Suitable for use in small and mid-range systems, the compact Sunny Boy 3000US and 4000US power inverters are efficient, easy to operate and reliable. An integrated DC disconnect makes installation more cost-effective. System status, solar production data and other key information are displayed on the built in meter LCD screen. The power electronics compartment integrates SMA’s Opticool airflow, which is assisted by a temperature controlled fan when required. Sunny Boy inverters can be “stacked” in multiples for system expansion. Several monitoring and software options are available.
- CEC efficiency of up to 96 %
- 10 Year warranty standard, up to 20 years optional
- Certified to the new UL 1741/ IEEE 1547
- Integrated load-break rated DC disconnect switch
- Integrated fused series string combiner
- Sealed electronics enclosure and OptiCool
- Comprehensive SMA communications and data collection options
- Ideal for residential or light commercial applications
- Rugged cast aluminum outdoor rated enclosure
Click this link to use SMA America’s String Sizing Program to help determine the size and configuration of your system. (Please read the disclaimer before using the sizing tool.) If you have any questions, or need help sizing your solar electric system, please give us a call.
| SMA Inverters | ||
|---|---|---|
| Model | Description | Price |
| Sunny Boy 3000US | 3000 watt Inverter (3 kW) | $1,640.00 |
| Sunny Boy 4000US | 4000 watt Inverter (4 kW) | $2,025.00 |
















