

Under the REYROLLE brand, Siemens Protection Devices Limited is a leading supplier of electrical protection devices.
Since 1886, when Mr A. C. Reyrolle established a small workshop in London, the REYROLLE brand has been prominent at all stages of the power supply chain from generation to large end-users. Based in Hebburn, Tyne and Wear, UK we design and manufacture relays for the world-wide protection and control market.
We are committed to high technology development and manufacture with full use of the latest software at all stages of product development, manufacture and testing. This can be seen in the latest digital products that REYROLLE offer and is continuing with new innovations as part of the Siemens group.
This website contains the information required to specify, install and commission the main REYROLLE products and also provides the latest ReyDisp Evolution software for communicating with the devices. If you are unable to find the information you require or have a question please use the Contact Us section.
Download our Company Overview presentation (PDF format - 508k)
For Siprotec information please follow the link: www.siemens.com/siprotec