Helios GigaBox 250mm GBW 250/4 centrifugal

The Gigabox GBW 250/4 comes complete with discharge adaptor and flexible connector. It is single phase (240V) and speed controllable.

All Helios fans are a very high quality product with a huge reputation for reliability. See the data-sheet links below for fan curves & accessories available. For high temperature versions see our commercial kitchen fans section.

This is an acoustically lined cubic ventilation box complete with intake and extract spigots and with flexible connectors to reduce vibration transmission. Variable applicable side panels can be arranged to suit almost any installation requirement. Simple positioning by use of standard crane hooks. External use possible with weather protection hood accessory.
Self-supporting frame construction made from hollow aluminum profiles, lined with 20 mm thick, double-walled side panels made from galvanised sheet steel.
Sound and thermally insulated with flame-retardent acoustic wool. The casing panels can be replaced as required with accessories, such as the external weather louvre and condensate collector. Other accessories, wall bracket and outdoor cover hood are available.
Smooth running backward curved centrifugal impeller highly efficient with steel blades on galvanised steel disc, direct driven. Dynamically balanced together with the motor to DIN ISO 1940 Pt.1 - class 6.3
Single phase external rotor motor, maintenance-free. Speed controllable through voltage reduction, with thermal contacts wired in series with the windings which automatically reset. With sealed, low-noise ball bearings with long-term lubrication. Terminal box fitted on the motor (IP 54).

Voltage - 230V - 50 Hz
Motor Power - 110W
Max. duty - 1500 m³/h
Motor Speed - 1290 rpm
Full Load Current - 0.44 A
Terminal Box IP Rating - 54
Motor IP Rating - 44
Max. temp. - 65 °C.
Sound Pressure Breakout @ 4M - 27db(A)