• UPC/EAN:4010184011033
  • Model:HQW-250/4

Helios HQW-250/4 - IP55

£ 276.50 (excl. VAT)

£ 331.80 (inc. VAT)

Helios 250mm, 4 pole, single phase wall fan with square plate with inlet cone.

Casing
Manufactured in galvanised sheet steel. Also an additional two-layer finishing in papyrus white.

Specification
Max Airflow:930 m3/hr
Motor Power:36W
Motor RPM:1300 rpm
Max Amps (Not speed controlled):0.15A
Max Temp. (Not speed controlled):60 Deg C
Weight:7.5 Kg

Casing
Manufactured in galvanised sheet steel.
Impeller
Highly efficient, profiled blade impeller, dynamically balancedand manufactured from impact resistant polymers. Suitable for-30 to +60 °C.
Motor
Totally enclosed motor with a die-cast aluminium casing, pro-tected to IP 54. Ball bearing mounted. Maintenance-free and interference-free. Humidity pro-tection of windings.
Motor protection
All models have automatically resetting thermal contacts wired in series with the motor windings.
Terminal box (IP 54) mounted onrear of motor as standard.
GuardPowder-coated steel wire according to DIN EN ISO 13857.
Speed control
All models are speed controllable by voltage reduction (trans-former controller or electronic controller).
Reversed operation
All models are reversible when wired to a DSEL reversing switch. For reverse air flow direction allow for 1/3 drop in performance.

Download datasheet HERE
1 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer3 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Multi Input Run On Timer - 0 - 20min - CFCU2 x COM-31 x CS2 Current Switch1 x 7 Day Programmable TIMECLOCK3 x Time Delay Unit - DT20B7 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x TTC-2000 Three phase electric heater controller2 x MWS 3 – Transformer Controller With Motor Protection1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x MV-B Dual Switch for use with Helios HQW plate fans,2 x Isolator Switch - ISOSW2 x Multiflow SMB550/4-1AC1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic2 x TG-K Duct temperature sensor1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent control board4 x Elta 6 Amp Electronic single phase speed controller with TK3 x Systemair Save Connect 2.0 Internet Module1 x ACO 149-ACO1/EDV2 x TG-K3/NTC10-01 - Duct temperature sensor2 x MWS 1.5 – Transformer Controller With Motor Protection1 x Elta ACO Panel 149-ACO18B1 x Helios HQW-200/2 - IP551 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Transformer 5 Speed Controller - ATC1-12TK2 x BEAS-control module1 x EC-Vent Room Unit3 x Helios HQW-200/4 - IP551 x Single phase speed controller by auto-transformer - RMB 10.0 Amp4 x WS - Reversing Switch from Helios Fans1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x EC6H - Reversible Group Fan Electronic Controller2 x Envirovent G4 Filter - SL-G4/F71 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x TG-R room temperature sensor2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS3 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR3 x Transformer (silent) speed controller - RE 3.0 Amp1 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x Transformer Speed Control - RTRE- 7.0Amp2 x Speed Controller - REB101 x Electronic extractor fan speed controller - FSC 1.52 x Silent 100 Window Kit - windowS1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios HQW-630/4 - IP551 x Easy-fix termination kit - High Rise Ventilator - EFT2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Speed Controller - REB51 x Vent Axia T-Series Controller2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x UB47- Universal Insulated Terminal1 x REE-1 Electronic Speed Controller1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Vent Axia ACM 100 inline mixed flow duct fan
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29

Unbelievable! With TDmixvent500: noise reduction minimum 50%...