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200A Split Core Current Transformer <<<DISCONTINUED>>>


The Crestron® GLS‑EM‑CT is a current transformer designed for use with a GLS‑EM‑MCU Crestron Green Light® Power Meter Control Unit. Current transformers are vital to metering power. Crestron offers various split-core models, solid-core models, and high accuracy equivalents for all models.

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Key Features

  • Provides detailed branch circuit data to a GLS‑EM‑MCU Crestron Green Light® power meter control unit
  • +/- 1% measuring accuracy at 10% to 130% of rated current
  • Twisted pair wire leads
  • Easy Installation over existing wiring

Product Overview


Crestron® GLS‑EM‑CT split core current transformers are designed for use with a GLS‑EM‑MCU Crestron Green Light® Power Meter Control Unit1 and are essential for reporting branch circuit data to the unit.

Wire Leads
GLS‑EM‑CT transformers are furnished with a twisted pair of wires that connect to a GLS‑EM‑MCU Power Meter Control unit. The wire leads can be trimmed and stripped for specific applications.

Easy Installation
Split core transformers are placed around existing wire feeds by detaching and reattaching the transformer's removable clamp and wiring the leads to a GLS‑EM‑MCU. This method allows for minimal disturbance of existing installations.

  1. To prevent wire noise, the maximum distance between a GLS-EM-MCU or GLS-EM-CTI and a GLS-EM-CT should not exceed 50 ft (15.24 m). This maximum distance applies to the following product models: GLS-EM-MCU, GLS-EM-CTI-* and GLS-EM-CT-*.

This product may be purchased from select authorized Crestron dealers and distributors. To find a dealer or distributor, please contact the Crestron sales representative for your area. A list of sales representatives is available online at or by calling 855‑263‑8754.

This product is covered under the Crestron standard limited warranty. Refer to for full details.

The specific patents that cover Crestron products are listed online at

Certain Crestron products contain open source software. For specific information, please visit

Crestron, the Crestron logo, and Crestron Green Light are either trademarks or registered trademarks of Crestron Electronics, Inc. in the United States and/or other countries. Other trademarks, registered trademarks, and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Crestron disclaims any proprietary interest in the marks and names of others. Crestron is not responsible for errors in typography or photography. Specifications are subject to change without notice. ©2020 Crestron Electronics, Inc.

Product Specs

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