11 KV and 33KV CT:PT Combined Metering Unit is an oil cooled system. This system can be made in 3 phase 3 wire and 3 phase 4 wire configurations. This is suitable to be mounted on single as well as double pole system. A meter box (sold separately) can also be attached under the unit with the help of LT gland and G.I. pipe (also sold separately). This system is widely used across the country for metering and check-metering purposes.