The 450-21-0030 is an accessory capacitor with a capacitance of 20 µF. It is engineered to operate reliably across a temperature range of -40°C to +85°C. This component has physical dimensions of 2.00 inches (50.8 mm) in height and 2.125 inches (53.98 mm) in diameter, featuring an M8 mounting stud. With UL and cUL approvals, this capacitor is suitable for various applications, including use with multi-speed blowers to adjust performance.