V1D1BT0B-00000-000 is a sealed V-Series Contura rocker switch designed for demanding marine and transportation applications. The switch features IP66 certification with dual seals around lamps and rocker stem, silver-plated butt contact mechanism rated for 50,000 to 100,000 electrical cycles depending on circuit configuration, and grease-less construction that withstands temperature extremes down to -40°C. Electrical specifications include contact ratings up to 15 amps at 125VAC, 10 amps at 250VAC, and 20 amps at 4-14VDC, with dielectric strength of 1500 Volts RMS and insulation resistance of 50 Megohms. The switch accommodates up to 10 terminals with endless illumination and circuit options, featuring removable/replaceable lamps in incandescent (10,000 hours), neon (25,000 hours), or LED (100,000 hours) configurations. These rugged switches are ideal for alerting operators of system functions or malfunctions in harsh environments where reliability and corrosion resistance are critical.