Range of in-line duct centrifugal fans, manufactured from high grade corrosion resistant pressed galvanised steel and supplied as standard with a prewired wiring junction box and a robust mounting foot. All model include an enclosed type, single-phase external rotor motor with factory matched backward curved nonstalling impeller.
(1) Models 355 and 400 are manufactured in sheet steel protected against corrosion by cataforesis primer and black polyester paint finish.

Motors
100N – 250N models: Motors are IP44, class B insulation with ball bearings and safety thermal overload protection.
315N model: motor is IP44, class F insulation with ball bearings ans safety thermal overload protection.
355N and 400N models: Motors are IP54, class F, with ball bearings and safety thermal overload protection.
Electrical supply:
Single phase 230V-50/60Hz.
Three phase 230/400V-50Hz
(models 355N-T and 400N-T).
(See characteristics chart).
All single-phase models are speed controllable by tension.
The three-phase models are speed controllable by frequency inverter

Additional Information
Impellers from 100 to 250 models are manufactured from injection moulded plastic.