S602121MS04G is a double-pole double-throw (DPDT) slide switch from the C&K S Series designed for power switching applications. It features a 12 amp rating at 125V AC and 6 amps at 250V AC, with PC thru-hole (MS) mounting style and a screwdriver slot actuator with markings. The switch includes a detent mechanism and gold over silver (G) contact material for both low-level and power applications. With an electrical life of 10,000 make-and-break cycles at full load and contact resistance below 10 mO, this switch is suitable for portable tools, small appliances, and floor care products where reliable switching performance is required.