RF-N Fans
Roof fan, vertical exhaust (metal).
Housing made of weatherproof Aluminium AlMg3
Outlet side with protective grid against accidental contact
Vertical air discharge to minimize roof soiling
Lower noise break out than that of horizontal discharge roof fans
Backward curved impellers for optimum efficiency rates
Voltage-controlled air ow rate adjustment
Built-in thermostatic switch with automatic reset
Asynchronous three phase motors starting with size 450
