KIR Current Transformer Metering/Protection 5-15KV 5-15 kV, indoor, 60, 75, and 110 kV BIL, primary amperes: 5-1200, 60 Hz The KIR-60, KIR-75, and KIR-11 indoor current transformers are designed for relaying and metering applications. Where to Buy Publications Brochures