Rutland - 504 Wind Generator

Rutland - 504 Wind Generator

  (4 Reviews)

Manufacturer #:  CA-05/04

£379.99    (Inc. UK VAT @ 20%)RRP:  £468.55Save:  £88.56 (19%)(£316.66 Exc. VAT)

The Rutland 504 is a super compact turbine that is great for using wind power for trickle charging. You can be sure that when you arrive on board your batteries will be well charged up and ready for your appliances.

We're currently unable to show live stock information on our website, so if you need delivery fast we strongly recommend checking availability first. Simply fill out the form below and we'll get back to you, or call us on +44 (0)1243 375774 for an immediate answer.

Please add the two numbers

Average Rating (4 Reviews):  
Write a Review and share your opinions!

for 2 rutland 504 generators
23 July 2019  | 

I was very pleased how quickly the order came how the shipping co was very prompt and handled the process with me

Was this helpful to you?  Yes  /  No

This review has not been appraised.

wind charger rutland
07 March 2017  | 

so far i have been satisfyd with seateach as i am waiting for mounting kit

Was this helpful to you?  Yes  /  No

This review has not been appraised.

Price/Quality OK!
10 September 2016  | 

The best price on web, delivery on time. Prefect!

Was this helpful to you?  Yes  /  No

This review has not been appraised.

rutland 504
22 May 2016  | 

Product as expected.
DElivery very quick,over a weekend also.

Was this helpful to you?  Yes  /  No

0 of 1 people found this review helpful.

Product Information

Rutland Windchargers simply convert the free and abundant power in the wind to power stored in your batteries. The 12V power is ready to use for engine starting, lights, coolers, essential navigation equipment and other low energy appliances. With a Rutland 504 installed on board, weekend sailors will experience the convenience of fully charged batteries for engine starting.

Rutland Windchargers are a popular sight in marinas, thousands are in use worldwide and boat owners like their particularly quiet operation coupled with clean, aerodynamic lines. Without a doubt, the unique Rutland alternator design accumulates more energy than any other comparable wind generators available and you'll always see a Rutland spinning in the lightest of breezes!

The Rutland 504 model continues to incorporate the “safety turbine” found on its highly successful predecessor the Rutland 503. The blade tips are protected by the outer ring making this windcharger ideal for trickle charging on board where space is at a premium. Weekend yachts and sailboats up to 10m benefit from its compact size and charging capacity and in particular where batteries up to 100Ah are in regular use. Motor home and touring caravan owners will find the Rutland 504 conveniently portable and ideal for topping up the battery when parked.

When you fit a Rutland wind generator on board you will experience: 

  • Direct savings on fuel costs and engine maintenance owing to reduced engine running time 
  • Security of power for essential appliances on-board, eg. navigation equipment 
  • Fully charged batteries for engine starting on returning to your boat.
    ……and don’t forget that by keeping your battery trickle charged its life will be extended too!

Rutland 504 Wind Generator Features

  • Efficient power conversion – Rutland Windchargers generate greater ampere-hours in real wind conditions than turbines of equal and often larger diameter! That’s because, between gusts, the unique high inertia alternator designs maintain momentum with a flywheel effect where other units stall. This adds up to more free power generated and stored for you. 
  • Rutland Windchargers are the lowest cost per watt of power generated. Not only is the generator efficient but volume production for worldwide customers and in-house manufacturing at Marlec ensures that they deliver consistently high quality at an affordable cost. 
  • The low friction 3-phase alternator gives a smooth and silent output. The low wind speed startup means power is almost continuously produced and certainly in the most typical conditions as well as being powerful in higher winds. 
  • Rutland 504 turbines are made from computer-designed efficient aerofoil blades whose tips are joined by an outer protective ring. 
  • No radiated interference. Complies with EEC Directive 89/336/EEC

Rutland 504 Wind Generator Specifications

Cut in windspeed 3 m/s
Output voltages available (nominal) 12V
Power/Current ratings:
5 m/s (10 knots) 3W (0.2A)
11 m/s (21 knots) 29W (2.1A)
15 m/s (29 knots) 48W (3.4A)
Packed weight & dimensions 6kg - 550 x 550 x 260mm
Generator type Low friction 3 phase, brushless
Yaw rotation Slipring for 360° free rotation. Low brush wear.
Governing devices None
Turbine diameter 510mm
Turning radius 304mm
Net weight 3.5kg


Rutland 504 Actual Performance Data

Marlec publish their curves based on measured data and use ongoing actual performance data collected and monitored over long periods of time of the turbines running in real wind conditions. This means the turbines are also subject to side winds, upwinds and sudden changes of wind direction (these are the causes of turbulence) experienced at a user’s typical installation. Their curves represent a truer reflection of the power output you can expect from your Rutland Windcharger compared with many other turbines.

A power curve is usually given by manufacturers to represent the performance of a wind turbine. Some may be based on theoretical or predicted output and others plot the power achieved under steady state conditions. Wind tunnel testing and turbines run on vehicle rooftops can provide useful information for a manufacturer but power curves derived in this way need to be understood as running in a clear and unobstructed wind flow so they do not represent what is actually achieved in real wind conditions. Power curves from theoretical analysis cannot be regarded as representing what is actually achieved at all.

A more useful guide of how much power you can expect from your turbine is the Annual Energy Yield. That’s because wind energy is a “cube law,” which means that when the wind speed doubles the power potential is 8 times! Check the Annual Energy Yield bar chart which uses the Rayleigh distribution to calculate the Ampere hours of battery charging you can expect at given average wind speeds per annum. As these are averaged across the year you should consider how these figures will ebb and flow across the seasons when you might expect a higher average during the windier seasons. Marlec often recommend the combination of wind and solar charging to smooth out the daily energy yield.

Rutland 504 Interactive 3D Model

       +44 1243 375774

  My Account        Total: £0.00