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Safety tips
- Turn off power, both at the unit and at the circuit breaker
- Deactivate the electrical charge by using an insulated screwdriver and touching each terminal
- Wear insulated gloves
590-708 mfd 110-150VAC ±20% Volts Round Motor Start Capacitor by Blue Stars
Perfect Fit, High Quality & Easy To Install
The 590-708 mfd 110-150VAC ±20% Volts Round Motor Start Capacitor 50/60 Hz AC Electric is used in starting fractional horsepower, single-phase electric motors, as well as in gear motor applications.
Technical Specification
- Shape: Round Motor Start
- Capacitance tolerance: ± 20%
- Rated voltage: AC 110-150V
- Temperature range: -40℃ to +65℃/ -40℉ to 149℉
- Capacitor Dimensions: 46mm x 85mm
- Engineered For Safety 10000 AFC Anti Explosion Pressure Switch
- No PCBs
- Easy to install
- Made of high quality materials
- No harmful chemicals and safe to use
- Long-lasting
Benefits
Start capacitors are needed at the beginning of each cycle and run capacitors are necessary for keeping HVAC running throughout the cycle. Replacing bad capacitors can help promote efficient operation and lengthen the life of your HVAC units
Energy Saving
This capacitor will provide your electric motors with an outstanding electrical characteristic of high capacitance stability over time and temperature, and very low internal power loss.
Premium Quality
The product is made of strong & durable materials that prevent cracking and failing during the installation and use process.
Safe To Install
The capacitor is engineered for safety and ensure security when replacing
Commander PIlot
2025-08-28 16:11:02
Purchased it because my air compressor kept tripping a breaker when it tried to start. Thinking it was the start capacitor, I purchased and installed this one (along with a new run capacitor because I thought they were both old so I might as well replace them both.) I turned on the compressor and...tripped the breaker. I tightened all the wire connections thinking that might be the problem and...tripped the breaker. Out of frustration and the need to have the compressor working, I took it to an electric motor repair shop. They tested the new capacitor (it was perfect) and installed it. Ran perfect. After paying $142 to the shop (grrr) I took it home and plugged it in. Tripped the breaker. Took it to another outlet on a different circuit and plugged it in. It started and ran perfectly. That's when it dawned on me that the problem was likely a faulty breaker. Switched out the breaker and flipped on the compressor. You guessed it, it ran fine. The moral of my $142 story is don't be dumb like me. Test your "bad" capacitor if you have that capability (I didn't). On the bright side, I have new start and run capacitors. :-)
Michael Roche
2025-08-08 12:56:22
A little bigger than OEM but fit inside the sheet metal cover. Works.
KG
2025-07-30 09:22:08
Worked for us as a replacement on a Sears air compressor.
John Corder
2025-07-29 10:23:01
Wound up unable to use for my application.
loserjoe
2025-07-14 12:51:02
Fixed my pump motor perfectly and is working fine.
Virtual1
2025-06-15 14:51:32
My outside AC unit's fan stopped spinning up when it was running so I decided to just swap both the start and run capacitors, and that fixed it. Both caps tested at the high end of their rated capacity, so hopefully they last a good long time. It's MUCH cheaper to swap these yourself rather than pay a tech over $100 to come out and do it for you. Just make sure you shut off power at the outside box before opening up your outside unit. This cap was the exact same dimensions as the one it replaced, so I didn't have to do any adjustments to the brackets that hold he caps. The spade connections on the top for the wires were the same too, so it was very easy to swap. The hardest part of the entire job was getting the cover back on the outside unit after I was done swapping the caps.
Will
2025-06-06 15:26:30
Product work as advertised it was a perfect fit almost exact same size as the original part.
Scott W
2025-05-17 18:30:19
I used this to replace a failed start capacitor on the motor for my powermatic band saw. I had to modify the connectors a bit to get it hooked up. The original had a screw connection, but if you have a powermatic band saw or similar, I'm sure you're handy enough to do some on the fly mods. Other than the connection, it fit perfectly. I could have just ordered an OEM replacement from powermatic, but the OEM part was more than double the cost and would have taken twice as long for shipping. Not sure about quality, but the old one only lasted 6 years. We will have to wait and see how long this one lasts. It definitely got my saw up and running again.
Colin Axelson
2025-05-13 15:59:06
Arrived on time & as descibed
Jonathan bokor
2025-04-02 16:12:46
Received in a almost perfect box with a not so perfect cracked capacitor. The one star is for the shipping since it only took like three days to get here
Allison L.
2025-03-05 18:36:06
Air compressor starts right up now after installing the capacitor.
Customer
2025-02-27 14:47:48
Could not find a capacitor in my small rural town to save my life. My tablesaw is running again thanks to this little gem.
Robert Doucet
2025-02-08 13:53:33
Livraison rapide et bien emballé
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