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BCA • Duct fans

Centrifugal duct fan

Application

  • BCA fans are designed to be built-in in circular ducts
  • They are used for ventilation in many applications such as offices, restaurants, technical rooms or other

Composition

  • Sheet steel housing powder coated RAL 7035
  • Backward curved impeller
  • BCA 100L – BCA 315 10: impeller with steel plate and plastic blades
  • The fan is balanced G6.3 according to DIN ISO 1940
  • External rotor motor 230 Vac 1ph, voltage controllable, protection class IP44, insulation class F
  • Integrated automatic thermal contact with automatic restart
  • Maintenance-free, long-life ball bearings
  • Junction box IP44 with cable gland
  • Thermal protection:
    • BCA 100L 20 - BCA 125L 20: thermal contact with automatic restart, internally connected
    • BCA 160 10 - BCA 315 10: thermal contact with manual restart, internally connected

Accessories

  • Wall console, type MRS
  • Transformer speed controller, type TSC-1
  • Electronic controller, type ESC
  • Clamping strip, type BMK
  • Safety grille, type BSV-S

Text for tender

Copy
  • The fans shall be of the centrifugal in-line duct type with backward curved impeller and with external 230V rotor motor with thermal protection. IP33, class F, junction box IP44. Sheet steel housing powder coated RAL 7035. The maximum working temperature shall be 60°C to 80°C, depending on the model.
  • Cairox type BCA

    Order example

    BCA 250 10 + ESC-15

    Explanation:

    BCA = type of fan
    250 = diameter
    10 = version
    ESC-15 = speed controller

    Air performance data

     Q [m³/h]
    0 Pa50 Pa100 Pa150 Pa200 Pa250 Pa300 Pa400 Pa500 Pa
    BCA 100L 2025421316612165----
    BCA 125L 2030225519914070----
    BCA 160 1045740334928722216094--
    BCA 200813748669588515429318141-
    BCA 200L 101037985921857784700628450178
    BCA 250887823747664573481379164-
    BCA 250L 1010931044984919856797733506221
    BCA 315 101168112010631001939877816624281

    Selection curves

    Selection curves

    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
    BCA 100L 201 x 230280.2TSC-1-15ESC-1519.26060-252390646648
    BCA 125L 201 x 230280.2TSC-1-15ESC-1521.36060-252400616145
    BCA 160 101 x 230490.3TSC-1-15ESC-1525.17070-252390676552
    BCA 2001 x 2301000.46TSC-1-15ESC-1528.97070-252450717056
    BCA 200L 101 x 2301540.9TSC-1-15ESC-1534.97575-252710757563
    BCA 2501 x 2301000.46TSC-1-15ESC-1530.96060-252420717458
    BCA 250L 101 x 2301610.88TSC-1-15ESC-1538.37070-252700747662
    BCA 315 101 x 2301620.9TSC-1-15ESC-1542.57070-252700747660

    • 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

    ØA [mm] B [mm] ØC [mm] D [mm] [kg]
    BCA 100L 20992092452872.8
    BCA 125L 201241932452882.6
    BCA 160 101592052703103,2
    BCA 2001992273443864.2
    BCA 200L 101992443443865.1
    BCA 2502492353443864.3
    BCA 250L 102492443443865
    BCA 315 103142534024445.7
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