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KBF-N • Insulated fan box

  • Insulated fan boxes
  • Kitchen exhaust, air temperature up to 80degC
  • 30 mm insulation thickness
  • Centrifugal fan, backward curved impeller
  • IP54 / F class

Acoustically 30mm insulated centrifugal fan box with motor separated from the air stream allowing use as a kitchen exhaust fan.

Application

  • The KBF-N series of fans are suitable for many ducted ventilation system applications, including the ventilation of factories, offices, restaurants, etc.
  • Exhaust fan for kitchens, max air temperature up to 80oC

Fan

  • Backward curved centrifugal fan

Motor

  • Separated from air stream
  • Supply: 400Vac 3ph
  • Insulation class F – Protection class IP54
  • Integrated thermal contact

Order example

  • KBF-N 560 D4


Explanation :

KBF-N = Fan type

560 = Flange size [mm]

D = Three phase - 400Vac

4 = 4 pole

Technical data

Model KBF-N225 E2 T21225 D2 T40250 D2 T40280 D2 T40315 D2 T40315 D4 T40355 D4 T40400 D4 T40450 D4 T40500 D4 T40560 D4 T40630 D4 T40710 D6 T40800 D6 T40
Rated currentA1.30.81.11.22.31.11.312.32.74.78.36.79.4
Max. static efficiency%4144.544.344.448.643.652.950.553.151.555.955.860.757.6
Max. total efficiency%41.344.744.644.849.544.153.250.953.752.256.656.66658.1
Max. allowed frequency (3-phase motors)Hz-60605050807050555050505050
Max. allowed RPM (with EC motors)RPM--------------
Max. power consumptionW2854406926861280658793564122614402661432527614772
Max. current consumptionA2.10.91.21.32.51.11.41.12.52.958.879.9
Max. speedRPM292035203490292029502360206014701630148514701480990990
Max. air volumem3/h174020102630283041153300459048407125809013060175401955022610
Min. pressurePa--------------
Max. pressurePa6609401130980127081081050581084010401330735920
Max. allowed medium temperature°C80120120120120120120120120120120120120120
Blocked currentA--------------
Min. allowed voltageV110-------------
Weightkg35.9353536414063657375127140235241
SPL casing break out LWA2 (at point 3 on graph)dB(A)6773737375687669737776797077

Dimensions

 abcØde
KBF-N 225 E2 T21386417500195-
KBF-N 225 D2 T40386417500195552
KBF-N 250 D2 T40386417500220552
KBF-N 280 D2 T40386417500240552
KBF-N 315 D2 T40386417500270552
KBF-N 315 D4 T40386417500270552
KBF-N 355 D4 T40586617700300752
KBF-N 400 D4 T40586617700340752
KBF-N 450 D4 T40586617700385752
KBF-N 500 D4 T40586617700430752
KBF-N 560 D4 T40786817900465952
KBF-N 630 D4 T40786817900520952
KBF-N 710 D6 T401086111712006201252
KBF-N 800 D6 T401086111712006701252

UN/fN = Nominal voltage / frequency in [V/Hz]

IMax = Maximum current in [A]

PN = Nominal motor power in [W]

tA = Ambient temperature in [oC]

IP/Class = Degree of motor protection / insulation class

Controller = Type of controller to be used : Voltage or Frequency

W = Weight in [kg]

LWA2 = Casing sound power level in [db(A)]

LWA5 = Inlet sound power level in [db(A)]

LWA6 = Outlet sound power level in [db(A)]

Air performance data

Air performance data

Air performance data

Air performance data
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