R3&A Limited   Your Partner in Lightning and Surge Protection Solutions, and Domotics
R3&A Limited is a Canadian, independent, private owned company located in Cobourg, Ontario offering complete solutions of Surge and Lightning Protection, and Domotics - Home Automation - Systems. We have strong and close partnerships with well known suppliers like DEHN and TELETASK and are their exclusive business partner for the Canadian market. R3&A Limited offers extensive support and customer service on the spot. Additionally, we organise seminars and lectures, and supply detailed information and designing material. R3&A Limited is an independant company with over 25 years of experience in the lightning and surge protection and home automation.


External Lightning Protection System Design More comprohensive than CSA B-72, UL 96 and NFPA 780, the IEC 62305 provides for a more robust external lightning protection system. R3A and DEHN provide design assistance from engineering through installation. Internal Lightning and Surge Protection System Design We offer comphrehensive planning and design services for internal lightning and surge protection in accordance with the Lightning Protection Zone concept “LPZ”.

News Facts

NEW: DEHNpatch Outdoor waterproof Ethernet/PoE protector DEHNpatch Outdoor, the new complete unit consists of surge protection and an outdoor enclosure protects your surveillance cameras, PoE++/4PPoE and other GBit Ethernet applications. The DEHNpatch Outdoor has a lightning current discharge capability of 4kA (10/350 µs) in total. BLITZDUCTORconnect Easy. Safe. Robust. The universal combined arrester protects measuring and control circuits as well as bus and telecommunication systems from damage caused by lightning and surges. With a high lightning current discharge capacity of 3 kA (total) and protection levels, this new generation of devices is ideally suited for the protection of terminal devices.

R3A Learning Centre

Our 2019 Webinar schedule is now available! Attending our Webinars is your opportunity to learn more about Lightning and Surge currents/waveforms, what they are, how they come into existence, protection guidelines, installation code, standards, case studies and practice. As well as the all new TELETASK webinars. These webinars will provide you information about the basics of TELETASK, full house integration, security, and massive energy savings. In these Webinars we pass on decades of information to our customers. Our news letter comes out every quarter and will inform you about the latest developments concerning products, standards and installation practices.
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