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Small wind turbine · 300 W class
Our smallest machine, and the one that ends up in the most remote places: a monitoring cabinet on a ridge, a fishing boat at anchor, a cabin four kilometres past the last transformer. A 1.2 m rotor and a 2.5 m/s cut-in mean it charges a battery in wind that a solar panel would call a bad day.
The WT-300H uses the same direct-drive permanent-magnet generator and the same furling logic as our 10 kW machine, scaled down to an 18 kg nacelle that two people can raise on a tilt-up tower without a crane. There is no gearbox, no oil and no slip ring, so a service visit means checking three blade bolts and the tower guys.
It is a battery machine rather than a grid machine: the MPPT controller charges lead-acid, gel or LiFePO4 banks at 12 or 24 V, and optionally logs daily kWh so you can see what the site actually delivers.
| Parameter | Value |
|---|---|
| Peak power | 350 W |
| Rated wind speed | 11 m/s |
| Cut-in wind speed | 2.5 m/s |
| Survival wind speed | 50 m/s |
| Rotor diameter | 1.2 m |
| Swept area | 1.13 m² |
| Blades | 3 × GFRP |
| Generator | Direct-drive PMG, 3-phase |
| Controller | MPPT 12/24 V, 20 A |
| Output | DC 12/24 V |
| Tower | 6 m / 9 m guyed |
| Nacelle protection | IP54 |
| Noise | ≤ 48 dB(A) @ 10 m |
| Design life | 20 years |
| Annual output (5 m/s mean) | ≈ 600 kWh |
| Warranty | 3 years (5 structural) |
Price depends on tower height, controller and battery bank — ask for a quote with your site details.
Fewer than 40 moving parts. Nothing to lubricate between annual inspections.
Field-selectable battery chemistry, low-voltage disconnect and a 20 A dump load for gust protection.
Blades furl out of the wind above 14 m/s; the controller shorts the alternator as a second, independent layer.
6 m or 9 m hot-dip galvanised tower, assembled on the ground and raised with a hand winch.
Keeps cameras, a 4G router and a sensor package alive through five cloudy days on a 100 Ah battery.
Pairs with 400–600 W of PV so winter wind covers the weeks when solar output collapses.
The 12 V version charges a house bank at anchor without running the engine.
Send the site location and the load you need to power. You get a sized model, a price and a lead time — usually within one working day.
