Primus AIR 40

$1,205.55

Primus 1-AR40-10, AIR 40 wind turbine, 250 Watt, internal regulator

The Primus AIR-series of small wind turbines has been around since 1995, with over 150,000 installed since! Theirs is a proven product, for a reasonable price.

The AIR 40 produces best at low to moderate wind speeds. For a high-wind environment the AIR 30 could be a better choice. The AIR 40 is not intended for a marine environment, if salt-spray resistance is needed check out the AIR Breeze, AIR X Marine, or AIR Silent-X. Peak-power output is 250 Watt, and there are versions for 12/24/48 Volt battery-charging applications in desert or Arctic environments. It delivers the energy you need for communications, or remote monitoring, to name a few. A small wind turbine can also be a great addition to an off-grid system, to provide energy during those dark (but windy) winter days. With a build-in charge controller, the AIR 40 provides energy quietly and efficiently. These are the official type codes:

Primus 1-AR40-10-12: 12 Volt AIR 40
Primus 1-AR40-10-24: 24 Volt AIR 40
Primus 1-AR40-10-48: 48 Volt AIR 40

Be sure to check out the Primus Webinars to learn more about installation, wind resources, turbine placement etc.

Please note that the Primus turbines start to protect themselves from overheating above wind speeds of around 35 mph (16 m/s). This means it shuts down for 2-1/2 minutes, then runs again for a some of time, and shuts down again, this repeats. The effect is much lower energy production for these very high (and unusual) wind speeds. This is normal, and necessary for the turbine’s survival.

Features

  • 1.17 meter (46″) rotor diameter
  • 3.1 m/s (7 mph) startup wind speed
  • Can produce 40 kWh/month at 5.8 m/s
  • Can withstand winds up to 49.2 m/s (110 mph)
  • Mounts on 1.5″ schedule 40 pipe, 48 mm (1.9″) outer diameter
  • Advanced microprocessor technology for superior performance
  • High wind protection without mechanical braking
  • Lightweight design is simple and easy-to-install
  • Permanent mold cast aluminum body
  • High-quality, field tested components
  • Warranty 5 years

 

Turbine Selection Matrix

Low to Moderate Wind Speeds High Wind Speeds Very High Wind Speeds
under 5.5 m/s (12 mph) average December wind speeds 5.5 – 7 m/s (12 – 15 mph) average December wind speeds Over 7 m/s (15 mph) average December wind speeds
Coastal Use AIR Breeze AIR X Marine, AIR Silent X AIR X Marine, AIR Silent X, with TriStar 45 and TL-100 diversion load
Inland Use AIR 40 AIR 30 AIR 30 with TriStar 45 and TL-100 diversion load

The marine-type turbines (AIR Breeze, AIR X Marine, and AIR Silent X) can of course also be used at inland sites. They are just a more corrosion-resistant version of the inland wind turbines.

AIR Turbine Power Curves

AIR Turbines Energy Curve

Specifications

Brand

Mnfr. model

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Battery Voltage

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Rated output power

250 Watt @ 11.6 m/s (26 mph)

Startup wind speed

3.1 m/s (6.9 mph)

Rotor diameter

1.17 m (46")

Rotor swept area

1.07 m^2 (11.5 ft^2 )

Temperature range

Weight

Warranty

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