Phase 1IEC

CT / PT Sizing Calculator

IEC 61869-2 / IEC 61869-3

Calculate current transformer and voltage transformer accuracy class, burden, knee point voltage for protection and metering applications.

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Results are for guidance only. All calculations must be verified by a qualified electrical engineer before implementation. Always refer to the applicable local standard and authority having jurisdiction.
Standard:

Calculator Coming Soon

The CT / PT Sizing Calculator calculator is being built with full IEC 61869-2 / IEC 61869-3 compliance. Input form, calculation engine and PDF export will be available here.

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