The Osculati Selecta New MKII Battery Switch (14.921.00) is a premium flush‑mount switch for marine dual battery systems. It offers OFF‑Battery 1‑Battery 2‑PARALLEL positions with a patented design that automatically disconnects the alternator in OFF mode—without shutting down the engine.
Constructed of flame-retardant PC/PTB/fiberglass, with copper contacts and stainless steel springs, this switch withstands harsh marine conditions. Certified under ISO 8846 marine fire safety standards, it also includes protective cable base and oversized ring nut for clean mounting in a 95 mm panel cutout.
Rated at 300 A continuous (DC) and 450 A intermittent, it supports high-demand operations like engine cranking and inverter use. Its premium build ensures reliability, ideal for sailboats, yachts, and commercial vessels.