This is a high-quality and low-losses toroidal iron core with considerate services. It is ideal for toroidal power transformer, toroidal current transformer, toroidal choke and auto transformer. Scientific silicon steel treatments are adopted to achieve excellent magnetic performances.

• Size: 50-60hz
• Outside diameter: 50mm-1000mm
• Inside diameter:20mm-800mm
• Height: 10mm-200mm
• Size: 400Hz
• Outside diameter: 25mm-200mm
• Inside diameter: 10mm-100mm
• Height: 10mm-100mm