Systemair MUB 062 630DV sileo Multibox - Centrifugal box fan, insulated, flexible outlet

• Speed-controllable • Modular system • Integral thermal contacts • Low sound level • Flexible airflow direction due to removable panels • Installation in any mounting position • Maintenance-free and reliable The MUB fan size 630DV have 3D profiled impellers with backward curved blades, manufactured from polyamide. MUB 630DV is equipped with external rotor motors, fully speed controllable. For speed controlling with a frequency converter a type with all pole sine filter is needed!. The motors are D/Y connected for two speed operation. Motor protection is done by thermal contacts, which have to be connected to an external motor protection device. The casing consists of an aluminium frame with fibreglass reinforced plastic corners of PA6; highly shock-resistant. The double skin panels are manufactured from galvanised steel with 30 mm mineral wool insulation. To avoid condensation the profile is provided with a separate chamber to fix screws. The Multibox fans are delivered for straight through airflow but ca...