• Model:SQS400-1ECL

Quietflow SQS400-1ECL - Centrifugal Box Fan

£ 2,284.66 (excl. VAT)

£ 2,741.59 (inc. VAT)


Quietflow SQS400-1ECL - Centrifugal Box Fan

• Standard size 400 mm
• Air volume flow rates up to 1.051 m3/s
• Static pressures up to 839 Pa
• Suitable for operating temperatures up to +60℃
• Robust galvanised sheet steel casing
• Available in EC
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.

1 x Helios TSW 1.5 Amp Transformer speed controller2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Elta Variable Speed Drive IP66 - 4.0KW1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Single Phase Transformer 2amps1 x Electronic extractor fan speed controller - FSC 1.51 x Balance S Diffuser - NO RING - 125mm2 x EC6H - Reversible Group Fan Electronic Controller1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x Elta 2 Amp Electronic single phase speed controller.2 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 16amps1 x Circular Ceiling Diffuser - TST 1001 x 5-Speed Controller for use with Elta SAX Classic Fans1 x PCA Diffuser - PCA-3151 x ELTA - Single Phase Transformer 8amps1 x EFSC-3N- Single Phase Speed Control1 x Curved Blade Grille 600x600 (2way blow)2 x Elta 6 Amp Electronic single phase speed controller with TK1 x JSR 200 Painted RAL50181 x Circular Ceiling Diffuser - TST 2002 x COM-31 x Circular Ceiling Diffuser - TST 1601 x ELTA - Single Phase Transformer 4amps1 x Round ceiling diffuser 400mm1 x AIRVENT speed control - AIR4019611 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 200mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 300mm1 x Balance S Diffuser - NO RING - 100mm1 x ELTA - Single Phase Transformer 10amps1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x Run On Timer - 5s - 4hrs - RT5A1 x Remote Timer Control - 13513 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EM30-24 Control Panel Commissioning Service1 x FU 075 52 Frequency Inverter (IP20)1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Elta 10 Amp Electronic single phase speed controller.2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)3 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Vent Axia T-Series Controller2 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-8TK1 x MWS 5 – Transformer Controller With Motor Protection Unit2 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer 5 Speed Controller - ATC1-12TK1 x Helios TSW 3 Amp Transformer speed controller1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Vent Axia ACM 125 inline mixed flow duct fan1 x CS2 Current Switch1 x TG-K Duct temperature sensor1 x Isolator Switch - ISOSW1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Elta 3 Amp Electronic single phase speed controller with TK1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Multiflow SMB550/4-1AC2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x REB-CVF 0-10v Controller1 x Helios TSW 10 Amp Transformer speed controller
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