This document provides information on DC switch-disconnectors for photovoltaic installations, including their main features, ratings, and applications. The switches are designed according to UL98B, UL508i, and IEC/EN 60947 standards and are available in ratings from 16 to 630 amps and 1000-1500 volts. They provide load break switching capability and various mounting and interlocking options for use in solar inverters, combiner boxes, and battery chargers to safely isolate circuits during maintenance.