1、Advanced Measurement Capabilities: The DTS6619 050 is a three phase four wire smart energy meter designed for accurate measurement of active power and variable parameters in three phase systems. 2、WiFi for Smart Control: Equipped with WiFi communicating, this energy meter allows remote reading and control through the for Tuya app, ensuring seamless connectivity and convenience for users. 3、Robust Structure: With a long lifespan and a backlit display, this meter boasts high stability, overload capacity, low power consumption, and a compact size, suitable for any setup. 4、Comprehensive Data Display: The meter provides detailed insights by displaying total active energy, positive and negative energies, phase voltages, phase power, power factors, and frequency measurements. 5、Negative Energy Measurement Feature: Designed with innovative technology, this meter can measure both positive and negative active energy, offering a complete understanding of energy consumption dynamics. Item Type: 3 Phase WiFi Power Meter Material: Flame Retardant PC Frequency: 50 60HZ Rated Current: 3x5(100)A Rated Voltage: 3x230V 400VAC Voltage Range: 85-300V (L to N) Accuracy: Class 1 Starting Current: 40mA (min. measurement value) Power Consumption: <2W 10VA WiFi: 802.11b g n, only supports 2.4GHz network, not compatible with 5GHz network Relay Control: Instrument relay signal output for controlling the AC contactor switch Installation: 35mm standard rail mounting 1 x Energy Meter 1 x User Manual