• 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 1.5 Amp2 x Elta 3 Amp Electronic single phase speed controller with TK2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Elta ACO Panel 149-ACO14E2 x Elta 6 Amp Electronic single phase speed controller with TK2 x Envirovent G4 Filter - SL-G4/F71 x CONTROL ECOWATT - Basic4 x MWS 1.5 – Transformer Controller With Motor Protection1 x EM30-24 Electro-Mechanical Control Panel1 x BEAS-control module1 x EC-Vent control board3 x TG-K3/NTC10-01 - Duct temperature sensor2 x EC6H - Reversible Group Fan Electronic Controller3 x Helios HQW-200/2 - IP551 x ACO 149-ACO1/EDV1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Helios HQW-630/4 - IP551 x WS - Reversing Switch from Helios Fans1 x Elta ACO Panel 149-ACO18B2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Systemair Save Connect 2.0 Internet Module1 x Transformer 5 Speed Controller - ATC1-12TK1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS3 x Helios HQW-200/4 - IP551 x Airvent ceiling fan controller1 x Two Speed Switch - REGUL-21 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x EC-Vent Room Unit1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Multiflow SMB550/4-1AC1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x REE-1 Electronic Speed Controller1 x Speed Controller - REB31 x EM30-24 Control Panel Commissioning Service1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Vent Axia Silent 100T (TIMER)1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Vent Axia T-Series Controller
Reviews
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