4µF 450VAC Motor Run Capacitor | CBB60 Continuous Duty Capacitor The 4µF 450VAC Motor Run Capacitor is engineered to support the efficient and reliable operation of single-phase electric motors. Designed for continuous-duty applications, it remains active while the motor is running, helping maintain consistent torque, smooth performance, and improved electrical efficiency. Manufactured using high-quality polypropylene film technology, this CBB60 motor run capacitor provides excellent reliability and long service life. It is commonly used in fan motors, HVAC equipment, air conditioners, ventilation systems, pumps, and other motor-driven machinery where dependable operation is essential. Run capacitors play an important role in maintaining motor efficiency and reducing electrical stress on motor windings. A failing capacitor can lead to reduced motor performance, overheating, excessive vibration, increased energy consumption, and shortened motor life. Featuring a durable cylindrical housing, pre-fitted connection leads, and a mounting stud for secure installation, this capacitor provides a reliable replacement solution for industrial, commercial, and residential motor applications. Suitable Applications: Fan motors Air conditioning systems HVAC equipment Ventilation systems Water pumps Small electric motors Workshop machinery Industrial equipment Commercial motor applications Key Features: 4µF capacitance rating 450VAC voltage rating Continuous-duty motor run capacitor CBB60 polypropylene film construction Supports stable motor operation Improves motor efficiency Helps maintain consistent torque Durable cylindrical housing Pre-fitted leads for easy installation Suitable for 50/60Hz applications Common Signs of a Failed Run Capacitor: Reduced motor performance Motor overheating Excessive humming noise Increased vibration Poor energy efficiency Inconsistent motor speed Browse our full range of Motor Run Capacitors to find the correct replacement for your equipment. We also stock a wide selection of Single-Phase Electric Motors for industrial, commercial, and workshop applications.