Through-core runway window current transformer (also known as high-precision current transformer) is suitable for electric energy measurement, high-accuracy limit protection and current measurement of AC power system 10kV~35kV power supply system. This type of current transformer is designed for the measurement and high limit protection of the ring network cabinet and the inlet cable. It can wear two or more cables to perfectly solve the problem of multiple outlet lines. It can replace the high voltage busbar type measuring transformer (LZZB series). It is a maintenance-free product that can reduce equipment space, reduce costs, and improve reliability. It is used in fully insulated and fully sealed compact models such as Safeplus, SM6, 8DH, FB, GA/GE, SS, FIT, etc.
According to the different current ratio, accuracy level and rated load, this series of transformers is divided into the following models, the specific parameters are detailed in the corresponding parameter table of each model.

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