One of Coilcore's main products is medium voltage transformer nanocrystalline cores. Our nanocrystalline cores for current &voltage transformers are recognized for quality, longevity and adaptability for a number of years.
Our nanocrystalline cores supply medium voltage transformer up to
36kV for use in MV or HV applications . 

Current Transformers Nanocrystalline Cores
• Highest System Voltage: up to 36kV
• Primary: up to 20,000A
• Secondary: 5A/1A/0.577A (or any relay feed current value) or custom
Metering and Protection units
• Metering accuracy class: up to 0.1 (IEC 61869, IEEE C57.13)
• Protection accuracy class: up to 10P, 15P (IEC 61869) and up to C800 (IEEE C 57.13)
• Special accuracy class: class PX (IEC 61869) with specific values of Vk and Imag., PR Class, TPS, TPX, TPY and TPZ
• Burden: up to 50VA (IEC 61869) or more
• Standards: IEC 61869-1 & 2, IEEE (other international standards are available on request)

Voltage (Potential) Transformers Nanocrystalline Cores
• Highest System Voltage: up to 36kV
• Primary Voltage: up to 37.5kV
• Secondary Voltage: 100V, 110V, 120V or custom
• Multi winding VTs up to 3 windings available, Open Delta winding available
• Burden: up to 200VA (IEC 61869) or more
• Thermal Burden: 3kVA
Accuracy Class
• Metering: up to 0.1 (IEC 61869, IEEE C57.13)
• Protection: up to 10P, 15P (IEC 61869) and Class W, X, M, Z (IEEE C57.13)