Description
The Supco RC1X450 is a precision-engineered mini-split run capacitor designed to maintain smooth, efficient motor operation in ductless mini-split systems. Run capacitors remain energized throughout the entire motor operating cycle, providing the phase shift necessary to keep single-phase motors running at peak efficiency and preventing premature motor wear.
Product Overview
Built to Supco’s exacting quality standards, the RC1X450 is a direct replacement capacitor for mini-split indoor and outdoor fan motors. Its compact form factor is purpose-built for the space-constrained enclosures common in ductless systems, making installation straightforward for HVAC technicians.
Key Specifications
- Capacitance: 1 Microfarad (MFD/µF)
- Voltage Rating: 450VAC
- Application: Mini-Split Systems
- Type: Run Capacitor
- Brand: Supco
- SKU: RC1X450
Features & Benefits
- Designed specifically for mini-split fan motor applications
- 450VAC rating provides a reliable safety margin above standard 240VAC mini-split circuits
- Maintains consistent capacitance for stable, efficient motor operation
- Compact mini-split form factor for easy installation in tight enclosures
- Manufactured by Supco, a trusted name in HVAC replacement components
- Helps prevent motor overheating and extends equipment service life
Application
The RC1X450 is ideal for HVAC technicians servicing ductless mini-split systems where the original run capacitor has failed or degraded. A faulty run capacitor is one of the most common causes of mini-split fan motor inefficiency, overheating, and failure to start. Replacing it with the correct Supco RC1X450 restores proper motor phase shift and ensures reliable year-round operation.







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