• 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 Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Vent Axia T-Series Controller1 x ACO 149-ACO1/EDV1 x BEAS-control module1 x Transformer (silent) speed controller - RE 3.0 Amp1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CS2 Current Switch3 x Elta 6 Amp Electronic single phase speed controller with TK1 x Helios HQW-630/4 - IP551 x EM30-24 Electro-Mechanical Control Panel1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x REE-1 Electronic Speed Controller1 x Helios HQW-200/2 - IP551 x EC-Vent Room Unit1 x TG-K3/NTC10-01 - Duct temperature sensor2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp4 x WS - Reversing Switch from Helios Fans1 x Helios HQW-200/4 - IP551 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Elta ACO Panel 149-ACO18B1 x Systemair Save Connect 2.0 Internet Module3 x MWS 1.5 – Transformer Controller With Motor Protection1 x Transformer (silent) speed controller - RE 1.5 Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x COM-31 x Transformer Speed Control - RTRE- 7.0Amp2 x Electronic extractor fan speed controller - FSC 1.51 x CBM 9-9 550w 4P VR (Open Motor)1 x Helios HQW-315/4 - IP551 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Transformer Speed Control - RTRE- 1.5Amp1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 630
Reviews
Soler & Palau TCBB/4-450/H - IP65
Soler & Palau TCBB/4-450/H - IP65
£ 505.88

Delivered super promptly yesterday, next day. Only just fitt...