The MARS 11987 Round Start Capacitor is a high-capacity HVAC component designed to deliver the extra electrical boost required to start motors efficiently. With a rating of 340–408 MFD and 250/220V, it stores and releases energy to help compressors and motors overcome initial inertia. This capacitor is commonly used in air conditioners, heat pumps, and refrigeration systems. It improv... https://www.partshnc.com/11987-mars-340-408mfd-250220v-start-cap