Toroidal Current Transformers

Toroids, or Donut CTs, are solid-core current transformers that require the conductor to be disconnected in order to be installed. The trade-off for this is a lower cost than split-core CT. Each Toroid part number designates output type (mA or mVAC) and accuracy (Class 1.0 – Class 0.2). Refer to the table below to select the proper Toroid needed.