Instructions for systemair models including: KTEX 50-25-4 3-Phase Rectangular Duct Fan, KTEX 50-25-4, 3-Phase Rectangular Duct Fan, Rectangular Duct Fan, Duct Fan, Fan

KTEX 50-25-4 3-Phase rectangular duct fan (ATEX). 1,800m3/h, 250 x 500mm connections. | Industrial | Commercial


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KTEX 50-25-4(230V3) (ATEX)
KTEX 50-25-4(230V/3~) (ATEX)
Item no. 19403
Description
· Certified according to ATEX · Speed controllable · Integral thermistors (PTC *) · Maintenance-free and reliable
KTEX fans can be installed in any position and are easy to connect using the DS flexible connections. These fans have impellers with forward-curved blades and external rotor motors. The casing is manufactured from galvanised sheet steel, with a copper inlet cone.
To protect the motor from overheating, these fans have integral thermistors (PTC) with external leads which must be connected to the U-EK230E motor protection relay.
Explosion proof versions comply with EN 50014, EN 50019, EN 1127-1 and EN 13463-1. Improved safety in accordance with EEx e II T3. x II 2G
* Positive Temperature Coefficient
Technical parameters
Nominal data Frequency Voltage Phase Input power (P1) Current Max. airflow R.p.m. Min. static back pressure Weight
Temperature data Temperature range, ambient and duct
Sound data Sound pressure level at 3 m
Protection / Classification Insulation class Enclosure class, motor Certificate Explosion proof

Document type: Product card Document date: 2019-07-10 Generated by: Systemair Online Catalogue
50 Hz 230 V
3~ 506 W 1,54 A 0,504 m³/s 1300 r.p.m. 110 Pa 18,2 kg -20-40 °C 50,2 dB(A)
F IP44 Presafe 17ATEX9970X Ex eb IIB+H2 T3 Gb

Name: KTEX 50-25-4(230V/3~) (ATEX) | Item no.: 19403 Document type: Product card | Document date: 2019-07-10 | Generated by: Online catalogue

1/ 5

Get In Touch
Call: 0845 6880112 Email: info@adremit.co.uk

Our Address
Puravent, Adremit Limited, Unit 5a, Commercial Yard, Settle, North Yorkshire, BD24 9RH

Diagrams
Diagrams 300

250

200

Pstat [Pa]

150

100

50

P [W]

00 600 400 200
00

0,1 0,2 0,3 0,4 0,5 0,6
Q [m³/s]
0,1 0,2 0,3 0,4 0,5 0,6
Q [m³/s]

Max efficiency Hydraulic data Working air flow Working static pressure Power Speed Current SFP Voltage Sound power level Inlet Outlet Surrounding

dB(A) dB(A) dB(A)

0,252 m³/s 296 Pa 234 W
1424 r.p.m. 1,02 A 0,929 W/(l/s) 230 V
63 125 250 500 1k 2k 4k 8k Tot 55 64 62 58 60 61 59 54 69 52 65 65 66 68 66 65 60 74 41 51 53 45 50 45 43 38 57

Name: KTEX 50-25-4(230V/3~) (ATEX) | Item no.: 19403 Document type: Product card | Document date: 2019-07-10 | Generated by: Online catalogue

2/ 5

Get In Touch
Call: 0845 6880112 Email: info@adremit.co.uk

Our Address
Puravent, Adremit Limited, Unit 5a, Commercial Yard, Settle, North Yorkshire, BD24 9RH

Wiring

Name: KTEX 50-25-4(230V/3~) (ATEX) | Item no.: 19403 Document type: Product card | Document date: 2019-07-10 | Generated by: Online catalogue

3/ 5

Get In Touch
Call: 0845 6880112 Email: info@adremit.co.uk

Our Address
Puravent, Adremit Limited, Unit 5a, Commercial Yard, Settle, North Yorkshire, BD24 9RH

Dimensions

A B C D E F G H* I** KTEX 50-25 498 248 270 520 540 290 532 34,5 610 KTEX 50-30 498 298 320 520 540 340 562 34,5 695 KTEX 60-30 598 298 320 620 640 340 642 52 715 KTEX 60-35 598 348 370 620 640 390 717 54,5 805 KTEX 70-40 698 398 420 720 740 440 787 50 900
H* = Dimensions from the engine bolts
I** = Dimension with fully open hatch.
Accessories
Electric accessories Trigger unit U-EK230E (30199)
Accessories LDR 50-25 Silencer (5070) FFK 50-25 Filter cassette rect (1752) DS-EX 50-25 Flex. connection (4116)

Name: KTEX 50-25-4(230V/3~) (ATEX) | Item no.: 19403 Document type: Product card | Document date: 2019-07-10 | Generated by: Online catalogue

4/ 5

Get In Touch
Call: 0845 6880112 Email: info@adremit.co.uk

Our Address
Puravent, Adremit Limited, Unit 5a, Commercial Yard, Settle, North Yorkshire, BD24 9RH

Documentation
DKEX_KTEX_IMO_141815_CE_EN_A004.pdf (6,24MB)
Presafe 16 ATEX 8871Q.PDF (261,03kB)
Presafe17ATEX9970X_KTEX_DKEX.PDF (306,91kB)
Specification text
Circular duct fan for easy and direct installation in ducts. Galvanized steel sheet housing. Copper inlet cone. Service cover. The fan unit is mounted on the service cover for easy cleaning and maintenance. Free-running, forward curved circular impeller made of galvanized steel sheet. Impeller acc. to VDI 2060, balancing quality G 6.3, dynamically balanced in two planes. Explosion proof, voltage controllable external rotor motor. (IP44), maintenance-free, the motor is placed inside the air flow for cooling. PTC with leads to a motor protection device (e.g. Systemair U-EK 230E-IP54). Speed-controlled via a 5-step transformer. Supply cable, led out. For indoor installation. Installation in any mounting position. Suitable to transport explosive atmospheres. Tested acc. to ATEX Directive 2014/34/EU. Explosion proof versions comply with EN 60079-7:2015, EN 14986:2007, EN 60079-0:2012. Improved safety in accordance with Ex eb IIB+H2 T3 Gb

Name: KTEX 50-25-4(230V/3~) (ATEX) | Item no.: 19403 Document type: Product card | Document date: 2019-07-10 | Generated by: Online catalogue

5/ 5

Get In Touch
Call: 0845 6880112 Email: info@adremit.co.uk

Our Address
Puravent, Adremit Limited, Unit 5a, Commercial Yard, Settle, North Yorkshire, BD24 9RH



References

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