Trane CPT0203 Run Capacitor

The Trane CPT0203 is a professional-grade 7.5 MFD 440V run capacitor engineered for demanding HVACR applications. This oval run capacitor is a standard replacement for condenser fan motors and blower assemblies in Trane and American Standard equipment. Rated for 440VAC, this component provides superior insulation and dielectric strength compared to 370V alternatives, ensuring stable motor run capacitance even under high thermal loads. The non-PCB oil-filled design assists in heat dissipation, while the rugged aluminum casing provides the structural integrity needed for long-term field reliability.

For technicians performing HVAC motor capacitor replacement, the CPT0203 features standard 1/4-inch quick-connect terminals to streamline wiring in tight control boxes. Maintaining the correct 7.5 microfarad rating is essential for preserving the motor's torque characteristics and preventing premature winding failure. This OEM-spec capacitor handles the back EMF generated by high-efficiency motors, making it a critical stock item for any service truck focused on residential or light commercial cooling systems.

• Universal Compatibility: Optimized for use in fan motors and blowers requiring a 7.5 MFD rating across various Trane and secondary brands.
• High Voltage Threshold: The 440 volt rating allows it to safely replace 370V units, offering increased durability against voltage spikes.
• Form Factor: The compact oval case design ensures a proper fit in standard mounting brackets where space is restricted.
• Safety Integrated: Featuring a pressure-sensitive interrupter to safely disconnect the capacitor in the event of internal failure.

• Can I use this 440V capacitor if my old one was 370V? Yes. A higher voltage rating is a functional upgrade that provides better protection against electrical stress, as long as the 7.5 MFD capacitance matches.
• Does the oval shape affect performance versus a round capacitor? No. The shape is strictly for physical mounting compatibility; the electrical performance remains the same.
• What happens if I use a different microfarad rating? Using an incorrect MFD rating can lead to increased motor heat, noisy operation, and eventual motor burnout. Always match the OEM specification of 7.5 uF.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.