Channel fan

DPK 25/4 Ex

No longer available for delivery
Article number: 0086.0641
Manufacturer: MAICO
Centrifugal duct fan, three-phase AC, explosion proof
Application examples: Workplace air extraction system, Laboratory, Industrial building
Product data sheet
DPK 25/4 Ex IM0000724.PNG Centrifugal duct fan, three-phase AC, explosion proof

Characteristic curve

DPK 25/4 Ex - Characteristic curve

Dimensioned drawing

DPK 25/4 Ex - Dimensioned drawing [mm]

A: 500 mm
B: 300 mm
C: 520 mm
D: 320 mm
E: 540 mm
F: 340 mm
G: 560 mm
H: 372 mm

Technical data

DPK 25/4 Ex - Technical data

Article DPK 25/4 Ex
Air flow volume 2.600 m³/h
Rotating speed 1.280 1/min
Speed controllable
Type of voltage Three-phase AC
Rated voltage 400 V
Nominal output 770 W
Inom 1,6 A
Imax 1,6 A
Degree of protection IP 44
Mains cable 5 x 1,5 mm²
Installation site Channel
Installation position horizontal
Housing material Sheet steel, galvanised
Weight 28,5
Ambient temperature 40 °C
IA/IN 2,8
Certified as explosion proof Ex-95.D.3277
Terminal box certified as explosion proof Ex-95.D.3003U
Packing unit 1 piece
Range D
GTIN (EAN) 4012799866411
Article number 0086.0641

 

63 Hz

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

8 kHz

Total

LWA2, high (dB(A))

62

65

72

77

80

76

72

58

68

LWA4, high (dB(A))

83

LWA2= housing sound power level in dB.

LWA4

Accessories

DPK 25/4 Ex - Accessories

Specific accessories

Product type Name Art. No. Price*(EUR) Action
Motor protection switch MVK 6 No longer available for delivery 0157.0763 on request
  • On the notes

General accessories

Product type Name Art. No. Price*(EUR) Action
Servomotor MS 8 0157.0760 on request
  • On the notes
Servomotor MS 8 P 0157.0761 on request
  • On the notes
Air filter TFP 25 0149.0032 on request
  • On the notes
5-step switch for TRE...S -2/ TR...S-2 5-step transformers DSS 20 0157.0750 on request
  • On the notes
Channel shutter AKP 25 No longer available for delivery 0151.0097 on request
  • On the notes
TR 2,5 No longer available for delivery 0157.0381 on request
  • On the notes
5-step transformer, control cabinet TR 2,5 S No longer available for delivery 0157.0742 on request
  • On the notes

Product description

Productdescription

DPK 25/4 Ex

short description

Centrifugal duct fan, three-phase AC, explosion proof

Product description

Features

  • MAICO Ex fans fulfil the safety requirements of European Guideline 2014/34/EU for units and protective systems in areas subject to explosion hazards.
  • richtlinie-in-kraft
  • The fans fulfil this guideline.
  • Technical data subject to change without notice.
  • Type of protection "e": Increased safety
  • For zones 1 and 2.
  • Installation in rectangular ventilation channels.
  • Flange profiles fitted on the inlet and outlet sides.
  • Galvanised housing with externally fitted terminal box.
  • Housing is not gas-tight.
  • Reduced space requirement due to the compact dimensions.
  • Centrifugal impeller made of galvanised steel, with forward curved blades.
  • Motor and impeller are statically and dynamically balanced in accordance with DIN ISO 1940, Balance quality 2.5.
  • Use ELP-Ex flexible coupling to prevent transfer of vibrations onto the channel system.

Air flow direction

  • Airstream and rotational directions are indicated by arrows marked on the fan housing

Motor

  • External rotor motors with speed control.
  • Robust motor with ball bearings, maintenance-free.
  • Moisture protection impregnation.
  • Temperature class F.
  • Motor protection class IP 44.

Electrical connection

  • Explosion proof terminal boxes, with PG 16 cable screw-connections.
  • Connecting cable, approx. 0.7 m long.
  • IP 44 degree of protection.

Safety instructions

  • The integrated PTC thermistor temperature sensors must be connected to a certified cut-out unit, e.g. MVK 6 motor protection unit.
  • The fan may only be operated using the rated voltage shown on the rating plate.
  • Ensure that foreign bodies cannot fall into or be sucked into the fan.
  • Speed control is only permitted with a transformer.

Special versions

  • The following special versions are available at extra cost on request:
  • Special voltages.

Table of contents

Wiring diagram

DPK 25/4 Ex - Wiring diagram





Predecessor - successor

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