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BFA-R • Fan casing - 40 mm insulation

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

Copy
  • 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

2 = number of poles

K 01 = version

TSC-1-15 = speed controller

Air performance data

 Q [m³/h]
50 Pa100 Pa150 Pa200 Pa250 Pa300 Pa400 Pa500 Pa
BFA-R 125 E2 K 01307283243211170130--
BFA-R 160 E2 K 01356310269226173123--
BFA-R 200 E2 K 01675614550485422361229-
BFA-R 250 E2 K 011044991918830765709585385
BFA-R 355 E4 K 01198217861640142212531017491-
BFA-R 400 E4 K 01220819771750153213231046462-
BFA-R 450 E4 K 013403319729782709241321641443800
BFA-R 500 E4 K 013639337531262830255222751497481

Technical data

 U [V]P [W]I [A]SCTSCE**ŋt [%]tm [°C]tu [°C]to [°C]n [rpm]Lwa [dB (A)]
Lwa 5Lwa 6Lwa 2
BFA-R 125 E2 K 01230500.3TSC-1-15ESC-1524.67070-252386556854
BFA-R 160 E2 K 01230490.3TSC-1-15ESC-1525.57070-252420577154
BFA-R 200 E2 K 012301000.5TSC-1-15ESC-1529.18080-252480647659
BFA-R 250 E2 K 012301710.8TSC-1-15ESC-15396055-252680667459
BFA-R 355 E4 K 012302371.3TSC-1-15ESC-1538.54545-251368667561
BFA-R 400 E4 K 012302421.3TSC-1-15ESC-1539.54040-251370677662
BFA-R 450 E4 K 012304512.6TSCTK-1-40ESCTK-541.36565-251374738267
BFA-R 500 E4 K 012304662.7TSCTK-1-40ESCTK-541.26565-251382738267

  • SCT = Transformer speed controller
  • SCE = Electronic speed controller
    • ** Caution: an electronic controller can produce a magnetic noise
  • ŋt = Maximum total efficiency
  • Tm = Maximum air temperature
  • Tu = Maximum ambient temperature
  • To = Minimum operating temperature
  • Lwa 2 = Casing sound power level
  • Lwa 5 = Sound power level @inlet
  • Lwa 6 = Sound power level @outlet
  • The sound power levels are measured according to DIN 45635 part 2 & 38

Dimensions

 Ø N [mm]A [mm]B [mm]C [mm]D [mm]E [mm]F [mm]G [mm][kg]
BFA-R 125 E2 K 0112437838023211913642638411.6
BFA-R 160 E2 K 0115937838023213713342638411.8
BFA-R 200 E2 K 0119946048028716516850846617.7
BFA-R 250 E2 K 0124946048028719014850846618.9
BFA-R 355 E4 K 0135465068049223427369865641.8
BFA-R 400 E4 K 0139965068049225626369865641.0
BFA-R 450 E4 K 0144980078054727628384780567.5
BFA-R 500 E4 K 0149980078058730229384780569.5
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