Sunny Tower 36kW and 42kW Systems Sunny Tower The Sunny Tower combines the advantages of central inverters with the performance and installation advantages of string inverters by offering assembled 36-kW or 42-kW systems. Each Sunny Tower consists of six 7-kW or 6-kW inverters mounted on a stainless steel structure. Two Sunny Towers can be combined as an 84 kW system. The Sunny WebBox comes standard making the Sunny Tower Internet-ready. This type of system offers the advantage of multiple array MPP tracking, optimum operation under partial load, 96% CEC efficiency and quick delivery. Sunny Towers can be assembled on-site, eliminating the need for specialized heavy equipment. The system is NEMA 3R outdoor rated and is designed for use only in three-phase systems at 208 VAC, 240 VAC or 277 VAC. Total weight is 1,115 lbs. (Tower is 330 lbs, plus six inverters.) NOTE: A Sunny Tower can NOT be used with less than six inverters. | Model | Max AC power
| Max AC output | DC Array voltage
| Peak power tracking | Max DC current
| Item code
| ST6000U
| 36 kW
| 3 x 58A
| 250-600
| 250-480
| 6 x 25A
| 030-03060
| ST6000U+WebBox
| 36 kW
| 3 x 58A
| 250-600 | 250-480 | 6 x 25A
| 030-03061
| ST7000U
| 42 kW
| 3 x 68A
| 250-600 | 250-480 | 6 x 30A
| 030-03070
| ST7000+WebBox
| 42 kW
| 3 x 68A
| 250-600 | 250-480 | 6 x 30A
| 030-03071
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