Feature: 1. HIGH ACCURACY: This 3 phase electric energy meter is used for active electricity measurement, with 1.0 grade high measurement accuracy. 2. DIN RAIL INSTALLATION: The energy meter is modular designed, small in size, and can be easily installed in various terminal distribution boxes. 3. RELIABLE MATERIALS: Thickened red copper terminal blocks have excellent conductivity and low consumption. PC flame retardant shell is resistant to high temperature and arc erosion. 4. LCD DISPLAY: Adopt LCD display screen, easier for reading, with L1, L2, L3, pulse, and reverse indicator lights, allowing real time viewing of status. 5. EASY WIRING: Can be directly connected for operation, this rail type energy meter has two wiring methods: standard configuration S type wiring, U type wiring optional. 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 Grade Frequency: 50HZ Display Method: LCD Display. Package List: 1 x 3 Phase Energy Meter 1 x User Manual