3-Phase Digital Frequency Meter, Size: 96X96Mm Suitable For Input: 50/60Hz; 800V Ac(L-L), Auxiliary Supply: 12-48V Dc, 3Va Similar To Rish Delta 3Hz Of Risabh Make. Make Required: Risabh/Socom Ec/Ae/Yokins. Hsn Code: 90303310 [ Warranty Period: 30 Months After The Date Of Delivery ] ]