A device used to measure power, voltage and current in a three-phase supply circuit, in particular in a circuit supplying luminaires. A device that communicates with a HUBIoT-2 type edge router.
                    
                    
                    
                    
                                            measurement in three phases
                                            external current transformers
                                            communication with HUBIoT-2 edge router via RS-485 wired interface
                                            power supply independent of measured circuits