• 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.

2 x PIR Sensor - PIR22 x PIR Sensor - PIR41 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter1 x TDP-D Pressure Sensor with Display1 x FU 15 40 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x FRQ5-10A Inverter Speed controller1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x NKS-D swirl diffuser v-300 x 300mm1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Circular Ceiling Diffuser - TST 1251 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x Circular Ceiling Diffuser - TST 2001 x Balance S Diffuser - NO RING - 125mm1 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x Circular Ceiling Diffuser - TST 1601 x JSR 200 Painted RAL50182 x Isolator Switch - ISOSW1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 200mm1 x Round ceiling diffuser 250mm1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 350mm2 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x DEF-CBM-RE-7 - Protection Guard1 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 UB47- Universal Insulated Terminal1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EM30-24 Electro-Mechanical Control Panel1 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 EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC56/631 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC45/501 x Duct Termination with Mesh - 100mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm1 x Run On Timer - 5s - 4hrs - RT5A1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x CBM 7/7 4p 300W RE-VR1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x RTRD - Three Phase Speed Controller - 7 Amp1 x DPD 10:30AM Delivery Surcharge1 x Manrose T12 STANDARD Transformer- T12S1 x HPA Heavy Duty Flexible Ducting - HPA300-FD52 x DV-ROF-V-315 Roof mounted unit1 x Economy Airvent 150mm Fan1 x 18M - 80mm PVC flexible ducting1 x JETLINE-100 ECOWATT - In Line Centrifugal Duct Fan1 x Manrose 150mm - XF150BHP1 x Manrose 150mm - XF150BP1 x DV-ROF-V-225 Roof mounted unit1 x Pallet Delivery Surcharge1 x DPD SATURDAY Delivery Surcharge1 x Control board kit Smarty 4X P 1.1 F2 Fan 230V2 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Economy Airvent 100mm Fan with Timer & Shutter1 x AL 450 EC 03 AXIALINE - High Performance Long Cased Axial Fan2 x HQS Bathroom Axial Flow Fan - 125mm1 x Jetflow-HIT Metal inline - 125mm1 x D2E-146-AP47-751 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm2 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm2 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x Manrose Auto Shutter - XF150AP1 x Capacitor 2uf for use with the EBM A4E range1 x Maico EN31- Wall Mounted Fan2 x Fresh Air control carbon filter - 125mm1 x LF-ME04F071LC3AC1 x Bathroom Fan -Envirovent- Silent 100 S (Standard Model)1 x H14 Hepa Portable Air Purifier - PAP 350 CA H14 with Carbon Filter1 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x RTRD - Three Phase Speed Controller - 4 Amp1 x CAB-315 ECOWATT Energy Efficient Acoustic Box Fan1 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x Carriage for Scottish Highlands1 x CRBB/3-160/052M EC 1H0 MP - Radial Impeller - 160mm1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x CRBB/3-190/060M EC 1HO MP - External Rotor Motor Radial Fans1 x Jetflow-HIT Metal inline - 160mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x Small Centrifugal Fans CBM/2-133/190 185w1 x CAB-250 ECOWATT Energy Efficient Acoustic Box Fan1 x Direct Delivery Surcharge - Pre 12:001 x IRAB/4 315A N 230V50Hz 355/100 VE - In-Line Duct Fans - 51329333001 x AW Sileo EC Plate Axial Fan - Three Phase - 560mm1 x Small Centrifugal Fan - CBM/4-160/150-125 W1 x HRB/6-451/20-BMVPN - Special Offer1 x 3-pin Plug and lead for TD Silent Ecowatt1 x CAB-125 ECOWATT Energy Efficient Acoustic Box Fan1 x G2E160−AL19−56 FLUE FAN1 x D2E146-AP47-331 x Manrose 150mm - XF150BTP1 x Direct Delivery Surcharge1 x 150mm - 100mm Round Reducer1 x Small Centrifugal Fan - CBM/4-180/184-150 W1 x Helios DDF-200 Roof Cowl1 x D2E146-AP47-C11 x 1mtr Round Ducting - 100mm1 x BD9/9 centrifugal M4 0.35Kw1 x BD7/7 centrifugal M4 0.13Kw1 x EBM-Papst D3G160-BP03-15 Double inlet1 x TD ECOWATT 350/125 Inline Duct Fan - TD-ECOWATT1 x 150mm - 200mm Round Reducer1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Helios TSW 7.5 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-8TK1 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer 5 Speed Controller - ATC1-10TK1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Temperature Controller - EDTW1 x Helios TSW 0.3Amp Compact Transformer speed controller1 x Helios TSW 3 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-12TK
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

I have a loft mount extractor fan which was very noisy. I ...