Part number: SYXZZ200/35-7, on load tap changer is a used for oil-immersed transformer electric control device.

Part number: SYXZZ200/35--7 just equals to S:three phase, Y: On load, X: Neutral point voltage regulation, Z: adopting resistance transit, Z: Direct change, 200A/ 35KV/ 7positions.

This type of on load electric control device is used for transformers has got the advantages of structure advanced, action reliable, service life long, ect.It is applying to the three phase oil-immersed transformer of 50Hz, with the rated voltage of less than 35KV, rated current of 300A and under 300A.

On load electric control device