With an output of up to 2750 kVA and system voltage of 1000VDC or 1500 VDC, SMA's central inverters allow for more efficient system design. An integrated transformer and additional space is available for the installation of customer equipment. The Sunny Central has been optimized for outdoor installation. The air cooling system OptiCool(tm) ensures smooth operation, even in extreme ambient temperatures. Sand and dust particles are effectively kept away. The Sunny Central is the central component of SMA Utility Power Systems. In combination with the medium-voltage block, DC technology, power plant controlling system and SMA Service, it is also available as compact platform solution.