Centrifugal blower

GRK R 56/4 D

New development
Article number: 0073.0530
Manufacturer: MAICO
Centrifugal blower made of plastic with round exhaust opening, size 560, three-phase AC, 4-pin
Application examples: Industrial applications
Product data sheet
GRK R 56/4 D IM0020945.PNG Centrifugal blower made of plastic with round exhaust opening, size 560, three-phase AC, 4-pin
Back
  • On the notes
GRK R 56/6 D
GRK R 56/4 D

Characteristic curve

GRK R 56/4 D - Characteristic curve

Dimensioned drawing

GRK R 56/4 D - Dimensioned drawing [mm]

GRK R 56/4 D - Dimensioned drawing Housing orientation [mm]

  1. RD Right-hand version
  2. LG Left-hand version

The GRK 12/2 E and GRK 12/4 D variants are not available in right-hand version RD!

The standard orientation is always LG 270°

Technical data

GRK R 56/4 D - Technical data

Article GRK R 56/4 D
Air flow volume 12.500 m³/h
Rotating speed 1.440 1/min
Impeller type radial
Speed controllable ✔
Reversing capacity −
Type of voltage Three-phase AC
Rated voltage 400 V
Frequency 50 Hz
Nominal output 4.000 W
Inom 8,1 A
Degree of protection IP 55
Insulation class F
Pole-changeable −
Installation site Duct connection
Installation position Horizontal
Housing material Plastic, polyethylene
Impeller material Plastic, polyethylene
Colour Light grey
Weight 120 kg
Weight including packaging 143 kg
Size 560 mm
Width 760 mm
Height 1.045 mm
Depth 930 mm
Width with packaging 800 mm
Height with packaging 1.200 mm
Depth with packaging 930 mm
Airstream temperature at IMax -15 °C up to 70 °C
PTC DIN 44081 M 100
Packing unit 1 piece
Range C
GTIN (EAN) 4012799735304
Article number 0073.0530

 

63 Hz

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

8 kHz

Total

LWA5, S5 (dB(A))

62,3

74,4

82,9

83,3

85,5

81,7

73,5

63,4

90

LWA5= free inlet sound power level in dB.

Accessories

GRK R 56/4 D - Accessories

General accessories

Product type Name Art. No. Price*(EUR) Action
Inlet protective grille SGEI K 56 0073.0470 on request
  • On the notes
Flexible cuff STKI 56 0073.0496 on request
  • On the notes
Main switch, service switch HS 3 0157.0736 on request
  • On the notes
Machine protection relay thermistor TMS 0157.0992 on request
  • On the notes
Contactor US 16 T 0157.0769 on request
  • On the notes
Frequency converter MFU 14 0157.1219 on request
  • On the notes
Thermostat TH 10 0157.0764 on request
  • On the notes
Thermostat TH 16 0157.0748 on request
  • On the notes

Product description

Productdescription

GRK R 56/4 D

short description

Centrifugal blower made of plastic with round exhaust opening, size 560, three-phase AC, 4-pin

Product description

Features

  • Centrifugal blower made of plastic.
  • Powerful fans for industrial applications.
  • Suitable for conveying corrosive and acidic media.
  • For simple and direct mounting on a duct system.
  • Low noise level and high efficiency.
  • The motor is outside the air flow.
  • The motor base made of epoxy-coated sheet steel, for mounting the fan, is included in the scope of delivery.
  • Housing made of plastic.
  • Standard orientation for LG 270° housing.
  • Suitable for temperature ranges from -15 °C to +70 °C.
  • Centrifugal impellers with backward curved blades made of polypropylene.

Three-phase AC motor

  • Three-phase AC motor.
  • Protection class IP 55.
  • IE3 motor.
  • S1 operating mode (continuous operation).
  • Speed-controllable with frequency converter.
  • Permissible frequency range for speed control with frequency converter 20-50 Hz.
  • The temperature in the fan motor is monitored by PTC thermistors. The PTC thermistors must be connected to a release system, that permanently disconnects the fan from the power supply if the temperature is too high.

Electrical connection

  • Connection in the terminal box on the motor.

Special versions

  • The following special versions are available on request, at an extra cost:
    • Deviating housing orientation.

Table of contents

Wiring diagram

GRK R 56/4 D - Wiring diagram



Predecessor - successor

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