• 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 Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer3 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Isolator Switch - ISOSW1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x CS2 Current Switch2 x MWS 3 – Transformer Controller With Motor Protection1 x 7 Day Programmable TIMECLOCK2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x TTC-2000 Three phase electric heater controller2 x COM-33 x Systemair Save Connect 2.0 Internet Module2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E2 x Elta 6 Amp Electronic single phase speed controller with TK1 x CONTROL ECOWATT - Basic1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x TG-K3/NTC10-01 - Duct temperature sensor2 x Remote Timer Control - 13511 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x Vent Axia ACM 100 inline mixed flow duct fan2 x MWS 1.5 – Transformer Controller With Motor Protection1 x Elta Variable Speed Drive IP66 - 0.75KW2 x Transformer Speed Control - RTRE- 7.0Amp1 x EC-Vent Room Unit1 x WS - Reversing Switch from Helios Fans1 x Isolator Switch - EFF-ISO1 x Silent 100 Window Kit - windowS1 x Multiflow SMB550/4-1AC1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Helios HQW-200/4 - IP552 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Transformer (silent) speed controller - RE 3.0 Amp1 x PIR Sensor - PIR21 x Electronic extractor fan speed controller - FSC 1.51 x BEAS-control module1 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...