Axial wall fan

DZS 35/42 B

Article number: 0094.0065
Manufacturer: MAICO
Axial wall fan with steel wall ring, DN 350, three-phase AC, pole-changeable
Application examples: Production facility, Commercial premises, Garage, Building container, Storage facility
Product data sheet
DZS 35/42 B IM0009968.PNG Axial wall fan with steel wall ring, DN 350, three-phase AC, pole-changeable

Characteristic curve

DZS 35/42 B - Characteristic curve

Dimensioned drawing

DZS 35/42 B - Dimensioned drawing [mm]

  1. Steel wall plate = EZQ/DZQ model
  2. Steel wall ring = EZS/DZS model

Technical data

DZS 35/42 B - Technical data

Article DZS 35/42 B
Model Steel wall ring
Air flow volume 2.950 m³/h / 5.840 m³/h
Air volumenom 1.990 m³/h / 4.250 m³/h / in opt. efficiency
Pressure pfs, nom 75 Pa - 255 Pa / in opt. efficiency
Rotating speed nnom 1.460 1/min - 2.830 1/min / in opt. efficiency
Rotating speed 1.480 1/min / 2.927 1/min
Impeller type axial
Speed controllable
Reversing capacity
Type of voltage Three-phase AC
Rated voltage 400 V
Frequency 50 Hz
Nominal output 135 W / 810 W / in opt. efficiency
Inom 0,4 A / 1,4 A / in opt. efficiency
Imax 2 A
Degree of protection IP 55
Insulation class F
Pole-changeable
Number of poles at high speed 2
Number of poles at low speed 4
Mains cable 5 x 1,5 mm²
Installation site Wall / Ceiling
Type of installation Surface-mounted
Installation position horizontal / vertical
Material Sheet steel, galvanised
Colour Silver
Weight 10,45 kg
Weight including packaging 13,07 kg
Nominal size 350 mm
Width 525 mm
Height 525 mm
Depth 287 mm
Width with packaging 610 mm
Height with packaging 610 mm
Depth with packaging 400 mm
Airstream temperature at nominal current -20 °C up to 60 °C
Airstream temperature at IMax -20 °C up to 60 °C
Packing unit 1 piece
Range C
GTIN (EAN) 4012799940654
Article number 0094.0065
Article DZS 35/42 B
Total efficiency η 37,2 %
Measurement category A
Efficiency category static
Efficiency level N 44,1
VSD necessary No
Year of manufacture see rating plate
Manufacturer’s name / official registration number / manufacturer's place of establishment Maico Elektroapparate-Fabrik GmbH / Freiburg registration court, HRB 601233 / Villingen-Schwenningen
Art. No. 0094.0065
PBEP / Air volumeBEP / Pfs, BEP 0,81 kW / 4.250 m³/h / 255 Pa
nBEP 2.830 1/min
Specific ratio ≈ 1
Information about dismantling and disposal see mounting instructions
Information about installation, operation and repairs see mounting instructions
Objects used to measure efficiency which are not described by the measurement category -
Sound power levelLWA7 73 dB(A) / 90 dB(A)

 

63 Hz

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

8 kHz

Total

LWA7, low (dB(A))

32

45

66

69

69

68

64

53

75

LWA7, high (dB(A))

45

56

67

89

86

86

81

74

92

LWA8, low (dB(A))

52

58

67

67

72

72

73

70

78

LWA8, high (dB(A))

65

74

77

89

87

88

86

82

94

LWA7= housing and free inlet sound power level in dB.

LWA8= housing and free outlet sound power level in dB.

Product description

Productdescription

DZS 35/42 B

short description

Axial wall fan with steel wall ring, DN 350, three-phase AC, pole-changeable

Product description

Three-phase AC model

  • Axial wall fan with steel wall ring, in three-phase AC version.

Brief description

  • For surface mounting.
  • Protective grille on the intake side, protection against accidental contact in accordance with DIN EN ISO 13857.
  • 8-blade impellers made of glass fibre reinforced polyamide
  • Thermal overload protection as a standard feature.
  • Fans meet the requirements of the European Ecodesign Directive (EC) No.327/2011 Directive 2009/125/EC.
  • Vibration-free running due to dynamically balanced impeller and motor (shaft-rotor), according to quality class 6.3, DIN ISO 1940, part 1.
  • High efficiency on the ventilation side, low operating noise.
  • Increased durability due to high-quality materials such as quiet ball bearings.
  • Fans are maintenance-free.
  • Installation for ventilation and air extraction possible in any position.

Air flow direction

  • The air flow direction is marked.
  • Standard exhaust air mode, air flow direction with air drawn across motor.

Three-phase AC motor

  • DZQ/DZS type series.
  • Asynchronous motor.
  • Not suitable for ventilating steam-saturated air.
  • Rated voltage 400 V, 50 Hz.
  • IP 55 degree of protection. Exception for type DZQ ... D IP 54.
  • Speed-controllable. Exception for type DZQ 40/2 B and DZS 40/2 B.
  • Units can be switched in steps with an optional 5-step transformer.
  • Reversible.
  • Reversing mode: The volumetric flow is reduced by approx. 35 % with abnormal air flow direction.
  • Thermal overload protection as a standard feature. Exception for type DZQ/DZS 25/4 D and pole-changeable axial duct fans, available on request.
  • Potential-free terminal connections, which must be connected, e.g., to an MV 25-1 motor protection switch or the control circuit of a contactor.
  • Pole-changeable fans: Ensure overload protection is guaranteed by a motor protection switch provided by the customer.
  • Pole-changeable motors with speed ratios of 8/4 or 4/2 have a Dahlander pole-changing circuit.

Electrical connection

  • On terminal block in end cover of the motor.

Safety information

  • The fan may be operated only if the protection against accidental contact with the impeller is guaranteed to be in accordance with DIN EN ISO 13857, e.g., with Maico SG protective grille.

Special versions

  • The following special versions are available on request, at an extra cost:
    • Special voltages and frequencies.
    • Single-phase motors with thermal contacts or PTC thermistor, potential-free terminal connection.
    • Condensation drainage holes.
    • Fans with enhanced anti-corrosion protection.
    • Impellers made of aluminium.
  • Information on operation at temperatures occasionally below -20°C available upon request.
  • If operating with frequency converters, the factory must be consulted.
  • Feasibility must be checked in each case.

Table of contents

Wiring diagram

DZS 35/42 B - Wiring diagram





Predecessor - successor

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