5-100A AC 50Hz-60Hz 3X220/380V-3X230/400V Three-phase, four-wire LCD wattmeter on DIN rail Modbus-RTU RS485 Features of a Multipurpose Electronic Power Consumption Energy Meter: Electronic Type: Three Phase, Four Wire Reference Voltage: 3 X 220/380V---230/400V; Material: Metal + ABS Citation Current Rated: 3 X 5 (100) A Frequencies: 50 Hz and 60 Hz Pulse Constant: 400 imp/kWh LCD 6 + 1 display ≤2W, 10VA RS485 Communication Power Consumption The MODBUS-RTU protocol Note: The meter only uses the Modbus to read data; it has no relay inside! 35mm DIN rail for installation The meter is a rotating display with multiple functions: Each phase's energy (KWh) and reactive energy (kV Arh) Each phase's voltage, current, power, power factor, and frequency are automatically determined. Qualities: 1. This energy meter can communicate via RS485 protocol. 2. The total power consumption is displayed on a six-digit LCD display. 3. It has