The 6-1618384-4 is a KILOVAC MAP101 series high-voltage, latching DC contactor designed for high-current switching applications. This model features a 28 Vdc coil, a single-pole, single-throw, normally open (SPST-NO) main contact, and an additional SPST-NO auxiliary contact. It is hermetically sealed and utilizes dual copper/molybdenum contact material for reliable performance in harsh environments. The unit is configured for side mounting, includes 10-32 female power terminals, and is equipped with 15.3-inch flying leads terminated with a 9-pin Micro-D connector. Its robust, intrinsically safe design makes it ideal for demanding military aerospace, ground vehicle, and naval applications where long-term reliability is critical.