Information about S&P Roof Extractor CTHT/6-250N
Roof extractor CTHT/6-250N horizontal, capable of transferring air at 400ºC/2h (1), with horizontal discharge, galvanized steel base, aluminum cover, backward-curved centrifugal impeller protected by bird-proof safety grille, zinc-plated supports and screws, IP55 motor, Class F, self-cooling, with permanently lubricated ball bearings. (1) Except models 140, 180, and 200. Available in 4, 6, or 8 poles depending on versions. Two-speed versions (4/8 or 6/12 poles). Power supply: Single-phase 230V-50Hz, Three-phase 400V-50Hz (See characteristics table). Adjustable by voltage variation up to model 400. Three-phase models adjustable by frequency converter. If a speed controller is used, the electrical installation must be equipped with a system that allows the fan to operate at maximum speed in case of fire. Models 140, 180, 200, and 225 are especially suitable for activating chimney drafts.