1. According to the installation location, it can be divided into indoor and outdoor. 20kv and below indoors; 35kv and above.
2. According to the installation method, it can be divided into wall-through type, support type and load type.
3. According to the insulation, it can be divided into dry type, cast type, oil immersed type and the like.
4. According to the number of winding turns, it can be divided into single-turn type and multi-turn type. The single-turn type is divided into a through type and a bus type.
5. According to the working principle of the current transformer, it can be divided into electromagnetic, capacitive, photoelectric and radio.www.ctsensorducer.com/