
687152215621 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $21.99 | Condition is New, Supco RCO210 3 in 1 Hard Start Capacitor Kit Refrigeration Compressor Starter, FREE SHIPPING | 100.0% |
![]() | $30.00 | Top Pick! Condition is New, Supco 3W1 3-Wire Mechanical Potential Relay and Hard Start Capacitor - CSRU1, FREE SHIPPING | 99.1% |
![]() | $31.89 | Condition is New, Supco 3W1 Hard Start Kit, Potential Relay, Start Capacitor, 208 To 240, Single,, shipping cost = $5.00 | 99.8% |
![]() | $35.00 | Top Pick! Condition is New, Supco 3W1 Hard Start Kit, Potential Relay, Start Capacitor, The Original, shipping cost = $7.99 | 99.7% |
![]() | $54.40 | Condition is New, Supco 2464079 3 WIRE HARD START KIT, 1-3 HP, FREE SHIPPING | 98.6% |
![]() | $350.00 | Top Pick! Condition is New, Supco RCO210 3 in 1 Hard Start Capacitor Kit, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $5.00 | Condition is Used, Supco RCO210 3 in 1 Hard Start Capacitor Kit Refrigeration Compressor Starter, shipping cost = $9.14 | 97.8% |

The Supco 687152215621 3W1 3-wire mechanical potential relay start capacitor is a crucial component in various electrical systems, particularly in applications where a potential relay is used for starting motors. This capacitor is designed to provide the necessary energy boost to the relay coil for it to function properly.
This capacitor comes with a 3W rating, indicating its power handling capability. The 3-wire design allows for easier integration into electrical circuits, as it includes an additional wire for the capacitor's ground connection. The mechanical construction of this capacitor ensures its robustness, making it suitable for industrial and heavy-duty applications.
The Supco 687152215621 3W1 3-wire mechanical potential relay start capacitor is manufactured with high-quality materials to ensure optimal performance and reliability. The capacitor's insulation system is designed to withstand high voltages, making it safe for use in electrical applications. Its compact size allows for easy installation in confined spaces.
This capacitor's mechanical design includes a spring-loaded contact system that ensures a reliable connection between the capacitor and the relay. This feature helps to minimize the risk of arcing or sparking, which could potentially cause damage to the electrical system or pose a safety hazard.
In conclusion, the Supco 687152215621 3W1 3-wire mechanical potential relay start capacitor is an essential component for any electrical system that utilizes a potential relay for motor starting. Its 3W rating, 3-wire design, and mechanical construction make it a versatile and reliable solution for various industrial and heavy-duty applications. With its high-quality materials and robust design, this capacitor is sure to provide optimal performance and reliability for years to come.
The Supco 687152215621 3W1 3-wire mechanical potential relay start capacitor is a component used in various electrical applications, particularly in motors and compressors, to provide the necessary electrical charge to initiate the electrical discharge that starts the motor or compressor. Here are some pros and cons of buying this specific capacitor:
Pros:1. Mechanical construction: This capacitor has a mechanical construction, which means it does not contain a dielectric fluid that can leak, making it a safer option for certain applications.
2. 3-wire design: The 3-wire design allows for easier installation and wiring compared to capacitors with more complex wiring configurations.
3. 3W capacity: The 3W capacity is suitable for smaller motors and compressors, making it a cost-effective option for those applications.
Cons:1. Limited capacity: With a capacity of only 3W, this capacitor may not be suitable for larger motors or compressors, limiting its application range.
2. Mechanical construction: While the mechanical construction is a pro for safety reasons, it can also make the capacitor more prone to wear and tear over time, potentially requiring more frequent replacements.
3. Limited availability: This specific model may not be readily available from all suppliers or distributors, which can make sourcing and purchasing more difficult.
In conclusion, the Supco 687152215621 3W1 3-wire mechanical potential relay start capacitor is a suitable option for smaller electrical applications that require a 3W capacitor with a 3-wire design and a mechanical construction. However, its limited capacity and potential for increased wear and tear may make it less ideal for larger applications or those that require a more robust capacitor.
Recommendation:If you are looking for a capacitor for a smaller electrical application and prefer a mechanical design with a 3-wire configuration, then the Supco 687152215621 3W1 3-wire mechanical potential relay start capacitor could be a good choice. However, if you require a higher capacity or a more robust design, it may be worth considering other options. It is always recommended to check with your specific application requirements and consult the appropriate technical specifications before making a purchase.
Details:
Supco 3w1 3-wire mechanical potential relay and hard start capacitor.
specifications maxohvac:
- brand: Supco
- type: Hard Start Capacitor
- custom bundle: No
- california prop 65 warning: Warning Https
- part type: Capacitor
- upc: 687152215621
payments maxohvac:
- credit card: mastercard
- other
- wallet: apple-pay
seller maxohvac:
- rating: 99.4%
- # reviews: 110526
- city: colorado springs, colorado
returns maxohvac:
- policy: no returns
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
shipping maxohvac:
- transit: 5-11 days
- class: standard
- service: usps ground advantage
- type: fixed
- carrier: usps
offer maxohvac:
- prices: $5.00–$350.00
- item condition:
- New
- Used
- options: ship-to-home
- sold #: 22
- in stock #: 5
- started: june 16, 2025
- availability: in stock
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