SMA Windy Boy Inverters
The grid-coupling of small wind energy plants is simpler than ever with the Windy Boy from SMA. It converts the variable frequency voltage from wind generators into grid conforming AC voltage. Thus the energy can be used privately, excess energy fed into the mains grid and respectively remunerated. The Windy Boy works perfectly together with the Sunny Island in stand-alone grids for the electrification of remote areas.
The Windy Boys are suitable for wind generators from a wide variety of manufacturers and power classes. They guarantee an optimal power adjustment and very high energy yields.
They are also best suited for flexible and worldwide use - ensured by the robust housing, the SMA Grid Guard disconnection device, the electric separation to the grid along with an automatic 50 or 60 Hz recognition.
Windy Boy 1100LV The Windy Boy 1100LV is the perfect solution for small wind power plants with low generator voltage: Turbines with 24 or 48 V nominal voltage can be connected without an additional voltage transformer. The programmable MPP characteristic curve offers the greatest possible freedom for choosing the turbine, while the weather-proof casing and the wide temperature range allow for installation at almost any location. As an inverter for wind power plants, the Windy Boy is optimally adjusted to the frequent load changes. Its minimal internal consumption during still air increases yield even more, which can be monitored at any time on the display or any of several communication interfaces Specially designed for small wind energy plants - Excellent performance with weak wind
Free choice of turbines thanks to programmable characteristic curve - Free choice of installation site
Galvanic isolation - In accordance with almost all European grid connection guidelines
Worldwide SMA Service including Serviceline - Comprehensive SMA warranty program

| Input (DC) | WB1100LV | | Max. DC power | 1210 W | | Recommended generator power at 2500 full-load hours per year | 1000 W | | Recommended generator power at 5000 full-load hours per year | 900 W | | Max. DC voltage | 60 V | | Min. open circuit voltage for activating "turbine mode" | 25 V | | Operating range "turbine mode" | 21 V – 60 V | | Max. input current | 62 A |
| Output (AC) | | | Nominal AC power | 1000 W | | Max. AC power | 1100 W | | Max. output current | 5 A | | Nominal AC voltage / AC operating range | 220 V – 240 V / 180 V – 260 V | | AC grid frequency (self-adjusting) / range | 50 Hz / 60 Hz / ± 4.5 Hz | | Phase shift (cos φ) | 1 | | AC connection | single-phase |
Data Sheet |
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Windy Boy 1100 / 1200 / 1700 The Windy Boys 1100, 1200 and 1700 are perfectly suitable for small wind energy plants. The programmable power curve enables optimal adaptation to the characteristics of the wind turbine and therefore increases the yield. Its weatherproof housing and the wide temperature range allow the installation in almost every location. The devices are optimally adjusted to fast and frequent load changes and, with the optimal Windy Boy Protection Box, provide the perfect interface for any turbine. Using the integrated display and different communication interfaces you can monitor all plant values at any time. And should there still be any problems: The worldwide SMA service and the comprehensive warranty program ensure maximum security. - Specially designed for small wind energy plants
- Freely configurable power curve
- Free choice of mounting location
- Certified for the most important countries of installation (SMA grid guard)
- Electric separation
- Compatible with Windy Boy Protection Box 400
- Worldwide SMA service and SMA Service Line
- Comprehensive SMA warranty program

| Input (DC) | WB1100 | WB1200 | WB1700 | | Max. DC power | 1210 W | 1320 W | 1850 W | | Recommended generator power at 2500 full-load hours per year | 1000 W | 1050 W | | | Recommended generator power at 5000 full-load hours per year | 900 W | 1000 W | 1300 W | | Max. DC voltage | 400 V | 400 V | 400 V | | Min. open circuit voltage for activating "turbine mode" | 150 V | 120 V | 150 V | | Operating range "turbine mode" | 139 V – 400 V | 100 V - 400 V | 139 V – 400 V | | Max. input current | 10 A | 12,6 A | 12.6 A |
| Output (AC) | | | | | Nominal AC power | 1000 W | 1200 W | 1550 W | | Max. AC power | 1100 W | 1200 W | 1700 W | | Max. output current | 5.6 A | 6,1 A | 8.6 A | | Nominal AC voltage / AC operating range | 220 V – 240 V / 180 V – 260 V | 220 V – 240 V / 180 V – 260 V | 220 V – 240 V / 180 V – 260 V | | AC grid frequency (self-adjusting) / range | 50 Hz / 60 Hz / ± 4.5 Hz | 50 Hz / 60 Hz / ± 4.5 Hz | 50 Hz / 60 Hz / ± 4.5 Hz | | Phase shift (cos φ) | 1 | 1 | 1 | | AC connection | single-phase | single-phase | single-phase |
Data Sheet |
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Wind Boy 2500 / 3000 The Windy Boy 2500 and 3000 are ideal for small wind energy plants: with more than 10,000 units, they are successfully in use worldwide. They feature a maximum efficiency of 95 %. The programmable MPP characteristic curve enables an optimal adjustment to the characteristic curve of the turbine, which is also protected by a special smooth start device. The worldwide serviceable SMA Grid Guard interface is also used with this Windy Boy. It ensures maximum reliability for the operation of the wind energy plant and allows for the feeding-in to almost any public grid. - Control optimized for wind energy plants
- Up to 95 % efficiency
- Protection of the turbine through smooth start
- Freely configurable MPP characteristic curve
- Free choice of installation site
- Certified for the most important countries of Installation (SMA Grid Guard)
- Galvanic isolation
- Compatible with the Windy Boy Protection Box 600
- Proven technology, 10,000 times tried and tested
- Worldwide SMA Service including Serviceline
- Comprehensive SMA warranty program

| Input (DC) | WB2500 | WB3000 | | Max. DC power | 2700 W | 3200 W | | Recommended generator power at 2500 full hours per year | 2100 W | 2500 W | | Recommended generator power at 5000 full hours per year | 1900 W | 2200 W | | Max. DC voltage | 600 V | 600 V | | Min. open circuit voltage for activating "turbine mode" | 250 V | 290 V | | Operating range "turbine mode" | 224 V – 600 V | 268 V – 600 V | | Max. input current | 12 A | 12 A |
| Output (AC) | | | | Nominal AC power | 2300 W | 2750 W | | Max. AC power | 2500 W | 3000 W | | Max. output current | 12.5 A | 15 A | | Nominal AC voltage / AC operating range | 220 V – 240 V / 180 V – 260 V | 220 V – 240 V / 180 V – 260 V | | AC grid frequency (self-adjusting) / range | 50 Hz / 60 Hz / ±4.5 Hz | 50 Hz / 60 Hz / ±4.5 Hz | | Phase shift (cos φ) | 1 | 1 | | AC connection | single-phase | single-phase |
Data Sheet |
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WINDY BOY 3300 / 3800 With a maximum efficiency of 95.6 %, the Windy Boy 3300 and 3800 rank among the most profitable inverters for small wind energy plants. The weather-proof casing and the wide temperature range enable installation at almost any location, and thanks to the OptiCool cooling system, the equipment works at outdoor temperatures of up to 45 °C with maximum output. The programmable MPP characteristic curve enables an optimal adjustment to the characteristic curve of the turbine and thus increases the yield. And should a problem arise: the worldwide SMA Service and comprehensive warranty program provide maximum security. 
| Input (DC) | WB3300 | WB3800 | | Max. DC power | 3820 W | 4040 W | | Recommended generator power at 2500 full-load hours per year | 3100 W | 3600 W | | Recommended generator power at 5000 full-load hours per year | 2800 W | 3300 W | | Max. DC voltage | 500 V | 500 V | | Min. open circuit voltage for activating "turbine mode" | 200 V | 200 V | | Operating range "turbine mode" | 200 V – 500 V | 200 V – 500 V | | Max. input current | 20 A | 20 A |
| Output (AC) | | | | Nominal AC power | 3300 W | 3800 W | | Max. AC power | 3600 W | 3800 W | | Max. output current | 18 A | 18 A | | Nominal AC voltage / AC operating range | 220 V – 240 V / 180 V – 260 V | 220 V – 240 V / 180 V – 260 V | | AC grid frequency (self-adjusting) / range | 50 Hz / 60 Hz / ± 4.5 Hz | 50 Hz / 60 Hz / ± 4.5 Hz | | Phase shift (cos φ) | 1 | 1 | | AC connection | single-phase | single-phase |
Data Sheet |
WINDY BOY 5000A / 6000AThe Windy Boy 5000A and 6000A not only feature a maximum efficiency of 96.1% but are also suited for the development of three-phase grid-feeding wind energy plants. The integrated SMA Power Balancer prevents undue load unbalance, and, in addition, the plant is able to feed-in even if individual phases fail. The weather-proof casing and the wide temperature range allow for installation at almost any location, and thanks to the OptiCool cooling system, the equipment works at outdoor temperatures of up to 45°C with maximum output. And in case of a problem: The worldwide SMA Service and the comprehensive warranty program provide maximum security. 
| Input (DC) | WB5000A | WB6000A | | Max. DC power | 5750 W | 6300 W | | Recommended generator power at 2500 full-load hours per year | 4600 W | 5500 W | | Recommended generator power at 5000 full-load hours per year | 4200 W | 5100 W | | Max. DC voltage | 600 V | 600 V | | Operating range "turbine mode" | 246 V – 600 V | 246 V – 600 V | | Min. open circuit voltage for activating "turbine mode" | 250 V | 250 V | | Max. input current | 26 A | 26 A |
| Output (AC) | | | | Nominal AC power | 5000 W | 6000 W | | Max. AC power | 5500 W | 6000 W | | Max. output current | 26 A | 26 A | | Nominal AC voltage / AC operating range | 220 V – 240 V / 180 V – 260 V | 220 V – 240 V / 180 V – 260 V | | AC grid frequency (self-adjusting) / range | 50 Hz / 60 Hz / ± 4.5 Hz | 50 Hz / 60 Hz / ± 4.5 Hz | | Phase shift (cos φ) | 1 | 1 | | AC connection | single-phase | single-phase |
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Back to topWindy Boy Protection BoxRectifier and overvoltage protection – the Windy Boy Protection Box from SMA is multitalented: it protects the inverter from excessive generator voltage, while at the same time, it diverts excess power into a load resistor. In addition, the Windy Boy Protection Box features a 3-phase rectifier. It is delivered as a turnkey unit and can be used with nearly all types of generators from various manufacturers and with different power classes. This makes the Windy Boy Protection Box the optimal solution for wind power plants, but it also provides the perfect link between permanent magnet generators and the inverter. 
| General | Windy Boy Protection Box 400 | Windy Boy Protection Box 500 | Windy Boy Protection Box 600 | | Suitable for | WB 1100, WB 1700 | WB 3300, WB 3800 | WB 2500, WB 2800i, WB 3000, WB 5000A, WB 6000A | | Rectifier | integrated | integrated | integrated | | Size (W x H x D) in mm | 280 x 220 x 130 | 280 x 220 x 130 | 280 x 220 x 130 | | Weight | 5 kg | 5 kg | 5 kg |
| Generator connection | | | | | Quantity | 1 x 3-phase | 1 x 3-phase | 1 x 3-phase | | AC voltage | 3 x 0 to 500 V | 3 x 0 to 500 V | 3 x 0 to 500 V | | AC current | 3 x 0 to 11.5 A | 3 x 0 to 11.5 A | 3 x 0 to 11.5 A | | Generator frequency | 0 to 400 Hz | 0 to 400 Hz | 0 to 400 Hz | | Nominal power | 1 to 2 kW | 3 to 4 kW | 2 to 6 kW |
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Back to topComplete Windy Boy Data Sheet
If you cannot find the product you are looking for please contact us on 0845 3022 873 to discuss your specific requirements. Alternatively you can email your request for product information and prices to info@solenttech.co.uk
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