• 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
3 x COM-35 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x CS2 Current Switch3 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x MWS 3 – Transformer Controller With Motor Protection1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven3 x Isolator Switch - ISOSW3 x Systemair Save Connect 2.0 Internet Module2 x TG-K3/NTC10-01 - Duct temperature sensor1 x Helios TSW 7.5 Amp Transformer speed controller2 x Elta 6 Amp Electronic single phase speed controller with TK2 x TG-K Duct temperature sensor4 x MWS 1.5 – Transformer Controller With Motor Protection3 x WS - Reversing Switch from Helios Fans3 x Elta Variable Speed Drive IP66 - 0.75KW1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x Isolator Switch - EFF-ISO1 x Helios HQW-200/2 - IP552 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x MTP 10, 10K, Speed control2 x TG-R room temperature sensor3 x Transformer Speed Control - RTRE- 7.0Amp2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x PIR Sensor - PIR22 x Envirovent G4 Filter - SL-G4/F72 x EC6H - Reversible Group Fan Electronic Controller1 x Helios HQW-315/4 - IP551 x BEAS-control module1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Elta 6 Amp Electronic single phase speed controller.1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x PIR Sensor - PIR41 x Helios HQW-630/4 - IP551 x Silent 100 Window Kit - windowS2 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x TG-K Duct temperature sensor2 x Helios HQW-200/4 - IP551 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Speed Controller - REB11 x Elta Variable Speed Drive IP66 - 2.2KW1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x RDH FLEX-SQUARE - ADH/RDH 04501 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Speed Controller - REB101 x Speed Controller - REB1-N1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x UB47- Universal Insulated Terminal
BD9/9 centrifugal M4 0.35Kw
BD9/9 centrifugal M4 0.35Kw
£ 399.00 now £ 350.00
Reviews
TD-SILENT 350/125
TD-SILENT 350/125
£ 178.68

Excellent low noise fan, I've got one unit running years and...