The Trench Group is a leader in power engineering and the design of specialised high voltage electrical products, serving customers in the utility and industrial markets. The company’s product portfolio includes instrument transformers, bushings and coil products.

The Trench Group offer a broad product range as well as solutions covering various applications and voltage levels to meet customer expectations. Trench products are installed in every corner of the world and have proven their reliability over decades.

The portfolio includes instrument transformers for AIS and GIS, up to 800kV. Various insulation technologies are used, such as clean air, conventional gas and both eco-friendly and conventional fluids. 

In the coil products range, The Trench Group portfolio includes air core reactors for both AC and DC applications, up to 800kV. It also features an earth fault protection system that comprises arc suppression coils and associated electronics.

 Finally, The Trench Group markets transformer and substation bushings for both AC and DC applications, up to 1200kV. Like the transformers, various insulation technologies are adopted, such as RIS, RIP, and both eco-friendly and conventional fluids.