Rutland FM910-4 Windcharger

Wherever there is a site that is unattended, remote and exposed the FM910-4 can be relied on. Professional applications such as monitoring, telemetry, communications, isolated agricultural uses, navigation aids, military field applications, rural street lighting, remote homes and many more. 

Item Number:
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159 Worth £7.95
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Item Options

Voltage Selection*
12V Model
24V Model

Often Purchased Together

Rutland HRSi 12V/24V Wind & Solar Regulator
Rutland HRSi 12V/24V Wind & Solar Regulator
£89.95 | 44 Points
HRDi 12V/24V Solar & Wind Controller
HRDi 12V/24V Solar & Wind Controller
£211.95 | 52 Points
HRDi Remote Display
HRDi Remote Display
£122.95 | 44 Points
Rigging for Rutland FM910-4 Land Tower Kit
Rigging for Rutland FM910-4 Land Tower Kit
£212.95 | 55 Points
Land Tower Kit for Rutland FM910-4
Land Tower Kit for Rutland FM910-4
£203.25 | 48 Points

Highly successful land based windcharger

  • Low Energy at Isolated Sites
  • Off-Grid Street Lighting
  • Static Caravans and Remote Homes

The FM910-4 incorporates the latest 3-phase alternator, taken from the Rutland 913 design which delivers a further 25% more power than the original model. It retains its basic design which has been proven time and again in the harshest of environments under critical power supply requirements, e.g. seismic monitoring In Antarctica, communications for Himalayan expeditions 

The Furlmatic model has a "furling" device that tilts the turbine horizontally at right angles to the prevailing wind at windspeeds above 35mph. This protects the turbine from the forces of excessive winds and reduces stresses on the turbine and tower.


  • Three phase Rutland "unique" design generator
  • Fine profile maximum efficiency aerofoil blades
  • Automatic thermostat protection in prolonged gales
  • Turbine diameter of 910mm
  • Steel components are galvanised and epoxy coated for longevity
  • Simple to install and maintain
  • Designed to mount on standard size tube 61mm outside diameter

Output Voltages Available (Nominal) 12V 24V 

Power / Current Ratings:

  • 5m/s 10knots     - 12V/19W (1.4A)       - 24V/19W (0.7A) 
  • 11m/s 21knots   - 12V/92W (6.6)         - 24V/92W (3.3A) 
  • 15m/s 29knots   - 12V/155W (11.2A)  - 24V/155W (5.6A)

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