Centrifugal duct fan

ERR 25/2 EC

New development
Article number: 0073.0588
Manufacturer: MAICO
Centrifugal duct fan, DN 250, air volume 1,056 m³/h, motor with EC technology
Application examples: Machine extraction unit, Workplace air extraction system, Production site
Product data sheet
ERR 25/2 EC IM0009883.PNG Centrifugal duct fan, DN 250, air volume 1,056 m³/h, motor with EC technology

Characteristic curve

ERR 25/2 EC - Characteristic curve

  1. Auxiliary characteristics curves for control voltage 2 - 10 V

Dimensioned drawing

ERR 25/2 EC - Dimensioned drawing [mm]

Technical data

ERR 25/2 EC - Technical data

Article ERR 25/2 EC
Air flow volume 1.056 m³/h
Rotating speed 3.395 1/min
Impeller type radial
Speed controllable
Reversing capacity
Type of voltage Alternating current
Rated voltage 230 V
Frequency 50 Hz/60 Hz
Nominal output 171 W
Imax 0,8 A
Degree of protection IP X4
Insulation class F
Pole-changeable
Installation site Duct
Installation position vertical / horizontal
Material Sheet steel, powder coated
Housing material Sheet steel, powder coated
Colour Light grey
Weight 5,3 kg
Weight including packaging 5,8 kg
Nominal size 250 mm
Width 230 mm
Height 368 mm
Depth 333 mm
Width with packaging 300 mm
Height with packaging 390 mm
Depth with packaging 390 mm
Airstream temperature at IMax 60 °C
Sound pressure level 35 dB(A) / Distance 3 m, Free-field conditions
Packing unit 1 piece
Range E
GTIN (EAN) 4012799735885
Article number 0073.0588

 

63 Hz

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

8 kHz

Total

LWA3, S3 (dB(A))

55

LWA3

Distance 3 m, Free-field conditions

Accessories

ERR 25/2 EC - Accessories

Specific accessories

Product type Name Art. No. Price*(EUR) Action
Fixing cuff ELR 25 0092.0113 on request
  • On the notes
Mounting foot FUR 16S/20/25 0036.0088 on request
  • On the notes

General accessories

Product description

Productdescription

ERR 25/2 EC

short description

Centrifugal duct fan, DN 250, air volume 1,056 m³/h, motor with EC technology

Product description

Features

  • Efficient centrifugal duct fan made of powder-coated sheet steel.
  • Suitable for industrial and residential installations.
  • Centrifugal impeller with backwards curved blades.
  • Quiet and powerful.
  • Reduced space requirement due to compact dimensions.
  • For direct installation between ducts, for ventilation or air extraction, depending on the installation position.
  • Round connection sockets on inlet and outlet side adapted to standard ducts.
  • Mounting foot available as accessory.

Air flow direction

  • Airstream and direction of rotation are marked by arrows on the fan housing.

Motor

  • Single-phase AC motor.
  • Highly efficient EC motor.
  • Steplessly speed-controllable.
  • Robust motor with ball bearings, maintenance-free.
  • IP X4 degree of protection when installed in ventilation ducts with at least 1 m of duct on the inlet and outlet sides.

Installation instructions

  • Can be fitted in any position.
  • Use optional ELR flexible cuffs to prevent transfer of vibrations to the duct system.

Electrical connection

  • Externally fitted terminal box with cable entry grommet.

Safety instructions

  • The fan may only be operated if the protection against accidental contact of the impeller is guaranteed in accordance with DIN EN ISO 13857 for free inlet fans.

Table of contents

Wiring diagram

ERR 25/2 EC - Wiring diagram

Adjustable speed


Speed adjustable via potentiometer


Maximum speed


Predecessor - successor

Notes
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