| Whisper Wind 500 (formerly 175) |

| Great for lots of electricity in a cost-effective 2 blade design. The Whisper Wind 500 can power energy efficient homes, farms, telecommunications, and street and sign lighting. Also ideal for remote systems and grid intertie. Ideal for low to high windspeeds (7-18 mph). |
| Specifications Rotor diameter: 15 feet Weight: 155 lbs Start-up wind speed: 7 mph Peak power: 3200 watts @ 27 mph Output voltage: 24, 32, and 48 volts DC |




| Switchback Energy Systems, Inc. P.O. Box 636 Iona, ID 83427 (208)520-0614 Fax: (208)528-2852 info@switchbackenergy.com |