Helios VDD 250/4 EX
Product details
The Helios VDD 250/4 EX is a powerful vertical roof fan specifically designed for use in explosive environments. With a robust housing made of seawater-resistant aluminum and a newly developed high-performance radial impeller, this fan provides efficient air circulation of up to 1280 m³/h. The fan is suitable for operation in Ex zones and meets the stringent requirements of the ATEX directives. The integrated three-phase external rotor motor allows for precise speed control and ensures maintenance-free operation. The design also includes a base plate made of galvanized steel, facilitating easy installation of accessories. The Helios VDD 250/4 EX is therefore a reliable solution for ventilation technology in demanding environments.
- High-performance radial impeller with backward-curved blades for optimal efficiency
- Speed-controllable three-phase external rotor motor for flexible application
- Robust housing made of seawater-resistant aluminum with break-in protection
- Maintenance-free operation thanks to ball bearings with moisture protection insulation
- Suitable for use in Ex zones according to ATEX directives.
Airflow | 1280 m³/h |
Item number | 33738067 |
Manufacturer | Helios |
Category | Ventilation technology |
Manufacturer no. | 07265 |
Release date | 17.5.2023 |
Material group | Metal |
Material | Aluminium |
Airflow | 1280 m³/h |
Suitable for pipe diameter | 250 mm |
Power | 370 W |
Country of origin | Germany |
CO₂ emissions | 1.04 kg |
Climate contribution | CHF 0.11 |
Compare products
Goes with
Reviews & Ratings
Warranty score
How often does a product of this brand in the «Ventilation technology» category have a defect within the first 24 months?
Source: Digitec Galaxus- 3.Suprex0.1 %
- 5.Europlast0.2 %
- 5.Helios0.2 %
- 5.vidaXL0.2 %
- 8.Sugatsune0.3 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- BirdNot enough data
- Bosch Home ComfortNot enough data
- CataNot enough data
- EuroplastNot enough data
- HastragNot enough data
Unfortunately, we don't have enough data for this category yet.
Return rate
How often is a product of this brand in the «Ventilation technology» category returned?
Source: Digitec Galaxus- 3.Sugatsune2.1 %
- 4.Cata2.4 %
- 5.Helios2.6 %
- 6.vidaXL2.8 %
- 7.Puag3.7 %