Product Variety

Over 10,000 Product Styles to date… Polycast is dedicated to excellence in product development and manufacturing. With over 10,000 product styles designed and engineered to date, we have proven expertise in epoxy cast product design and development, and have set the standard in many market segments in North America for epoxy cast electrical parts. We offer a complete product design and development service, as well as a large selection of standard insulator, bushing and current transformer designs. Click the links below to learn more about our product offerings or, contact us to discuss your product requirements today.

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Indoor/Outdoor Insulators

A wide variety of standoff electrical insulators for switchgear and other power applications in various voltage classes


Indoor/Outdoor HV & LV Bushings

Hundreds of styles of electrical bushings in various voltage classes and current ratings for switchgear, transformer and other power apparatus applications

Current Transformers

Current & Instrument Transformers

Hundreds of styles of indoor and outdoor cast and wrapped low and medium voltage current transformers in various voltage classes and winding ratios for metering, relaying and control applications

Custom & Retrofit

A wide array of replacement and retrofit parts for obsolete and unique electrical insulating products and applications; hundreds of end-of-line standard items from leading and niche manufacturers