Centrifugal blower

GRM HT 12/2

Article number: 0073.0280
Manufacturer: MAICO
Metal centrifugal blower for high temperatures, size 120, three-phase AC
Application examples: Industrial building, High temperature ranges
Product data sheet
GRM HT 12/2 IM0020575.PNG Metal centrifugal blower for high temperatures, size 120, three-phase AC
Back
  • On the notes
GRM HT 10/2
GRM HT 12/2
GRM HT 14/2
GRM HT 16/2
GRM HT 18/2

Characteristic curve

GRM HT 12/2 - Characteristic curve

Dimensioned drawing

GRM HT 12/2 - Dimensioned drawing [mm]

GRM HT 12/2 - Dimensioned drawing Housing orientation [mm]

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

This size cannot be ordered in the versions 45°, 135°, 315°

The standard orientation is always LG 270°

Technical data

GRM HT 12/2 - Technical data

Article GRM HT 12/2
Air flow volume 850 m³/h
Rotating speed 2.880 1/min
Impeller type radial
Speed controllable ✔
Reversing capacity −
Type of voltage Three-phase AC
Rated voltage 400 V
Frequency 50 Hz
Nominal output 250 W
Inom 0,9 A
Imax 0,7 A
Degree of protection IP 55
Insulation class F
Pole-changeable −
Installation site Duct connection
Installation position Horizontal
Housing material Steel, coated
Impeller material Sheet steel, galvanised
Colour Silver
Weight 7 kg
Weight including packaging 7,6 kg
Width 365 mm
Height 272 mm
Depth 246 mm
Width with packaging 400 mm
Height with packaging 335 mm
Depth with packaging 290 mm
Airstream temperature at IMax 150 °C
PTC DIN 44082 M 100
Packing unit 1 piece
Range C
GTIN (EAN) 4012799732808
Article number 0073.0280

 

63 Hz

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

8 kHz

Total

LWA5, S5 (dB(A))

44

54

68

73

69

74

69

65

78

LWA5= free inlet sound power level in dB.

Accessories

GRM HT 12/2 - Accessories

Specific accessories

Product type Name Art. No. Price*(EUR) Action
Transition adapter URRI 12 0073.0298 on request
  • On the notes
Motor base MSI 12 0073.0294 on request
  • On the notes

General accessories

Product type Name Art. No. Price*(EUR) Action
Air outlet grille SGAI 12 0073.0289 on request
  • On the notes
Inlet protective grille SGEI 12 0073.0285 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 1 0157.1214 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

GRM HT 12/2

short description

Metal centrifugal blower for high temperatures, size 120, three-phase AC

Product description

Features

  • Centrifugal blower with metal housing for high temperatures.
  • Powerful fans for industrial applications.
  • For simple and direct mounting on a duct system.
  • The motor is outside the air flow.
  • Sheet steel housing.
  • Housing protected against weathering by epoxy coating.
  • Standard orientation for LG 270° housing.
  • The housing can be ordered in 45° increments if required.
  • Suitable for temperature ranges up to + 150 °C.
  • The intake flange, made of coated sheet steel, is included in the scope of delivery.
  • Centrifugal impellers with forward curved blades made of galvanised sheet steel.

Motor

  • Three-phase AC motor.
  • Protection class IP 55. Exception: GRM HT 10/2 IP 44.
  • 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.

Safety instruction

  • Connection to terminal block in the housing.

Special versions

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

Table of contents

Wiring diagram

GRM HT 12/2 - Wiring diagram



Predecessor - successor

Notes
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