The 2-1618002-3 is a KILOVAC EV250 series high-voltage DC contactor designed for make and break load switching. This contactor features a hydrogen dielectric and is hermetically sealed, allowing it to operate in harsh environments from -40°C to +85°C. It has a continuous current rating of 400 A and can interrupt up to 2,500 A at 320 Vdc. The device includes an internal coil economizer for low holding power and built-in coil suppression. It is well-suited for a variety of applications including circuit protection, battery switching, and main power safety disconnects in high-voltage DC systems.