A capacitor is an electronic component that stores and releases electrical energy in a circuit. It consists of two conductive plates separated by an insulating material (called a dielectric). When voltage is applied, the capacitor stores energy in the form of an electric field, then discharges it when needed. In AC motor systems, such as HVAC units or appliances, capacitors help start the motor or keep it running efficiently.
There Are Two Main Types Used In Motors
- Start Capacitors – Provide a quick burst of energy to help motors start.
- Run Capacitors – Deliver continuous energy to maintain motor speed and efficiency.
DIY Replacement
- Swap out your old or faulty capacitor in minutes with this plug-and-play replacement. Always confirm voltage and capacitance before installing.
Why Capacitors Matter
- Without a properly functioning capacitor, many electrical devices—like air conditioners, fans, or compressors—may fail to start, run inefficiently, or overheat. Replacing a faulty capacitor is a simple and cost-effective way to restore performance. Capacitors are rated by their capacitance (measured in microfarads, µF) and voltage, which determine their storage capacity and electrical limits
Additional Info
- High-Grade Construction: Built with metallized polypropylene film and housed in a durable, oil-free plastic or aluminum casing to ensure high dielectric strength and heat resistance.
- Reliable Continuous Operation: Designed for long-term use in single-phase AC motors, including HVAC systems, air compressors, pumps, and more.
- Stable Capacitance Ratings: Maintains precise µF (microfarad) ratings across a wide temperature range for consistent motor performance.
- Stable & Efficient – Maintains consistent capacitance under load, reducing motor overheating and energy loss.
- Premium Build Quality – Features metallized polypropylene film in a sealed, oil-free aluminum or plastic case.
- Universal Fit – Available in various µF (microfarad) ratings to fit most residential and commercial motors.
- Low Energy Loss: Minimizes internal power dissipation, reducing heat build-up and enhancing energy
- Safe & Compliant – UL-listed and RoHS compliant for safety and environmental standards.
- Built to Last – Operates in extreme conditions: -40°C to +70°C
Compatible With
- HVAC Units (Air Conditioners, Furnaces, Heat Pumps)
- Industrial Fans & Blowers
- Refrigerators & Freezers
- Ceiling & Industrial Fans
- Water & Sump Pumps
- Central AC Units
- Air Compressors
Uses
- Starting & Running Electric Motors
- Energy Storage In Electronic Circuits
- Smoothing Voltage Fluctuations
- Filtering In Power Supplies
- Power Factor Correction
Features
- Type: Capacitor Motor Start
- Dimensions
- Height: A – 69mm
- Diameter: B – 36mm
- Color: Black
- Shape: Cylindrical
- Terminal Type: Lug
- Capacitance: 53-64µF
- Frequency: 50/60 Hz
- Operating Temp: -40°C to +70°C
- Voltage: 330VAC
- Tolerance: ±5%
- Brand: Unitherm
- Warranty: No
Image Disclaimer: Slight variations may occur between the product displayed image and the actual product.
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