50MFD 370V ROUND RUN CAPACITOR
Product Overview
The standard specification for restoring reliable motor run performance on single-phase pool pumps.
Rated at 50 MFD and 370 VAC, this round run capacitor (part number 12725 by JARD / MARS, distributed by Super-Pro) provides the continuous phase-shift capacitance required by compatible single-phase pool pump motors. Built to cRUus and CE standards, it reliably handles high continuous duty cycles and intense summer operating temperatures.
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Benefits & What Makes It Different
50 MFD / 370V Specification
Delivers exact microfarad capacitance to maintain balanced motor winding current and proper operating efficiency.
cRUus and CE Recognized
Tested and certified to North American and European electrical safety standards for continuous pool equipment operation.
Proven JARD 12725 Design
Engineered with durable dielectric fluid and terminal construction to resist premature failure caused by electrical spikes.
Compatibility
- Compatible with single-phase pool pump motors specifying a 50 MFD / 370 VAC round run capacitor
- Direct replacement for JARD / MARS part 12725 and matching OEM specifications
When To Use This
Pro Tip
High summer heat and hard water scale buildup force pump motors to pull higher continuous amperage, degrading capacitor dielectric fluid faster. If your pump motor canopy gets direct afternoon sun, check capacitance with a multimeter annually to catch weakening capacitors before they leave you with a green pool.
Common Questions & Instructions
What symptoms indicate my pool pump motor capacitor has failed?
A failed run capacitor typically causes the motor to hum without turning, overheat and cycle off on thermal overload, or trip the electrical breaker. Visible indicators include a bulged top, weeping dielectric oil, or burnt electrical terminals.
Can I replace a 370V run capacitor with a 440V rating?
Yes. A 440V capacitor can safely replace a 370V model as long as the capacitance rating matches exactly (50 MFD) and the physical round canister dimensions fit inside your motor's rear canopy.
How do I safely install the 12725 round run capacitor?
Always shut off power at the main breaker before servicing. Discharge the stored electrical energy across the old capacitor terminals using an insulated screwdriver before disconnecting the wires, then transfer leads to the new unit.
Delivered today to your DFW neighborhood
Order this item by 2 PM Central on a weekday, and we'll have it on your driveway by evening. Same-day delivery is FREE to every ZIP in our DFW coverage area — no minimum — or it's free with our weekly service plan.
