ILT EX

Rectangular duct fans designed for use in any position in rectangular ventilation ducts and adapted for operation in zones with danger of explosion.

Accessories

 

Application

Range of in-line rectangular duct fans designed to operate in areas with explosion hazard, suitable for mounting in any position in rectangular ventilation ducts.

Construction

Manufactured from galvanised steel sheet and provided with an inspection cover that can be removed to access the motor/impeller assembly without having to remove the complete fan casing from the ducting.

All models are equipped with directly driven radial impeller with curved blades type F. Permissible operating temperature range from -20°C to 55°C.

Electric motor

Fans equipped with a three-phase 230 / 400V-50Hz explosion-proof motors, 4-pole, designed for rotation speed control with RTM auto-transformer or a dedicated frequency inverter VFTM (Note: these accessories are certified for use with ILT EX fans and cannot be replaced with components of other type or manufacture).

Explosion-proof motors of reinforced construction II2G ExeIIT3 Gb. Fans with three-phase motors 400V-50Hz are supplied on request.

The motor is equipped with posistor sensors - PTC, which must absolutely be connected to a dedicated thermal protection device. Dedicated thermal protection device: MSK-EX.
Name Pole Nominal
voltage [V]
Speed
[r.p.m.]
P max
[W]
I max
[A]
Q max
[m3/h]
P
static [Pa]
Weight
[kg]
Temp.
min.
[oC]
Temp.
max.
[oC]
ILT/4-225 EX 400V 400 1200 565 1 1720 380 20 -20 55
ILT/4-225 EX 280V 280 1200 565 1 1440 370 20 -20 55
ILT/4-225 EX 200V 200 1200 565 1 1050 340 20 -20 55
ILT/4-225 EX 150V 150 1200 565 1 840 280 20 -20 55
ILT/4-225 EX 90V 90 1200 565 1 480 155 20 -20 55
ILT/4-225 EX 50Hz 400 1200 565 1 1660 330 20 -20 55
ILT/4-225 EX 40Hz 400 1200 565 1 1360 215 20 -20 55
ILT/4-225 EX 30Hz 400 1200 565 1 920 120 20 -20 55
ILT/4-250 EX 400V 400 1240 1150 1.9 2610 530 25 -20 55
ILT/4-250 EX 280V 280 1240 1150 1.9 2100 520 25 -20 55
ILT/4-250 EX 200V 200 1240 1150 1.9 1580 490 25 -20 55
ILT/4-250 EX 150V 150 1240 1150 1.9 1220 430 25 -20 55
ILT/4-250 EX 90V 90 1240 1150 1.9 720 260 25 -20 55
ILT/4-250 EX 50Hz 400 1240 1150 1.9 2650 495 25 -20 55
ILT/4-250 EX 40Hz 400 1240 1150 1.9 2150 320 25 -20 55
ILT/4-250 EX 30Hz 400 1240 1150 1.9 1640 175 25 -20 55
ILT/4-250 EX 25Hz 400 1240 1150 1.9 1300 130 25 -20 55
ILT/4-285 EX 400V 400 1200 1430 2.3 3260 720 32 -20 55
ILT/4-285 EX 280V 280 1200 1430 2.3 2480 670 32 -20 55
ILT/4-285 EX 200V 200 1200 1430 2.3 1820 540 32 -20 55
ILT/4-285 EX 150V 150 1200 1430 2.3 1340 400 32 -20 55
ILT/4-285 EX 90V 90 1200 1430 2.3 770 160 32 -20 55
ILT/4-285 EX 50Hz 400 1200 1430 2.3 3140 670 32 -20 55
ILT/4-285 EX 40Hz 400 1200 1430 2.3 2610 425 32 -20 55
ILT/4-285 EX 30Hz 400 1200 1430 2.3 2000 230 32 -20 55
ILT/4-285 EX 25Hz 400 1200 1430 2.3 1640 155 32 -20 55
ILT/4-315 EX 400V 400 1370 2300 4.9 4000 630 42 -20 55
ILT/4-315 EX 280V 280 1370 2300 4.9 3470 620 42 -20 55
ILT/4-315 EX 200V 200 1370 2300 4.9 2780 580 42 -20 55
ILT/4-315 EX 150V 150 1370 2300 4.9 2180 540 42 -20 55
ILT/4-315 EX 90V 90 1370 2300 4.9 1350 385 42 -20 55
ILT/4-315 EX 50Hz 400 1370 2300 4.9 3600 580 42 -20 55
ILT/4-315 EX 40Hz 400 1370 2300 4.9 2920 360 42 -20 55
ILT/4-315 EX 30Hz 400 1370 2300 4.9 2120 205 42 -20 55
ILT/4-315 EX 25Hz 400 1370 2300 4.9 1750 150 42 -20 55

Performance curves