MotorsModels from 180N to 400N- Single-phase, single-speed motor 220- 240V50Hz, IP55, class F, with safety thermal overload protection*. Speed controllable by voltage**.- Three-phase single-speed motor 220-240/400-415V-50Hz, IP55, class F, with safety thermal overload protection*. Speed controllable by frequency inverter and by voltage**.- Three-phase 2-speed motor 380- 4150V50Hz, 4/8 poles, IP55, class F, with safety thermal overload protection*.Models from 450N to 630N- Three-phase single-speed motor 220-240/400-415V-50Hz, IP55, class F. Speed controllable by frequency inverter*.- Three-phase 2-speed motor 380- 4150V50Hz, 4/8 poles (only 450N), IP55, class F.Model 630H, 710N and 710H- Three-phase single-speed motor 400-415V-50Hz, IP55, class F. Speed controllable by frequency inverter*.* When thermal protection are connected, the electrical installation must be equipped with a security system that, in case of fire, allows the maximum speed of the fans whatever the current state of the thermal protection.** When using a speed controller, the electrical installation must be equipped with a security system that allows, in case of fire, the maximum speed of the fans.Additional information180N, 200N and 225N models are specially designed for extracting smokes from fireplaces.Three-phase 2-speed motor 380-450V 50Hz, 6/12 poles (from 450N to 710H) on demand.
