SEF certified smoke extraction fan


SEF certified smoke extraction fan

SEF smoke extraction fan with vertical exhaust is approved for temperatures up to 400°C for 120 min.

SEF and TGKS roof cowl has been tested and approved as a general operations fan and evacuation fan in accordance with EN12101-3:2015. Certificate: 0402-CPD-453701

SEF is made of die-cast aluminium and surface treated with hammer varnish, which makes it light, mechanically strong and extremely resistant to corrosion (Corrosion class C4 in accordance with EN ISO 12944-2). 

The motor is a temperature resistant, sealed asynchronous motor with lifetime lubricated ball bearings. This ensures a long service life, high efficiency and low noise levels.

SEF is supplied as standard with vibration damper, armoured cable, mineral wool mat and safety screws which ensure the fan stays attached to the roof cowl whatever the weather or conditions.

Technical data

SEF smoke extraction fan

Technical data

  SEF250-4-3 SEF315-4-3 SEF400-4-3 SEF450-4-3
Power supply 3 x 400 V
rpm 1400 1400 1400 1400
Amp 0.4 1.1 1.3 3.4
kW 0.10 0.32 0.42 1.5
Weight, kg 26 35 44 66
Corrosion class C4 in accordance with EN ISO 12944-2
Capacity curves

SEF smoke extraction fan


Sound data

SEF smoke extraction fan

  SEF250-4-3 SEF315-4-3 SEF400-4-3 SEF450-4-3
125 Hz 64 71 76 78
250 Hz 68 75 80 86
500 Hz 68 70 75 77
1,000 Hz 85 73 79 81
2,000 Hz 61 68 74 74
4,000 Hz 49 57 62 65
8,000 Hz 45 52 57 58
Lp dB(A) 41 48 53 56


Lw = sound output level dB (reference: 1 pW)
Lp = sound output level dB (A) at 10 m distance from the fan with semi-spherical sound dissipation

Lp (5 m) = Lp (10 m) + 6 dB
Lp (20 m) = Lp (10 m) - 6 dB
Tolerance +/-3 dB

Dimensional drawing

SEF smoke extraction fan

Dimensional drawing

SEF målskitse
1. Connecting cable
2. Top section
3. Motor
4. Centrifugal impeller
5. Bottom section
6. Safety screws
7. Handle
8. Hinges


  SEF250-4-3 SEF315-4-3 SEF400-4-3 SEF450-4-3
A mm 335 380 430 645
B mm 485 580 650 650
C mm 385 485 525 525
D Ømm 250 315 400 400
E mm 100 115 130 220



SEF smoke extraction fan

The fan is fitted onto the roof cowl using the supplied vibration dampers, This ensures vibration-free operation, while the mineral wool mat positioned on the spigot forms a seal between the fan and the roof cowl. The safety bolts are fitted in the roof cowl.

The TGKS roof cowl is composed of galvanised sheet metal, 50 mm mineral wool that insulates against sound and condensation, mesh, and an inner housing of perforated galvanised sheet metal.

SEF can also be mounted on an existing roof cowl using an FPTS mounting panel.

SEF montage

Add all about the product series SEF certified smoke extraction fan


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