DSQ 45/6

Discontinued product
Article number: 0080.0037
Manufacturer: MAICO
Sound-insulated radial fan for indoor fitting, three-phase AC, DN 450
Application examples: Workplace, Workplace air extraction system, Storage facility, Workshop, Day room
DSQ 45/6 IM0011157.PNG Sound-insulated radial fan for indoor fitting, three-phase AC, DN 450

Characteristic curve

DSQ 45/6 - Characteristic curve

Dimensioned drawing

DSQ 45/6 - Dimensioned drawing [mm]

  1. Mounting bracket included in the scope of delivery

Technical data

DSQ 45/6 - Technical data

Article DSQ 45/6
Air flow volume 3.300 m³/h
Speed controllable
Type of voltage Three-phase AC
Rated voltage 400 V
Frequency 50 Hz
Nominal output 370 W
PMax 370 W
Inom 1,2 A
Imax 1,2 A
Degree of protection IP 55
Insulation class F
Mains cable 5 / 1,5 mm²
Installation position vertical / horizontal
Housing material Sheet steel, galvanised
Weight 69,5 kg
Swivelling fan
Nominal size 450 mm
Width 756 mm
Height 750 mm
Depth 835 mm
Airstream temperature at nominal current -20 °C up to 50 °C
Airstream temperature at IMax -20 °C up to 50 °C
Sound pressure level 41 dB(A) / Distance 3 m, Free-field conditions
Packing unit 1 piece
Range C
GTIN (EAN) 4012799800378
Article number 0080.0037


63 Hz

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

8 kHz


LWA2, high (dB(A))









LWA5, high (dB(A))









LWA6, high (dB(A))









LWA2= housing sound power level in dB.

LWA5= free inlet sound power level in dB.

LWA6= free outlet sound power level in dB.


DSQ 45/6 - Accessories

General accessories

Product type Name Art. No. Price*(EUR) Action
Frequency converter MFU 1 0157.1214 on request
  • On the notes
5-step transformer TR 2,5-2 0157.0149 on request
  • On the notes
5-step transformer, control cabinet TR 2,5 S-2 0157.0152 on request
  • On the notes
5-step switch for TRE...S -2/ TR...S-2 5-step transformers DSS 20 0157.0750 on request
  • On the notes

Product description


DSQ 45/6

short description

Sound-insulated radial fan for indoor fitting, three-phase AC, DN 450

Product description


  • 400 V model (3+PE).
  • Speed controllable with MFU frequency converter or transformer.
  • Prescribed motor overload switch must be provided by customer.


  • Side panel with exhaust air connection can be fitted in 5 different directions. Can therefore be varied during installation even in awkward spaces.
  • Compact dimensions.
  • Very quiet operation thanks to excellent sound insulation.
  • With prefitted mounting brackets as standard to simplify installation.
  • Impeller with blades curved to the rear . Resulting in optimised efficiency and low maintenance costs.
  • Because of the large spaces between the impeller blades, the fan does not tend to dirty.
  • IP 55 degree of protection.

Mounting instructions

  • Installation inside the building.
  • Side section with intake socket is permanently fitted. The side section with exhaust socket and closed side sections can be interchanged. This allows the Quickbox to be adapted to different mounting situations.
  • Any installation position.
  • Housing wall is easy to remove.
  1. Side panel with intake socket
  2. Side panel, can be screw-fitted
  3. Side panel, removable
  4. Catch
  5. Side wall with exhaust socket
  6. Impeller
  7. Cable screw-connection
  8. Motor with terminal box

S Information sign - Impeller direction of rotation

T Rating plate

Electrical connection

  • Connection to internal terminal box.

Table of contents

Wiring diagram

DSQ 45/6 - Wiring diagram

Predecessor - successor

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