Exhaust air silencer

SDA 40

No longer available for delivery
Article number: 0092.0390
Manufacturer: MAICO
Exhaust air silencer for ERD 40 and DRD 40 roof fans
SDA 40 IM0009961.PNG Exhaust air silencer for ERD 40 and DRD 40 roof fans

Characteristic curve

Dimensioned drawing

SDA 40 - Dimensioned drawing [mm]

  • SDA 40 IM0001100.PNG Exhaust air silencer for ERD 40 and DRD 40 roof fans
A: 890 mm
B: 770 mm
C: 1.251 mm
D: 722 mm

Technical data

SDA 40 - Technical data

Article SDA 40
Loss of pressure 5 Pa
Installation site Roof
Housing material Sheet steel, galvanised
Suitable for nominal size 400 mm
Ambient temperature 100 °C
Insertion loss at 125 kHz 4 dB
Insertion loss at 250 kHz 4 dB
Insertion loss at 500 kHz 12 dB
Insertion loss at 1 kHz 16 dB
Insertion loss at 2 kHz 14 dB
Insertion loss at 4 kHz 17 dB
Insertion loss at 8 kHz 17 dB
Total insertion loss 11 dB
Packing unit 1 piece
Range C
GTIN (EAN) 4012799923909
Article number 0092.0390

Accessories of

SDA 40 - Accessories of

is a general accessory of

Product typeNameArt. No.Price*(EUR)Action
Centrifugal roof fanERD, DRD - DN 400---

Product description


SDA 40

short description

Exhaust air silencer for ERD 40 and DRD 40 roof fans

Product description

  • Sound absorber for pressure side sound insulation of ERD and DRD roof fans.
  • With silencing elements made of water repellent and non-flammable material.
  • Easy installation - retrofit installation is also possible.

Table of contents

Wiring diagram

SDA 40 - Wiring diagram

Predecessor - successor

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