• Model:SQS400-1ECL

Quietflow SQS400-1ECL - Centrifugal Box Fan

£ 2,284.66 (excl. VAT)

£ 2,741.59 (inc. VAT)


Quietflow SQS400-1ECL - Centrifugal Box Fan

• Standard size 400 mm
• Air volume flow rates up to 1.051 m3/s
• Static pressures up to 839 Pa
• Suitable for operating temperatures up to +60℃
• Robust galvanised sheet steel casing
• Available in EC
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.

1 x CBM Low Pressure Centrifugal Fan - CBM 10/8 4 Pole 550watt CVR1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 15 40 Frequency Inverter1 x FRQ-10A V2 Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Elta 10 Amp Electronic single phase speed controller.1 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 1001 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 2001 x Balance S Diffuser - NO RING - 125mm1 x Round ceiling diffuser 400mm1 x Electronic extractor fan speed controller - FSC 1.51 x JSR 200 Painted RAL50181 x EC6H - Reversible Group Fan Electronic Controller1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Circular Ceiling Diffuser - TST 1601 x EFSC-3N- Single Phase Speed Control1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Balance S Diffuser - NO RING - 100mm1 x Elta 2 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 200mm1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps2 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 12amps1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 350mm2 x COM-31 x Round ceiling diffuser 250mm1 x EFSC-6N- Single Phase Speed Control1 x PCA Diffuser - PCA-2501 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps1 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer3 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel4 x Transformer 5 Speed Controller - ATC1-4TK1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x CS2 Current Switch1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-12TK1 x Helios TSW 7.5 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Three Phase Transformer controllers - RMT 1.5 Amp2 x Helios TSW MCB Amp Transformer speed controller1 x RDS 7 Helios Transformer Controller With Motor Protection1 x Helios TSW 10 Amp Transformer speed controller1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-8TK1 x Helios TSW 3 Amp Transformer speed controller1 x DEF-140T Inlet Guard for the CBT-100N1 x Isolator Switch - ISOSW1 x MWS 3 – Transformer Controller With Motor Protection1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x TG-K Duct temperature sensor1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-43 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Remote controller FLEX - for VEKO INT2 x Transformer 5 Speed Controller - ATC1-10TK
Reviews
TD-SILENT 350/125
TD-SILENT 350/125
£ 178.68

Excellent low noise fan, I've got one unit running years and...