Systemair DHS Sileo 400E4 Roof Fan AC Single Phase - 400mm
Systemair DHS Sileo 400E4 Roof Fan AC Single Phase - 400mm
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Delivery and Warranty
Standard UK Mainland Delivery
If you are not in a rush, then we offer standard delivery and your order should be with you between 2-3 working days.
£6.95
Next Working Day Delivery
Place your order before 12pm Monday to Thursday and receive your order the next working day. Orders placed on Friday before 11am will be processed and delivered on Monday. (Excludes Sunday’s and Public Holidays)
£15.95
Nominated Day Delivery
We know sometimes you will need an order on a particular date in the future. Simply select this option at checkout and add what date you would like to receive the order. We will then contact you to confirm the date. If you need to change this order date then please contact us ASAP.
£15.95
Northern Ireland Delivery
We offer a flat fee rate for Northern Ireland orders, and all are 5-7 working day lead times.
£29.95
Scottish Highlands & Islands Delivery
We only offer a flat fee rate for Scottish Highland & Islands orders, and all are 5-7 working day lead times.
£45.95
Channel Islands Delivery
We only offer a flat fee rate for Channel Islands orders, and all are 5-7 working day lead times.
£45.95
Product Details
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Specifications
Product specifications
| Brand | Systemair |
| Model | DHS 400E4 Sileo |
| Type | Roof fan |
| Diameter | 400mm |
| Max airflow | 4273 m³/h |
| Phase | 1 Phase |
| Motor | AC |
| Power | 475 W |
| Voltage | 230V |
| Max temp / IP | 60°C / IP54 |
Summary
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The Systemair DHS Sileo 400E4 is a 400mm centrifugal roof-mounted extract fan delivering up to 4273 m³/h. Its 3D profiled backward-curved impeller and external rotor motor move high air volumes at medium pressure with excellent sound levels, suited to commercial and industrial extract ventilation.
The 400E4 runs on a single-phase 230V AC motor (E4, 4-pole 1440 rpm) with horizontal discharge and is fully speed controllable over the voltage. The motor uses external leads for a protection device, the aluminium casing suits coastal applications, and it handles air up to 60°C at IP54.
- 1 Phase
- AC motor
- Up to 4273 m³/h
- Speed controllable
Specifications
| Brand | Systemair |
| Model | DHS 400E4 Sileo |
| Type | Roof fan |
| Diameter | 400mm |
| Max airflow | 4273 m³/h |
| Phase | 1 Phase |
| Motor | AC |
| Power | 475 W |
| Voltage | 230V |
| Max temp / IP | 60°C / IP54 |
Manuals & Guides
Product Description
The Systemair DHS Sileo 400E4 is a 400mm centrifugal roof-mounted extract fan delivering up to 4273 m³/h. Its 3D profiled backward-curved impeller and external rotor motor move high air volumes at medium pressure with excellent sound levels, suited to commercial and industrial extract ventilation.
The 400E4 runs on a single-phase 230V AC motor (E4, 4-pole 1440 rpm) with horizontal discharge and is fully speed controllable over the voltage. The motor uses external leads for a protection device, the aluminium casing suits coastal applications, and it handles air up to 60°C at IP54.
- 1 Phase
- AC motor
- Up to 4273 m³/h
- Speed controllable
Specifications
| Brand | Systemair |
| Model | DHS 400E4 Sileo |
| Type | Roof fan |
| Diameter | 400mm |
| Max airflow | 4273 m³/h |
| Phase | 1 Phase |
| Motor | AC |
| Power | 475 W |
| Voltage | 230V |
| Max temp / IP | 60°C / IP54 |
Manuals & Guides
Delivery & Returns
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What size is the DHS 400E4?
It has a 400mm diameter and is a roof-mounted centrifugal extract fan.
What airflow does it deliver?
Up to 4,273 m³/h at free air from its 3D profiled backward-curved impeller.
Is the 400E4 single or three phase?
It uses a single-phase 230V AC motor for a standard supply.
Can the speed be controlled?
Yes, the motor is speed controllable over the voltage with a compatible controller.
What air temperature can it handle?
It carries extract air up to 60°C and the motor is rated IP54.
How is the motor protected?
The motor uses external leads for connection to a motor protection device.