ERFA Industries Group |
These high-voltage of transformer coil in new type series transformer - S11& S13, adpots new oil duct structure, with reasonable design, optimize the insulation technology, improve the mechanical strength and anti-short circuit ability. The core is made of high quality cold-rolled silicon steel sheet, with five step lamination process, the surface coating curing paint, reduce the loss and noise. Appearance is beautiful, easy and reliable operation.