IEEE C12.11-1987 - American National Standard for Instrument Transformers for Revenue Metering, 10 kV BIL Through 350 kV BIL (0.6 kV NSV through 69 kV NSV)
Standard Details
The general requirements, metering accuracy, theremal ratings, and dimensions are established for current and inductively coupled voltage transformers for revenue metering. Both indoor and outdoor types are covered.
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