Low Voltage CTs

Our epoxy cast and taped low voltage (LV) current transformers are available in a variety of styles, voltage classes (600V to 5 kV), and current ratios for indoor metering, relaying, control and static trip applications on insulated or non-insulated bus or cable.

Standard designs are available for window, auxiliary, current sensor, and zero sequence type CTs. Some CT designs are suitable for oil immersion and/or mounting on condenser bushings at higher voltages. Custom designs and/or modified standard designs are available.

Click the links below to learn more about our LV current transformer designs, features, standards, and ratings or, contact Polycast today to discuss your current transformer requirements:

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PICW Series PDF-icon
Indoor – Window Type
0.6kV/10kV BIL


PCW05 Series PDF-icon
Indoor – Window Type
5kV/60kV BIL


PIBCT / PIWBCT Series PDF-icon
Indoor – Bushing & Current Transformer Assemblies
5kv/60kv BIL through 38kV/170kV BIL


BCT and PICVD Style PDF-icon
Indoor – Bushing Type
0.6kV/10kV BIL


PICVZR / PCZR Series PDF-icon
Indoor – Zero Sequence Transformers
0.6kV/10kV BIL


PRCT05 / PRCT15 Series PDF-icon
Indoor – Taped
0.6kV/10kV BIL


PICA Series PDF-icon
Indoor – Auxiliary Current Transformers
0.6kV/10kV BIL


PICSNS Series PDF-icon
Indoor – Window Type
0.6kV/10kV BIL