ROOM VENTILATION Fans. HC- Compact series F- Impeller made of reinforced PVC B- Impeller made of reinforced aluminum TA- Three-phase motor B- Single-phase motor 4- Number of Poles 250- Nominal impeller diameter in mm. * Class F motor for air temperature from -40C to +70C. With thermal protection. * Suitable for industrial areas, pig farms, poultry farms, greenhouses, storage areas, etc. The unique design of the fan achieves maximum efficiency with extremely low thickness, resulting in it occupying the smallest possible installation space. Furthermore, the special design of the frame provides extremely low weight in combination with maximum efficiency. ADJUSTMENT: Possibility of adjusting the single-phase from 250 to 500 with a dimmer, there is no adjustment in types 630 & 710. In three-phase, the adjustment is done either with a switch or with an INVERTER.

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