ABB S800PV-SD provides isolation protection up to 125A and 1500VDC with Icw=1.5kA in accordance with IEC 60947-3 and Annex D. With highly compact design for installation on the DIN rail, the S800PV-SD switch disconnector offers safety relevant isolation properties. As master switch for PV systems, the whole DC side can thus be safely isolated - locally or remote. Main benefits include Reliable isolation of up to 125 A rated current at ambient temperatures of up to 60 °C without any losses; Safe switching of ohmic and inductive loads (inductive loads can occur with long line lengths) & Extensive range of accessories. 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.