• 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 FRQ-10A V2 Inverter Speed controller1 x 220x90mm x 1m Insulated Rectangular Duct1 x EBM-Papst D2E097-BK76-98 Double inlet1 x Circular Ceiling Diffuser - TST 1251 x NKS-D swirl diffuser v-300 x 300mm2 x Elta 10 Amp Electronic single phase speed controller.1 x Circular Ceiling Diffuser - TST 2001 x PCA Diffuser - PCA-3151 x Round ceiling diffuser 400mm1 x Circular Ceiling Diffuser - TST 1001 x ELTA - Single Phase Transformer 2amps1 x Curved Blade Grille 600x600 (2way blow)1 x Balance S Diffuser - NO RING - 125mm1 x Balance S Diffuser - NO RING - 100mm1 x Circular Ceiling Diffuser - TST 1601 x JSR 200 Painted RAL50183 x Electronic extractor fan speed controller - FSC 1.52 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Round ceiling diffuser 200mm2 x EC6H - Reversible Group Fan Electronic Controller2 x Elta 6 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller.1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 16amps1 x Elta 2 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 250mm2 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 12amps1 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 4amps1 x Elta 6 Amp Electronic single phase speed controller.3 x COM-31 x PCA Diffuser - PCA-2502 x Remote Timer Control - 13511 x EFSC-6N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 10amps1 x Helios ZNE Electronic Fan Overrun Timer3 x Push Timer Switch - ZA42 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x EC-Vent control board1 x CONTROL ECOWATT - Basic2 x Speed Controller - REB31 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EC-Vent Room Unit2 x Speed Controller - REB101 x Systemair Save Connect 2.0 Internet Module1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x DEF-CBM-RE-7 - Protection Guard1 x MTS10- extractor fan 3 step switch2 x Speed Controller - REB11 x KMBI 250 Connector rectangular/circular to install on the discharge of CMT1 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x GRA-100 External Grill by S&P1 x Speed Controller - REB81 x Elta Wall Cowl SWC25/311 x Elta Louvre Shutter - 400mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm3 x MWS 3 – Transformer Controller With Motor Protection2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan2 x Remote controller FLEX - for VEKO INT2 x Helios TSW 7.5 Amp Transformer speed controller1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-12TK1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Helios TSW MCB Amp Transformer speed controller2 x Three Phase Transformer controllers - RMT 1.5 Amp2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Helios TSW 10 Amp Transformer speed controller2 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan2 x Isolator Switch - ISOSW3 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-2TK1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Capacitor 2uf for use with the EBM A4E range2 x Vent Axia ACM 125 inline mixed flow duct fan1 x MV-B Dual Switch for use with Helios HQW plate fans,2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x ERR 20/1 Centrifugal inline fan1 x Vent Axia SC5001 - Speed controller1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan2 x Helios TSW 3 Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller1 x RDS 7 Helios Transformer Controller With Motor Protection2 x DEF-140T Inlet Guard for the CBT-100N1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp3 x WS - Reversing Switch from Helios Fans1 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box1 x TG-K Duct temperature sensor1 x ERR 31/1 Centrifugal inline fan2 x MWS 1.5 – Transformer Controller With Motor Protection1 x Transformer speed controller - ATC1 - 1.5 Amps2 x Vent Axia T-Series Controller1 x BEAS-control module2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x ELM 18 EX Flexible Cuff for ERM 182 x Envirovent G4 Filter - SL-G4/F73 x Transformer (silent) speed controller - RE 3.0 Amp2 x Helios HQW-200/2 - IP551 x CBS-60 Outlet Flange for CSB/CBT-601 x TG-K3/NTC10-01 - Duct temperature sensor1 x Helios HQW-200/4 - IP551 x Transformer Speed Control - RTRE- 5.0Amp1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Speed Controller - REB51 x Transformer Speed Control - RTRE- 7.0Amp1 x CBA-60 Inlet Flange for CBT-601 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Speed Controller - REB61 x Transformer (silent) speed controller - RE 5.0 Amp1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-10TK1 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer 5 Speed Controller - ATC1-8TK2 x CS2 Current Switch2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Transformer Speed Control - RTRE- 12.0Amp1 x REE-1 Electronic Speed Controller1 x Helios HQW-630/4 - IP551 x TG-R room temperature sensor
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29

Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...