Voltage class up to 25KV Current from 5A to 10000A Loads from 2.5VA to 800VA Thermal factor from 1.0 to 2.0 For indoor or outdoor applications Accuracy class according to customer standards or needs Temperature class B - 130°C Frequency 50 or 60Hz Produced with low loss silicon steel "M4" Our TC's are produced according to the customers' application needs in the models below: - Window type, for use in cables and busbars - Rolled primer, for low ratios - RM - multi relation Tamura uses in its measurement transformers a normal Safety Factor of 7 x IN. We meet the standards: WING ABNT EB251 NBR 6856-6821 ANSI 57C13 IEC 60044-2 Class P