Sound absorber

SD M4020H SL2

New development
Article number: 0043.2867
SL2 sound absorber for installation on RLT FLAT 2000. Order necessary with RLT FLAT central air handling unit.

Product data sheet
SD M4020H SL2 IM0023575.PNG SL2 sound absorber for installation on RLT FLAT 2000. Order necessary with RLT FLAT central air handling unit.

Characteristic curve

Dimensioned drawing

SD M4020H SL2 - Dimensioned drawing [mm]

Technical data

SD M4020H SL2 - Technical data

Article SD M4020H SL2
Installation site Ceiling
Material Metal
Colour Telegray, similar to RAL 7047
Weight 98 kg
Weight including packaging 107,8 kg
Width 1.188 mm
Height 406 mm
Depth 856 mm
Width with packaging 1.308 mm
Height with packaging 646 mm
Depth with packaging 976 mm
Insertion loss at 63 Hz 4,4 dB
Insertion loss at 125 Hz 6,6 dB
Insertion loss at 250 Hz 22 dB
Insertion loss at 500 Hz 20,5 dB
Insertion loss at 1 kHz 23,5 dB
Insertion loss at 2 kHz 23,5 dB
Insertion loss at 4 kHz 16,9 dB
Insertion loss at 8 kHz 16,1 dB
Packing unit 1 piece
Range X
GTIN (EAN) 4012799321668
Article number 0043.2867

Product description

Productdescription

SD M4020H SL2

short description

SL2 sound absorber for installation on RLT FLAT 2000. Order necessary with RLT FLAT central air handling unit.

Product description

  • Silencer baffles based on the absorber principle, made of abrasion-resistant and non-combustible mineral fibre panels, surrounded by a sturdy sheet metal housing, the surface additionally bevelled.
  • Non-combustible according to DIN 4102, class A.
  • Small model (SL1) and large model (SL2).

Housing

  • Monoblock housing in self-supporting frame construction.
  • The insulation between the double-walled panels consists of 40 mm (70 kg/m³) rock wool, resulting in a heat transfer class of T2.
  • Device classification A1 according to DIN 4102 (non-combustible).
  • The exterior panels are powder-coated in RAL 7047.
  • Inside: Galvanised sheet steel.
  • Smooth interior surfaces.

Table of contents

Wiring diagram

SD M4020H SL2 - Wiring diagram

Predecessor - successor

Notes
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