Find by model
No model number? Select by duty point →

Ultra Silent Duct Fans

Duct fans for noise-sensitive spaces, with optimised blade profiles and sound-attenuating casings. Final selection is confirmed at the duty point (airflow / static pressure / voltage / control mode) and by project verification.

Browse by size

Impeller Ø100–150 mmImpeller Ø100–150 mm15 modelsImpeller Ø200–400 mmImpeller Ø200–400 mm21 models

Browse by series

AllLWDA1003LWDA1253LWDA1503LWDA2003LWDA2502LWDA3002LWDA3552LWDA4002LWDE1002LWDE1252LWDE1502LWDE2002LWDE2502LWDE3002LWDE3552LWDE4002
Filter by duty point36 models in this category

Filters use nameplate maximum values (max airflow at zero static pressure, max static pressure at zero airflow). Check the actual operating point on the performance curve of each model.

ViewData tableImage grid
ModelSizeMax airflowm³/hMax static pressurePaPowerWNoisedB(A)SpeedrpmVoltageV
LWDA-100 (4")S-MWN-04 LWDA-100 (4")S-MWN-04AC Ø100 mm 605 see curve 41 49 2,900 220-240 Details
LWDA-100 (4")U-MWN-03 LWDA-100 (4")U-MWN-03AC Ø100 mm 410 see curve 41 51 3,350 110-120 Details
LWDA-100S-PWN-15 LWDA-100S-PWN-15AC Ø100 mm 319 185 40 25 2,550 230 Details
LWDA-125 (5")S-MWN-04 LWDA-125 (5")S-MWN-04AC Ø125 mm 605 see curve 41 49 2,900 220-240 Details
LWDA-125 (5")U-MWN-03 LWDA-125 (5")U-MWN-03AC Ø125 mm 410 see curve 41 51 3,350 110-120 Details
LWDA-125S-PWN-11 LWDA-125S-PWN-11AC Ø125 mm 319 185 40 25 2,550 230 Details
LWDA-150 (6")S-MWN-04 LWDA-150 (6")S-MWN-04AC Ø150 mm 620 see curve 41 50 2,900 220-240 Details
LWDA-150 (6")U-MWN-03 LWDA-150 (6")U-MWN-03AC Ø150 mm 437 see curve 55 53 3,400 110-120 Details
LWDA-150S-PWN-13 LWDA-150S-PWN-13AC Ø150 mm 556 309 80 27 2,550 230 Details
LWDA-200 (8")S-MWN-04 LWDA-200 (8")S-MWN-04AC Ø200 mm 1,150 see curve 143 57 2,900 220-240 Details
LWDA-200 (8")U-MWN-03 LWDA-200 (8")U-MWN-03AC Ø200 mm 720 see curve 179 61 3,400 110-120 Details
LWDA-200S-PWN-14 LWDA-200S-PWN-14AC Ø200 mm 1,236 391 130 29 2,500 230 Details
LWDA-250 (10")S-MWN-04 LWDA-250 (10")S-MWN-04AC Ø250 mm 1,900 see curve 162 60 2,750 220-240 Details
LWDA-250 (10")U-MWN-03 LWDA-250 (10")U-MWN-03AC Ø250 mm 1,219 see curve 228 62 3,000 110-120 Details
LWDA-300 (12")S-MWN-04 LWDA-300 (12")S-MWN-04AC Ø300 mm 3,150 see curve 320 65 2,900 220-240 Details
LWDA-300 (12")U-MWN-03 LWDA-300 (12")U-MWN-03AC Ø300 mm 1,900 see curve 489 71 3,450 110-120 Details
LWDA-355 (14")S-MWN-04 LWDA-355 (14")S-MWN-04AC Ø355 mm 6,450 see curve 903 68 2,900 220-240 Details
LWDA-355 (14")U-MWN-03 LWDA-355 (14")U-MWN-03AC Ø355 mm 2,130 see curve 260 63 1,720 110-120 Details
LWDA-400 (16")S-MWN-04 LWDA-400 (16")S-MWN-04AC Ø400 mm 7,100 see curve 1,300 71 2,940 220-240 Details
LWDA-400 (16")U-MWN-03 LWDA-400 (16")U-MWN-03AC Ø400 mm 2,500 see curve 440 66 1,780 110-120 Details
LWDE-100 (4")S-MWN-04 LWDE-100 (4")S-MWN-04EC Ø100 mm 697 see curve 35 51 3,350 220-240 Details
LWDE-100 (4")U-MWN-03 LWDE-100 (4")U-MWN-03EC Ø100 mm 410 see curve 35 51 3,350 110-120 Details
LWDE-125 (5")S-MWN-04 LWDE-125 (5")S-MWN-04EC Ø125 mm 697 see curve 35 51 3,350 220-240 Details
LWDE-125 (5")U-MWN-03 LWDE-125 (5")U-MWN-03EC Ø125 mm 410 see curve 35 51 3,350 110-120 Details
LWDE-150 (6")S-MWN-04 LWDE-150 (6")S-MWN-04EC Ø150 mm 720 see curve 35 53 3,400 220-240 Details
LWDE-150 (6")U-MWN-03 LWDE-150 (6")U-MWN-03EC Ø150 mm 437 see curve 35 53 3,400 110-120 Details
LWDE-200 (8")S-MWN-04 LWDE-200 (8")S-MWN-04EC Ø200 mm 1,310 see curve 140 59 3,300 220-240 Details
LWDE-200 (8")U-MWN-03 LWDE-200 (8")U-MWN-03EC Ø200 mm 700 see curve 140 59 3,300 110-120 Details
LWDE-250 (10")S-MWN-04 LWDE-250 (10")S-MWN-04EC Ø250 mm 2,075 see curve 195 62 3,000 220-240 Details
LWDE-250 (10")U-MWN-03 LWDE-250 (10")U-MWN-03EC Ø250 mm 1,219 see curve 195 62 3,000 110-120 Details
LWDE-300 (12")S-MWN-04 LWDE-300 (12")S-MWN-04EC Ø300 mm 3,500 see curve 352 70 3,200 220-240 Details
LWDE-300 (12")U-MWN-03 LWDE-300 (12")U-MWN-03EC Ø300 mm 1,763 see curve 352 70 3,200 110-120 Details
LWDE-355 (14")S-MWN-04 LWDE-355 (14")S-MWN-04EC Ø355 mm 6,200 see curve 659 67 2,800 220-240 Details
LWDE-355 (14")U-MWN-03 LWDE-355 (14")U-MWN-03EC Ø355 mm 3,467 see curve 659 67 2,800 110-120 Details
LWDE-400 (16")S-MWN-04 LWDE-400 (16")S-MWN-04EC Ø400 mm 6,850 see curve 1,200 70 2,800 220-240 Details
LWDE-400 (16")U-MWN-03 LWDE-400 (16")U-MWN-03EC Ø400 mm 4,032 see curve 1,200 70 2,800 110-120 Details
Certifications for this product line
FCC ×2CE-LVD ×2CE-EMC
View certificates →
Scroll to Top
RFQ list