SB250E : Helios Fans SB 250 E
Helios / (SB250E)
| Code & Description | Price | |
|---|---|---|
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SB250E : Helios Fans SB 250 E
Note: £549.81 + VAT for new customers using 'WELCNFAN1' discount code!
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£646.84 + VAT £776.21 | |
We accept : 
15% discount with code ‘welcnfan1’
Note: Code can only be used once per customer. Discount codes are entered after selecting shipping method.
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The Helios SB 250 E is a centrifugal fan designed for quiet ventilation performance, featuring a sound-absorbing housing made from galvanized sheet steel. The casing includes spigots compatible with standard duct sizes and is internally lined with a 50 mm thick, abrasion-resistant mineral fibreboard for effective noise reduction. It is equipped with a removable lid and a swing-out motor and impeller unit, allowing for simple maintenance and service access.
This model incorporates a high-efficiency, backward curved centrifugal impeller constructed from durable polymers. It is dynamically balanced to class G 6.3, in accordance with DIN and ISO 1940 T.1 standards, ensuring smooth and stable airflow.
The fan is driven by a totally enclosed, single-phase external rotor motor with built-in thermal contacts. Designed for silent operation, the motor is maintenance-free and features sealed-for-life ball bearings. Fan speed can be regulated via voltage reduction.