Start Capacitor Range Guide
Browse and jump directly to the capacitor you need. Match the original µF (MFD) on the motor’s label (±10% typical for start caps) and use the same or higher voltage rating—never lower.
- 25–30 MFD 250V
- 31.5–40 MFD 250V
- 40–50 MFD 250V
- 50–63 MFD 250V
- 63–80 MFD 250V
- 72–88 MFD 250V
- 88–108 MFD 250V
- 108–130 MFD 250V
- 124–149 MFD 250V
- 145–174 MFD 250V
- 160–200 MFD 250V
- 189–227 MFD 250V
- 200–250 MFD 250V
- 216–260 MFD 250V
- 233–280 MFD 250V
- 250–315 MFD 250V
- 270–324 MFD 250V
- 315–400 MFD 250V
- 43–53 MFD 330V
- 72–88 MFD 330V
- 88–108 MFD 330V
- 108–130 MFD 330V
- 130–156 MFD 330V
- 145–174 MFD 330V
- 160–200 MFD 330V
- 250–315 MFD 330V
All start capacitors include:
- End cap, mounting bracket & discharge resistor
- P1 Safety Class
- Operating frequency: 50–60 Hz
- Rated voltage: 250 VAC or 330 VAC as specified
Start Capacitor 25–30 MFD 250V
Commonly used in smaller motors such as pedestal fans, evaporative coolers, and small air compressor units.
Start Capacitor 31.5–40 MFD 250V
Ideal for domestic water pumps, split system air conditioners, and small workshop tools.
Start Capacitor 40–50 MFD 250V
Suitable for higher torque applications like deep well jet pumps and rotary compressors.
Start Capacitor 50–63 MFD 250V
Used in HVAC condenser fans and older single-phase motors in refrigeration units.
Start Capacitor 63–80 MFD 250V
Great for split A/C systems and commercial refrigeration compressors.
Start Capacitor 72–88 MFD 250V
Popular in washing machine motors, fan motors, and small HVAC systems.
Start Capacitor 88–108 MFD 250V
Designed for medium-duty applications including HVAC blowers and pumps.
Start Capacitor 108–130 MFD 250V
Used in pool pumps, spa pumps, and light industrial machinery with start-up torque requirements.
Start Capacitor 124–149 MFD 250V
Recommended for large induction motors in agricultural equipment and compressors.
Start Capacitor 145–174 MFD 250V
Well-suited for heavy-duty electric motors in woodworking equipment and air compressor units.
Start Capacitor 160–200 MFD 250V
Used in commercial refrigeration, HVAC units, and pressure washer motors.
Start Capacitor 189–227 MFD 250V
Designed for high torque, large motor systems like large HVACs and generators.
Start Capacitor 200–250 MFD 250V
Common in commercial-grade vacuum pumps and heavy workshop equipment.
Start Capacitor 216–260 MFD 250V
Best for long-running, high-load industrial systems like conveyor motors and heavy compressors.
Start Capacitor 233–280 MFD 250V
Used in electric winches, large air movers, and high-output water pumps.
Start Capacitor 250–315 MFD 250V
Supports motors that demand high startup torque under load, such as in belt-driven equipment.
Start Capacitor 270–324 MFD 250V
Perfect for tough start-up environments such as large HVAC rooftop units.
Start Capacitor 315–400 MFD 250V
Typically used in high-capacity compressors and industrial-grade HVAC systems.
Start Capacitor 43–53 MFD 330V
Great for slightly higher voltage applications like modern air conditioners and fan motors.
Start Capacitor 72–88 MFD 330V
Ideal for upgraded or retrofit HVAC systems that run on 330V start circuits.
Start Capacitor 88–108 MFD 330V
Used in commercial refrigeration and mid-range electric motors operating on 330V lines.
Start Capacitor 108–130 MFD 330V
Suited for electric motor repair and replacement where a 330V rating is required.
Start Capacitor 130–156 MFD 330V
Designed for consistent performance in high ambient temperature environments.
Start Capacitor 145–174 MFD 330V
Supports industrial-grade compressors and large HVAC motor systems.
Start Capacitor 160–200 MFD 330V
Heavy-duty option for industrial use and robust HVAC split systems with 330V start circuits.
Start Capacitor 250–315 MFD 330V
Built for the most demanding startup applications in factories, warehouses, and large-scale A/C systems.
Useful Add-Ons & Related Items
- Motor Start Capacitors Collection – Jump directly to the right size and voltage for your job.
- SUPCO Super Boost Hard Start Kit – Includes capacitor and relay for smoother compressor starts and longer life.
- Motor Run Capacitors (fixed 8 mm bolt) – Ideal addition if you’re replacing both start and run capacitors in the same system.