• Model:SQS250-1ECL

Quietflow SQS250-1ECL - Centrifugal Box Fan

£ 1,259.39 (excl. VAT)

£ 1,511.27 (inc. VAT)


Quietflow SQS250-1ECL - Centrifugal Box Fan

• Standard size 250 mm
• Air volume flow rates up to 0.347 m3/s
• Static pressures up to 841 Pa
• Suitable for operating temperatures up to +60℃
• Robust galvanised sheet steel casing
Acoustically lined single in-line centrifugal fans, suitable for internal duct mounting. The Quietflow incorporates advanced backward curved impellers, with three ndimensional profiled blades.

Low Noise
Each unit is acoustically lined internally with Class O rated (BS 476 Parts 6 and 7) fire resistant acoustic foam lining minimising breakout noise levels.

Easy Installation
New multi-mount brackets allow easy mounting in a range of orientations.

Easy Commissioning
Integrated commissioning control allowing single speed selection and also limiting maximum speed if used with an external potentiometer.

Efficient Performance
High efficiency low tonal noise backward curved centrifugal impellers are directly driven by an EC external rotor motor, provide low specific fan powers and stepless speed control without tonal noise generation.

Weather Resistance
Units can be weatherproofed in the factory to allow external installation.

PDF Files


SQS250-1ECL Specification Sheets

1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Circular Ceiling Diffuser - TST 2003 x Elta 3 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 300mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 350mm1 x PCA Diffuser - PCA-2501 x Remote Timer Control - 13512 x Multi Input Run On Timer - 0 - 20min - CFCU1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x FU 075 04 Frequency Inverter (IP20)1 x Airvent ceiling fan controller3 x Push Timer Switch - ZA41 x ELTA - Single Phase Transformer 12amps1 x Round ceiling diffuser 200mm1 x Elta 2 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 250mm1 x Helios TSW 3 Amp Transformer speed controller3 x Isolator Switch - ISOSW1 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 15 40 Frequency Inverter1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x EFSC-6N- Single Phase Speed Control2 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer 5 Speed Controller - ATC1-8TK3 x Vent Axia ACM 125 inline mixed flow duct fan1 x TG-K Duct temperature sensor1 x EC6H - Reversible Group Fan Electronic Controller1 x Run On Timer - 5s - 4hrs - RT5A1 x CS2 Current Switch3 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x FRQ5-4A V2 Inverter Speed Controller1 x Temperature Fan Speed Controller - ATCP4-WMS1 x Transformer 5 Speed Controller - ATC1-4TK2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Elta 6 Amp Electronic single phase speed controller with TK2 x MWS 3 – Transformer Controller With Motor Protection1 x EC-Vent control board1 x Round ceiling diffuser 400mm1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x EM30-24 Electro-Mechanical Control Panel2 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-12TK2 x Systemair Save Connect 2.0 Internet Module1 x BEAS-control module1 x Vent Axia T-Series Controller2 x MWS 1.5 – Transformer Controller With Motor Protection1 x WS - Reversing Switch from Helios Fans1 x ACO 149-ACO1/EDV1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x REE-1 Electronic Speed Controller1 x Remote controller FLEX - for VEKO INT1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Two Speed Switch - REGUL-21 x Helios HQW-630/4 - IP551 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x Transformer (silent) speed controller - RE 3.0 Amp1 x TG-K3/NTC10-01 - Duct temperature sensor1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Transformer speed controller - ATC1 - 1.5 Amps1 x Electronic extractor fan speed controller - FSC 1.51 x Helios TSW 7.5 Amp Transformer speed controller1 x Helios TSW MCB Amp Transformer speed controller1 x Vent Axia ACM 150 inline mixed flow duct fan1 x MV-B Dual Switch for use with Helios HQW plate fans,
Reviews
Duct Mounted Inline Filter - EU4
Duct Mounted Inline Filter - EU4
£ 44.99

Well made and robust, but it was not use for my application ...