
Quick overview
- Rated 30 MFD The capacitance value, which must match the capacitor being replaced.
- 370 volt rating Rated at 370V, the common run capacitor voltage class for pool motors.
- Round can Round body style rather than oval, so check which shape your motor housing takes.
- Run, not start A run capacitor stays in the circuit while the motor turns, unlike a start capacitor that drops out.
- Common failure point A swollen, leaking or dead run capacitor is a frequent cause of a motor that hums but will not spin up.
- Discharge before handling Capacitors hold a charge after power is off, so short the terminals safely before touching them.
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Product details
The SuperPro 12717 is a round run capacitor rated 30 MFD at 370V, sized for pool equipment motors that use a capacitor of that rating.
What a run capacitor does
Single phase motors need a phase shift to keep torque smooth once they are turning. The run capacitor provides it, and it stays in circuit the whole time the motor runs. That constant duty is why run capacitors age out, and why a motor that has served for years can suddenly hum, draw current and refuse to come up to speed.
Matching the replacement
Capacitance has to match the original, in this case 30 MFD. The voltage rating must be at least as high as the original, and the can shape has to suit the housing or strap on your motor, which is why round and oval versions of the same rating both exist.
Safety
Kill the power at the breaker and discharge the capacitor before disconnecting anything. A capacitor holds its charge after the supply is off, and that stored energy is enough to hurt.
| Brand | SuperPro |
|---|---|
| Manufacturer part number | 12717 |
| UPC | 685744127178 |
| Type | Run capacitor |
| Capacitance | 30 MFD |
| Voltage | 370V |
| Shape | Round |
| Shipping weight | 0.3 lb |
| Ships | Parcel |
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