The Sunny Central 500U has integrated isolation transformers and deliver excellent efficiency for large PV power plant inverters.
The user interface now features a large LCD screen that provides a graphical view of daily plant production and the status of the PV array, inverter, and utility grid.
The new 250U and 500U now offer optional PV string monitoring that makes troubleshooting the PV array more efficient.
The Sunny Centrals offer a variety of remote monitoring options. Users can choose from RS-485, Ethernet, or wireless communications via Bluetooth or GSM with the optional WebBox. Daily performance data can be automatically uploaded to the free Sunny Portal website. The accuracy of performance data can be increased by using the optional Sunny SensorBox which provides monitoring of local irradiance, temperatures, and wind speed. UL Listed to 1741 for the U.S. and Canada. NEMA 3R enclosure.
Efficiency
97.5 % leading edge efficiency
Direct connection to the 480 V grid
Suitable for ambient temperatures of up to 140 °F / 60 °C
Reliable
Galvanic isolation
Weatherproof enclosure
Integrated data logger
Simple remote query and maintenance per remote access
Strong peripherals
AC/DC disconnect unit
Circuit combiner boxes for sting collection
Sunny Central String-Monitor US