resistant to high temperature and arc erosion. 4. LCD DISPLAY: Adopt LCD display screen, easier to read, with L1, L2, L3, pulse and reverse indicator controls, allowing you to view the status in real time. 5. EASY WIRING: Can be directly connected to work, this rail type energy meter ma two wiring methods: standard S type wiring configuration, optional U type wiring. Specification: Item Type: 3-Phase Energy Meter Material: PC flame retardant, red copper Model: DTS6619 0028 Current: 3x5 (100) A Voltage: 3x230/400V Current Ratio: 400imp/kWh Accuracy: 1 degree Frequency: 50 Hz Display Method: LCD Display How to use: Install according to the electrical diagram and use. List of packages: 1 x 3-phase energy meter 1 x User Manual