Centrifugal blower

GRM 10/2 D Ex

Article number: 0073.0386
Manufacturer: MAICO
Centrifugal blower, size 100, three-phase AC, for use in potentially explosive atmospheres, medium: gas
Application examples: explosion-proof industrial applications
Product data sheet
GRM 10/2 D Ex IM0020476.PNG Centrifugal blower, size 100, three-phase AC, for use in potentially explosive atmospheres, medium: gas
GRM 10/2 D Ex IM0017898.PNG Centrifugal blower, size 100, three-phase AC, for use in potentially explosive atmospheres, medium: gas
Back
  • On the notes
GRM 10/2 E Ex
GRM 10/2 D Ex

Characteristic curve

GRM 10/2 D Ex - Characteristic curve

Dimensioned drawing

GRM 10/2 D Ex - Dimensioned drawing [mm]

GRM 10/2 D Ex - 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 10/2 D Ex - Technical data

Article GRM 10/2 D Ex
Air flow volume 430 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 90 W
Inom 0,53 A
Degree of protection IP 55
Insulation class F
Pole-changeable −
Installation site Duct connection
Installation position Horizontal
Material Sheet steel, galvanised
Housing material Steel
Colour grey
Weight 7 kg
Weight including packaging 7,5 kg
Size 100 mm
Width 220 mm
Height 229 mm
Depth 168 mm
Width with packaging 315 mm
Height with packaging 300 mm
Depth with packaging 240 mm
EX designation in accordance with the ATEX Directive Ex II 2 G
EX designation in accordance with standard Ex db IIB+H2 T4 Gb X / Ex h IIB+H2 T4 Gb X
Ta ambient temperature -20 °C ≤ Ta ≤ +40 °C
Operating mode S1
PTC DIN 44082 M 100
Temperature class T4
Packing unit 1 piece
Range C
GTIN (EAN) 4012799733867
Article number 0073.0386

 

63 Hz

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

8 kHz

Total

LWA5, S5 (dB(A))

45

57

62

66

71

64

56

46

73

LWA5= free inlet sound power level in dB.

Accessories

GRM 10/2 D Ex - Accessories

Specific accessories

Product type Name Art. No. Price*(EUR) Action
Transition adapter URRI 10 0073.0297 on request
  • On the notes
Machine protection relay thermistor TMS 0157.0992 on request
  • On the notes
Differential pressure switch DDEx 500 0157.0302 on request
  • On the notes
Motor base MSI 10 0073.0293 on request
  • On the notes

General accessories

Product type Name Art. No. Price*(EUR) Action
Air outlet grille SGAI 10 0073.0288 on request
  • On the notes
Inlet protective grille SGEI 10 0073.0284 on request
  • On the notes

Product description

Productdescription

GRM 10/2 D Ex

short description

Centrifugal blower, size 100, three-phase AC, for use in potentially explosive atmospheres, medium: gas

Product description

Features

  • Centrifugal blower made of metal for applications in areas subject to explosion hazards.
  • Explosion protection tested in accordance with Directive 2014/34/EU.
  • Qualified for all gases and vapours of Ex group IIA and IIB and also for hydrogen.
  • Ex II 2 G Ex db IIB+H2 T4 Gb X / Ex II 2 G Ex h IIB+H2 T4 Gb X.
  • For usage temperatures of -20°C ≤ Ta ≤ +40°C.
  • MAICO Ex fans fulfil the safety requirements of European Directive 2014/34/EU for units and protective systems in potentially explosive atmospheres.
  • For zone 1 and 2.
  • Types of ignition protection: “d” – pressure-proof housing and “c” – constructional safety.
  • Powerful fans for industrial applications.
  • For simple and direct mounting on a duct system.
  • The motor is outside the air flow.
  • Sheet steel housing.
  • Standard orientation for LG 270° housing.
  • Suitable for temperature ranges from -20 °C to +40 °C.
  • The intake socket, made of coated sheet steel, is included in the scope of delivery.
  • Centrifugal impellers with forward curved blades made of galvanised sheet steel.

Three-phase AC motor

  • Three-phase AC motor.
  • IP 55 degree of protection.
  • IE3 motor.
  • S1 operating mode (continuous operation).
  • Temperature class T4.
  • 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 triggering system (safety device according to Directive 2014/34/EU), that separates the fan permanently from the power if the temperature gets too hot.

Electrical connection

  • Connection in the terminal box on the motor.
  • Cable screw connection, in Ex d version, included in the scope of delivery.

Special versions

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

Table of contents

Wiring diagram

GRM 10/2 D Ex - Wiring diagram



Predecessor - successor

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