Blue Sea Systems BSS Switch Contura2 SPST Off-On Black (replaces Marinco 5540

The Blue Sea Systems 7929 Contura II SPST Off‑On Rocker Switch is a rugged, panel-mount switch engineered for marine and RV DC applications, rated for 20 A at 12 V and 15 A at 24 V. Featuring a single LED indicator that illuminates in the ON position, it draws only 18 mA, ensuring low power consumption. Designed to withstand vibration, shock, temperature extremes (–40 °C to +85 °C), moisture, and salt spray, this Contura II switch is ignition-protected and seals both internally and externally. Its durable construction makes it ideal for controlling lights and accessories reliably in harsh environments