Description
Industry-standard 1500W convection-cooled rectifier built to the BT (British Telecom) 160 specification, converting AC mains into a nominal 54.9V DC positive-earth supply at up to 28A. Used to power telephone exchanges such as the Siemens iSDX/Realitis DX, typically installed in parallel banks with battery backup to form a DC UPS. Manufactured under this part number by several companies over the years, including Farnell, Weir, Brentford, and Harmer & Simmons.