This is a radial leaded, polypropylene film, double-layer capacitor manufactured by WIMA. It has a voltage rating of 900VDC, a capacitance of 30.0 uF, and a tolerance of 10%. The DCP4N053007ID4KSSD marking indicates that this part is for a motor run start capacitor, specifically designed for high-efficiency motors. The part features very low losses, enabling faster and more efficient motor acceleration, and a self-healing property, which allows it to resist damage due to arcing or discharges. This part is also highly temperature-stable, so it can withstand high and varying temperatures.