BlueStars
30+7.5 uF ±5% 30/7.5 MFD 370/440 VAC Dual Run Start Round Capacitor 50/60Hz 10000AFC for Condenser Straight Cool or Heat Pump Air Conditioner or AC Motor and Fan Starting
*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.
Bottom line: The 30+7.5 uF ±5% 30/7.5 MFD 370/440 VAC Dual Run Start Round Capacitor 50/60Hz 10000AFC for Condenser Straight Cool or Heat Pump Air Conditioner or AC Motor and Fan Starting is a category leader on buyer feedback in the tools & maintenance category, priced around $8.99, rated 4.6★ across 2,291 verified Amazon reviews. A confident buy for most shoppers in this category.
SpecPicks Verdict
SpecPicks classifies BlueStars 30+7.5 uF ±5% 30/7.5 MFD 370/440 VAC Dual Run Start Round… as a category leader on buyer feedback in the tools & maintenance category, based on 2,291 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. BlueStars's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for tools & maintenance of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.6★ average across customer reviews
- ✓ Large, well-vetted feedback pool (2,291 reviews)
- ✓ WHAT YOU GET: 30+7.5 uf 370-440VAC Round Motor Start Capacitor 50/60 Hz AC Electric
- ✓ Backed by BlueStars's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- WHAT YOU GET: 30+7.5 uf 370-440VAC Round Motor Start Capacitor 50/60 Hz AC Electric
- SPECIFICATIONS - Capacitance: 30+7.5 uf; Rated voltage: AC 370-440V; Tolerance: +/-5%; Shape: Round; Capacitor dimensions: 50mmx105mm; Operating temperature range: -25℃ to 70℃/ -13℉ to 158℉; No PCBs; 50/60 Hz.
- USED FOR - Central Air-Conditioners, Heat Pumps, Condenser Fan Motors, Compressors and other Start Capacitors with similar volume and voltage rating
- PREMIUM QUALITY - The replacement part is made from durable high-quality aluminum and well-tested by the manufacturer - Meets OEM standards - Ensures long-lasting and effective performance. 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.
- 100% LIFETIME PROTECTION: Enjoy reliable performance with our lifetime protection, ensuring that your product will always be covered for any defects or issues that may arise.
Full Specifications
| Brand | BlueStars |
|---|---|
| Model | 30+7.5 MFD |
| Shape | Round |
| Material | Aluminum |
| Item Shape | Round |
| Unit Count | 1.0 Count |
| Capacitance | 30 Microfarad |
| Part Number | X1-5J34-K0AW |
| WHAT YOU GET | 30+7.5 uf 370-440VAC Round Motor Start Capacitor 50/60 Hz AC Electric |
| Material Type | Aluminum |
| Mounting Type | Through-Hole Mount |
| Maximum Voltage | 440 Volts |
| Operating Voltage | 440 Volts |
| Included Components | 30+7.5 MFD 370-440 VAC CBB65 Capacitor |
Ready to buy?
BlueStars 30+7.5 uF ±5% 30/7.5 MFD 370/440 VAC Dual Run Start Round Capacitor 50/60Hz 10000AFC for Condenser Straight Cool or Heat Pump Air Conditioner or AC Motor and Fan Starting is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.
Related Tools & Maintenance
![[2025 Updated] BlueStars 55+7.5 uF 55/7.5 MFD ±5% 370 or 440 Volt AC CBB65B Dual Run Round Capacitor - Fit Condenser Straight Cool or Heat Pump Air Conditioner - Replaces C35575R, TT-CAP-55/7.5/440](https://m.media-amazon.com/images/I/71DeY3IMGDL._SL1500_.jpg)