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Acoustically insulated (40 mm/88 kg/m³) centrifugal fan box
Application
BFA-R fans are used for ventilation in many applications where low noise levels have to be respected, such as offices, restaurants, technical rooms or other
Can be used for air supply or extraction
Indoor and outdoor installation possible without additional accessories
Composition
Casing procured from galvanised steel
Removable panel with mounted roof, fixed with screws for easy inspection of motor
Isolation: high performance wool (88 kg/m³) with fireclass A1 according to DIN EN13501-1
Fan with backwards curved blades, made of plastic
External rotor with maintenance-free ball bearing
Voltage: 230Vac 1 ph
Motor isolation class F - protection classes:
BFA-R 125 E2 K 01 - BFA-R 250 E2 K 01: motor protection class IP33, IP54 for the whole fan
BFA-R 355 E4 K 01 - BFA-R 400 E4 K 01: motor protection class IP44, IP54 for the whole fan
BFA-R 450 E4 K 01 - BFA-R 500 E4 K 01: motor protection class IP54, IP54 for the whole fan
Terminal box IP66 with cable glands
Thermische beveiliging:
BFA-R 125 E2 K 01, BFA-R 160 E2 K 01 and BFA-R 250 E2 K 01: Temperature operated switch mechanism with manual reboot, connected on the inside
BFA-R 200 E2 K 01, BFA-R 355 E4 K 01 and BFA-R 400 E4 K 01: Temperature operated switch mechanism with manual reboot, connected on the inside
BFA-R 450 E4 K 01 and BFA-R 500 E4 K 01: Temperature operated switch mechanism with manual reboot, to be connected externally by third party
Accessories
Auto transformer, type TSC(TK)-1
Electronic speed controller, type ESC(TK)
Flexible connection, type BMK
Text for tender
The centrifugal fan box shall be acoustically insulated with 40 mm rock wool fibrewith a density of minimum 88kg/m³. The closed motor shall be of the direct driven type, IP44, insulation class F, with thermal protection and voltage controllable with auto transformer
Cairox Type BFA-R
The centrifugal fan box shall be acoustically insulated with 40 mm rock wool fibrewith a density of minimum 88kg/m³. The closed motor shall be of the direct driven type, IP44, insulation class F, with thermal protection and voltage controllable with auto transformer
Cairox Type BFA-R
Order example
BFA 125 E2 K 01 + TSC-1-15
BFA = boxfan
R = mounted roof
125 = diameter
E = controlable via transformator speed controller