toroidal core Toroids for Toroidal Power Transformer, Toroidal Current Transformer, Toroidal Choke 56 years experiencetoroidal coreToroids for Toroidal Power Transformer, Toroidal Current Transformer, Toroidal Choke, Autotransformer are made of prme CRGO silicon steel (0.27mm-0.30mm thickness) imported from USA and Japan. Scientific Silicon steel treatments are adopted to achieve excellent magnetic performances.50-60Hz Outside Diameter Φ50mm-1000mmInside Diameter Φ20mm-800mm Height 10mm-200mm

400Hz Outside Diameter Φ25mm-200mmInside Diameter Φ16mm-100mm Height 10mm-100mm