Range of centrifugal roof mounted fans in horizontal discharge format, designed for smoke extraction in fire conditions
n
nBase manufactured from galvanised sheet steel.
n- High efficiency centrifugal backward curved impeller manufactured from galvanized sheet steel.
n- Cowl manufactured from spun aluminium.
n- All models incorporate bird-proof guard
n- Available, depending on the model, in 4, 6 or 4/8 poles.
Motors
n- Single-phase, single-speed motor 220-240V50Hz (CTHB), IP55, class F, with safety thermal overload protection*.
nSpeed controllable by voltage**.
n- Three-phase single-speed motor 220-240/400-415V-50Hz (CTHT), IP55, class F, with safety thermal overload protection*.
nSpeed controllable by frequency inverter and by voltage**.
n- Three-phase 2-speed motor 380-4150V50Hz, 4/8 poles, IP55, class F, with safety thermal overload protection*.
