Fan & Motor Assembly

LS ventilators are powered by high quality motors with support and safety guard in compliance with DIN24167 and UNE20-359-74. The Polymide six glass fibre reinforced imnpellor is dynamically balanced in compliance with ISO 1940 standard. UD and UN motors are built with IE34-1 BS5000 parts 10 and 99, plus the relevant parts of BS4999. Enclosures are IP55. Insulation is class F throughout with class B temperature rise.