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K-11 > >> Low Voltage VT & AVR & CT & PT Current Transformer 1. Application BH-0.66 I Current Transformer To be used in combination with measurement instruments: ammeters, watt-hour meters, measurement units, control relays, etc. 2. Technical data 2.1 Secondary current Isn: 5A 2.2 Rated voltage Ue:660 V 2.3 Frequency: 50/60 Hz 2.4 Instrument security factor (FS): 10 2.5 Operating tempe