W-260A/300B/400C/500D(M) CNC Circular/current Winding Machine for CT YW-260A/300B/400C/500D/500DM current transformer toroidal CNC wire winding machine is on the basis of introducing of foreign technology, and according to the domestic transformer industry new workmanship requirements, researching and developing by ourselves, high precision, new type, current transformer dedicated toroidal winding machine. This machine is widely using for winding kinds of toroidal current transformer coils. Especially suitable for the small-lot, varieties wire coils winding.   Main Technique Parameter Name/Model YW-260A YW-300B YW-400C YW-500D/500D(M) Wire diameter Φ0.5~2.6 mm Φ0.5~2.6 mm Φ0.5~3.2 mm Φ0.5~3.2 mm Finished coil min.inner dia Φ35 mm Φ50 mm Φ60 mm Φ60 mm Finished coil max.outter dia Φ260 mm Φ50 mm Φ450 mm Φ550 mm Finished coil max.height 70 mm 100 mm 140 mm 250 mm Winding max.speed 100 rp/m 100 rp/m 100 rp/m 100 rp/m Total power 1.5 KW 1.5 KW 1.5 KW 1.5 KW Total weight 260 kg 300 kg 350 kg 364 kg Size (mm) 600*1000*1200 700*1000*1300 700*1000*1400 850*1000*1500