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: Features an LCD display screen for easy reading, with L1, L2, L3, pulse, and reverse indicator lights for real-time status monitoring. 5. EASY WIRING: Can be directly connected for operation; this rail type energy meter supports two wiring methods: standard configuration S type wiring, with 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