Description
The MARS 12078 Round Run Capacitor is a dual-section motor capacitor used to support the operation of single-phase motors such as compressors and condenser fan motors. It provides stored and released electrical energy to help maintain steady motor operation during startup and continuous running conditions. Rated at 40/3 MFD and 440V, it is commonly applied in air conditioning condenser units and air handling equipment in HVAC systems. Within the system, it contributes to motor stability, electrical efficiency, and consistent performance of rotating components during normal cooling operation and routine maintenance cycles.









