The JDJ-3/6/12 oil-immersed voltage instrument transformers are of non-earthed model. The units are provided for electric systems of rated frequency of 50/60Hz. The products are designed in accordance with Standards IEC60044-2 and GB1207-2006. The products are typically used in electric energy metering, voltage controlling and relay protection applications.

The current transformer of type LB6-36 is oil insulated and outdoor product. It is used for metering electric energy, current and relay protection in electric system up to rated frequency 50Hz or 60Hz and rated voltage 36kV.

The current transformer of type LCWD-36 is oil insulated and outdoor product. lt is used for metering energy, current and relay protection in electric system up to rated frequency 50Hz or 60Hz and rated voltage 36kV.

This potential transformer is single phase, oil-filled and used outdoor product. It has many metrics, such as big capability, high precision, etc. It has three windings: the 0.2 class of one is used for metering, the 0.5 class of one is used for control, and the 3 class is used for zero sequence protection.

The JD(X)6-36 oil-immersed voltage instrument transformers are designed for outdoor service conditions. The transformers are used in single-phase electric systems of rated voltage of 36Kv and rated frequency of 50/60 Hz. The products are designed in accordance with Standards IEC60044-2 and GB1207-2006. The products are typically used in electric energy metering, voltage controlling and relay protection applications.

The potential transformer of the types JDJ(J)2-36 is single phase and oil-filled product. It is used for metering electric energy, voltage control and relay protection in the electric system up to rated frequency 50Hz or 60Hz and rated voltage 36kV.

The type current transformer is a kind of steel tank oil-immersed type of current transformer providing current and electric energy measurement and relaying protection to system with the frequency of 50/60Hz. The current transformer carries out the long operation under the conditions for 20% of rated current, It is used in the fields of altitude not exceed 4000m, and max. Change of ambient temperature not exceed -25 ~ 40.