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  • Impeller material: alkyd coated steel, stamped
  • Direction of rotation: clockwise for blowing "B" and counter-clockwise for sucking "S", seen on rotor
  • Type of protection: IP44
  • Insulation class: B
  • Mode of operation: continuous operation (S1)
  • Bearing: ball bearings
  • Motor protection: self-resetting TOP wired internally
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Characteristics

Modification name

BL-A250A-4E-B01-B0

Performance curve

III, IV

Nominal voltage [VAC]

230

Frequency [Hz]

50, 60

Speed [RPM]

1380, 1550

Air Flow [m³/h]

850, 970

Power input [W]

53, 67

Current [A]

0.23, 0.30

Sound pressure level [dB(A)]

54, 58

Perm. amb. temperature [°С]

-25...+50

Capacitor [μF/VDB]

2/450

Motor type

AC

Electrical connection

Type “A“

Dimensions [mm]

250

Performance curves

Dimensions

     

Electrical connections