• 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
2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Elta 6 Amp Electronic single phase speed controller with TK3 x MWS 1.5 – Transformer Controller With Motor Protection2 x WS - Reversing Switch from Helios Fans1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT4 x Helios HQW-630/4 - IP556 x Transformer (silent) speed controller - RE 3.0 Amp1 x Helios HQW-200/2 - IP553 x Electronic extractor fan speed controller - FSC 1.51 x BEAS-control module3 x Helios HQW-200/4 - IP551 x Systemair Save Connect 2.0 Internet Module1 x Speed Controller - REB1-N3 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Remote Timer Control - 13511 x Envirovent G4 Filter - SL-G4/F72 x Vent Axia Silent 100T (TIMER)2 x PIR Sensor - PIR22 x EC6H - Reversible Group Fan Electronic Controller1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B2 x TG-K3/NTC10-01 - Duct temperature sensor1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Speed Controller - REB51 x MTP 10, 10K, Speed control2 x TUNE-R-200-3-M1 - Control Damper1 x REE-1 Electronic Speed Controller1 x EBM-Papst D4E225-BC01-17 Double inlet1 x RDH FLEX-SQUARE - ADH/RDH 04501 x Multiflow SMB550/4-1AC2 x Transformer Speed Control - RTRE- 12.0Amp1 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Elta Variable Speed Drive IP66 - 0.75KW1 x DEF-140T Inlet Guard for the CBT-100N1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x PIR Sensor - PIR41 x Speed Controller - REB102 x Vent Axia T-Series Controller1 x Transformer Speed Control - RTRE- 7.0Amp1 x Helios TSW 1.5 Amp Transformer speed controller1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x CBS-60 Outlet Flange for CSB/CBT-601 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Two Speed Switch - REGUL-21 x MTS10- extractor fan 3 step switch1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Transformer (silent) speed controller - RE 1.5 Amp1 x UB47- Universal Insulated Terminal1 x Isolator Switch - EFF-ISO2 x Airvent ceiling fan controller
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

I have a loft mount extractor fan which was very noisy. I ...