HOME PRODUCTS DIGITALIZATION SUSTAINABILITY ABOUT US NEWS CONTACT Search ABOUT US The Trench and HSP Group is a world leader in power engineering and the design of specialized high voltage electrical products serving customers in the utility and industrial markets around the globe. Our product portfolio includes Bushings, Instrument Transformers, and Coil Products. Trench products are installed in every corner of the world and have proven their reliability over decades. Trench and the companies forming the Trench Group have always been front runners in all three fields of the business. With the patent on Oil impregnated paper condenser type bushings in 1937, Emil Haefele laid the foundation for the Trench Bushing business. In Instrument transformers the Trench Group is a technology leader since 100 years, when in Italy the first paper oil Instrument transformers were produced. And Tony Trench, the founder of the Trench Group was a real pioneer developing Air core reactors in the early 1960s. In 2004 Siemens acquired Trench, and as at 2020 belongs to Siemens Energy. The Trench and HSP Group with around 3.000 employees and 10 factories is today part of the Siemens Energy Transmission Products business. OUR LOCATIONS © 2021 Siemens Energy

HOME PRODUCTS DIGITALIZATION SUSTAINABILITY ABOUT US NEWS CONTACT Search DOWNLOADS Are you interested in our Trench France Brochures, please download here: Product Portfolio (PDF – 2,07 MB) For our Product Brochures please select from the main Product Segment Groups at the left. Please download the general Product Segment Brochures here: Product Spectrum Bushings (PDF – 334.49 kB) The Trench General Terms and Conditions of Supply for your information: International Terms & Conditions (PDF – 285.03 kB) Declarations on REACH (Trench France): Reach BU-2021 (PDF – 429.00 kB) ISO Certificates (Trench France): ISO 9001 ISO 14001 ISO 45001 INDEX EQUALITY between men and women Trench France Index equality 2020 © 2021 Siemens Energy