Chint DTSU666 (AlphaESS) 30500010 3-phase 4-wire multifunction Din rail smart energymeter, 3x240/415 VAC 3x57.7/100 VAC, 100A/40mA , 50/60 Hz, Class B, LCD with backlit, pulse outputs, RS485 Modbus communication, measures multiple parameters, measures kWh, W, V, A, PF, Hz, etc (compatible with FoxESS inverters)(no box, without accessories)