how long does run capacitor work lifetime?
The mid point for a good quality aftermarket (a capacitor that didn't come with your motor) run capacitor would be 30,000-60,000 running hours. Factory installed run capacitors sometimes have a designed lifespan of much less that this. In highly competitive industries where every part can have a significant impact on cost, or where a motor's intended use would likely be intermittent and infrequent, a lower grade of run capacitor may be selected...