This document provides information on Marechal brand industrial plugs and sockets, including their DN series decontactors. Key details include: - Marechal products are manufactured with high-quality, corrosion-resistant materials and feature spring-loaded butt contacts for a permanent electrical connection. - The DN series covers ratings from 30 to 150 amps and offers safety, reliability, and corrosion resistance for heavy-duty environments. - DN decontactors have silver-nickel butt contacts that ensure high electrical performance and resistance to humid and corrosive environments over years of use.