The Osculati Selecta New MKIII Battery Switch (code 14.921.02) is a premium, flush-mount rotary switch designed for modern marine dual-battery setups. Offering OFF–Battery 1(service)–PARALLEL positions, it provides automatic alternator isolation during OFF mode to protect engine circuits.
Built with flame-resistant PC/PTB/fibreglass casing, copper contacts, and stainless steel springs, it's ideal for demanding marine environments. Certified to ISO 8846 Marine EN 28846 and carrying type approval DIP006907SP, it delivers 300 A continuous current with 450 A intermittent capacity ℉.
Installation is straightforward thanks to a 95 mm flush mounting hole, included cable base, and large ring nut. The switch body measures 104 × 104 mm with 80 mm height and 10 mm terminals.
Perfect for sailboats, yachts, and commercial vessels seeking a compact, safe, and automatic battery management solution in emergency or high-load situations.