• 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 Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Elta ACO Panel 149-ACO14E1 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic2 x Elta 6 Amp Electronic single phase speed controller with TK1 x Helios HQW-200/2 - IP551 x Elta 3 Amp Electronic single phase speed controller with TK1 x EC-Vent control board1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x Envirovent G4 Filter - SL-G4/F71 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 x Systemair Save Connect 2.0 Internet Module3 x EC6H - Reversible Group Fan Electronic Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6305 x MWS 1.5 – Transformer Controller With Motor Protection2 x Helios HQW-630/4 - IP551 x EC-Vent Room Unit3 x Helios HQW-200/4 - IP551 x Vent Axia T-Series Controller1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Speed Controller - REB51 x Elta Variable Speed Drive IP66 - 0.75KW1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x WS - Reversing Switch from Helios Fans1 x Transformer 5 Speed Controller - ATC1-12TK2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x TG-K3/NTC10-01 - Duct temperature sensor1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Transformer (silent) speed controller - RE 1.5 Amp
BD9/9 centrifugal M4 0.35Kw
BD9/9 centrifugal M4 0.35Kw
£ 399.00 now £ 350.00
Reviews
EM 250-E2M 01- Etamaster-250
EM 250-E2M 01- Etamaster-250
£ 128.80

Really well made but comes with no speed controler? ?and can...