Current Transformers

Current Transformers v4

Polycast designs and manufactures hundreds of styles of indoor and outdoor epoxy-resin cast and wrapped low and medium voltage current transformers (CTs) in various voltage classes and winding ratios for metering, relaying and control applications. We offer a large selection of standard designs as well as a custom design, engineering and manufacturing service.

From the links below, select a voltage type to view a list of standard current transformers we manufacture for that type or, contact Polycast today to discuss your current transformer requirements:

Contact us…

Standards and Ratings Summary PDF-icon
Provides summary data for all
Polycast current transformers

 LV Current Transformer

Low Voltage Current Transformers
Indoor & Outdoor – Various Styles
0.6kV (10kV BIL) through 5kV (60kV BIL)
Single, Dual and Multi Ratio Windings

 MV Current Transformer

Medium Voltage Current Transformers
Indoor & Outdoor – Various Styles
5kV (10kV BIL) through 38kV (170kV BIL)
Single, Dual and Multi Ratio Windings