The LT-2511-640-012 is a double-pole illuminated toggle switch featuring an On-None-Off contact configuration with a 12-volt incandescent lamp and .250 Tab quick-connect termination. This switch is rated for 10 A at 250 VAC, 15 A at 125 VAC, 3/4 HP at 125–250 VAC, and 15 A at 12–28 VDC, with a dielectric strength of 1000 V between live and dead metal parts. The switch incorporates neoprene bushing seals for dust and moisture protection and is designed to withstand 50,000 cycles in maintained operation and 25,000 cycles in momentary operation. With an operating temperature range of 0 °C to 85 °C (32 °F to 185 °F), this switch is well-suited for marine and transportation applications where reliable illuminated control and environmental sealing are essential.