Zonal Electroplast Pvt. Ltd. was established by electrical engineers having rich experience in the field of design and manufacturing of instrument transformers.During the last few years, the company has, with in-house technology, successfully developed, many products as per the requirements of the Indoor Switchgear industry and conforming to Indian and International Standards.

Zonal is one of the leading manufacturers of Epoxy Resin Cast Indoor Medium Voltage Instrument Transformers upto 33kV and Oil Cooled Outdoor High Voltage Instrument Transformers upto 66kV in India. They are manufactured in two modern factories in Kolkata, Qualified and experienced engineers are working in Sales, Design, Production and Testing. Products are type tested at recognized institutes such as CPRI / ERDA etc.

Zonal - the name stands for a whole range of products, high product quality and short delivery periods.

Zonal major customers in India include Switchgear manufacturers such as Siemens, Andrew Yule, BCCL, Electrotecnika, Jyoti Ltd.  and power utilities such as WBSEDCL, PSEB, CESU, DHBVN etc.