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Description / Abstract:
This standard is intended to define the requirements for current transformers with a maximum of secondary output of 250 milli-amperes. These requirements of ratios. Accuracy classes, burdens and test methods supplement but are not subordinate to IEEE C57.13™ Standard Requirements for Instrument Transformers.
Purpose
The Purpose of this standard is to provide the performance requirements for electrical system and test Interchangeability for current transformers with milli-ampere output. These transformers are for both indoor andoutdoor applications