1、[RAIL MOUNTING] This meter is a 3 phase 7P rail mount with good reliability, small size, light weight and easy installation. 2、[LCD DISPLAY] This meter has an LCD display with clear, easy to read digits that can be read in low light conditions. 3、[FLAME RETARDANT HOUSING] This meter has a flame retardant housing, good impact resistance, heat resistance, low temperature resistance, excellent insulation, and ruggedness. 4、[COPPER TERMINAL BLOCK] This meter has a pure copper terminal block with good conductivity, ductility and corrosion resistance to ensure long term operation of high currents. 5、[LED INDICATOR] The LED pulse indicator of this meter can accurately calculate active consumption with high accuracy and ease of use. 1 x Digital 3 Phase Energy Meter1 x User Manual Item Type: Digital 3 Phase Energy MeterMaterial: ABS, copperSize: Approx. 123 x 100 x 65mm / 4.8 x 3.9 x 2.6inVoltage: 230, 400VReference Current: 3X5 (100) A, Frequency 50 HzConstant Pulse: 400imp/kWhDisplay: 6 and 1 LCDPower Consumption: 2W, 10VAMounting: 35mm DIN railColor: White