
Systemair MUB450EV Multibox Insulated Duct Fan 230V Single Phase AC 752W IP54
MUB 042 450EV 235407
Multibox Insulated Duct Fan – 230V Single Phase | 752W | IP54 | Mid-Range Performance for Supply & Extract Ventilation
The Multibox 752W Insulated Duct Fan is a reliable and energy-efficient solution for residential and light commercial ventilation. With an airflow capacity of up to 5,788 m³/h and designed with 30 mm acoustic and thermal insulation, this unit provides excellent performance while maintaining low noise levels. It is ideal for indoor or protected outdoor installations where flexible airflow direction and compact form are required.
- Balanced Performance: Provides up to 5,788 m³/h airflow with a single-phase 752W motor—perfect for mid-sized ventilation systems.
- Enhanced Comfort: Internal 30 mm insulation offers both acoustic dampening and thermal efficiency for quieter, more stable operation.
- Flexible Configuration: Removable panels allow for directional airflow adjustment, simplifying integration into diverse ductwork layouts.
- Indoor & Sheltered Outdoor Use: IP54 protection makes it suitable for installation in utility rooms or covered outdoor spaces.
- ErP 2018 Compliant: Fully compliant with current energy performance standards and compatible with AC and EC motor systems operating at 50 or 60 Hz.
Technical Specification
- Air Flow Rate: Max. 5,788 m³/h
- Input Power: 752 W | Input Current: 3.1 A
- Voltage / Frequency: 230 V / 50 Hz | Single Phase (1~)
- Speed: 1,369 rpm
- Capacitor: 16 µF
- Temperature Range: Up to 65°C (with or without speed control)
- Protection Rating: IP54 | Insulation Class: F
- Weight: 59.5 kg
✅ Specify the Multibox 752W Fan for dependable, mid-capacity ventilation with quiet, insulated performance and versatile installation options.

Please find extensive Data Sheet in the downloads section below
Range | SystemAir Multibox |
Product | Duct Fan |
Type | Insulated Duct Fan |
Wattage | 752 W |
Ingress Protection | IP54 |
Voltage | 230 V |
Number Of Phases | Single |
Delivery Costs
Our standard delivery charge to UK mainland addresses is £5.90 ex-VAT.
Take advantage of FREE* Delivery when you spend over £100 (per order) ex-VAT.
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12.00 ex-VAT.
Solar Panels, Batteries and Inverters
Due to their size all solar panels, batteries and inverters orders up to 50 qty will be despatched on a pallet and incur a £120** ex-VAT delivery charge.
**£180 ex VAT to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes.
Click here to find out more.