Blue Sea 7939 Contura II Switch DPDT Black - ON-ON

The Blue Sea 7939 Contura II Switch DPDT Black - ON-ON is a marine-grade electrical switch engineered for demanding saltwater and freshwater boating environments. Built to withstand the harsh conditions that serious anglers and boat operators face daily, this compact switch handles the constant vibration, shock, and moisture exposure inherent to time spent on the water. Whether you're running navigation lights, bilge pumps, or auxiliary systems, this dual-pole, dual-throw switch provides reliable ON-ON functionality for applications requiring simultaneous control of two independent circuits.

The DPDT (Double Pole, Double Throw) configuration enables independent switching of two separate electrical loads with a single lever action, making it ideal for vessels with multiple systems demanding fail-safe control. Its black finish resists corrosion from salt spray, thermoshock, and extended UV exposure—critical factors for any switch mounted in the wheelhouse or console of a working boat. The switch mounts directly into Blue Sea Systems Contura Water Resistant Panels and Contura Switch Mounting Panels, ensuring weatherproof integration and clean electrical isolation. The robust construction and sealed design prevent moisture ingress and maintain consistent switching performance through thousands of operational cycles.

This switch is essential for anglers and boaters who depend on their vessel's electrical systems for safety and operation. Commercial and recreational captains rely on Contura II switches for pump control, auxiliary power distribution, and redundant circuit management in saltwater fleets. The compact 2 x 2 x 4-inch footprint integrates seamlessly into existing panel configurations without requiring additional modification. Installation is straightforward when paired with compatible Blue Sea Systems mounting panels, and the proven design has earned trust across charter boats, fishing vessels, and cruising yachts worldwide.