D489-V3RA is a miniature snap switch from the D4 Series designed for high-current switching applications. This single pole, double throw (SPDT) switch features a 21A contact rating at 250 VAC and is rated for operation at 125°C. It utilizes a long life coil spring mechanism and includes 6.3 x 0.8 mm (0.250 x 0.032 in) quick connect terminals in a dog leg configuration with a roller actuator at standard ratio. The switch is RoHS compliant and cadmium free, with a flammability rating of UL 94V-0. Common applications include industrial equipment, appliances, and control systems requiring reliable high-current switching capability.