ABB S804PV-SP5, S804U-PVS5 and S804U-PVSP5 provide ground fault protection. S800PV is used for GFDI application (Ground-Fault Detector Interrupter) in photovoltaic systems. The S804PV-SP5, S804U-PVS5 and S804U-PVSP5 provide ground fault protection according to IEC60947-2 for 1500 VDC, UL489B for 1000 VDC and UL489B (recognized) for 1500 VDC. In case of a ground fault, the breaker will trip, so that the PV generator will not be damaged. Main benefits include Interruption of the leakage current prevents damage to the system & Tested as per IEC60947-2 for 1500 VDC, UL 489B for 1000 VDC, UL489B (recognised) for 1500 VDC. Main features include Minimum dimensions with maximum efficiency; Safe disconnection of all poles; Polarity independent & Fast remote controlled operation with S800-RSU remote switching unit.