• 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 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-22 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 Controller2 x MTP 10, 10K, Speed control1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Electronic extractor fan speed controller - FSC 1.5
BD9/9 centrifugal M4 0.35Kw
BD9/9 centrifugal M4 0.35Kw
£ 399.00 now £ 350.00
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%...