--- product_id: 499804805 title: "55 uF/MFD 370-440VAC Round Run Start Capacitor Replacement Part by Blue Stars - Exact Fit for AC Motor Run or Fan Start and Cool or Heat Pump Air Conditioner" brand: "bluestars" price: "£51.75" currency: GBP in_stock: false url: https://www.desertcart.co.uk/products/499804805-55-uf-mfd-370-440vac-round-run-start-capacitor-replacement store_origin: GB region: United Kingdom --- # 55uF high capacitance 370-440VAC rated voltage -25℃ to 70℃ operating temp 55 uF/MFD 370-440VAC Round Run Start Capacitor Replacement Part by Blue Stars - Exact Fit for AC Motor Run or Fan Start and Cool or Heat Pump Air Conditioner **Brand:** bluestars **Price:** £51.75 **Availability:** ❌ Out of Stock ## Summary > ⚡ Boost your AC’s heartbeat with Blue Stars’ powerhouse capacitor! ## Quick Answers - **What is this?** 55 uF/MFD 370-440VAC Round Run Start Capacitor Replacement Part by Blue Stars - Exact Fit for AC Motor Run or Fan Start and Cool or Heat Pump Air Conditioner by bluestars - **How much does it cost?** £51.75 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/499804805-55-uf-mfd-370-440vac-round-run-start-capacitor-replacement) ## Best For - bluestars enthusiasts ## Why This Product - Trusted bluestars brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Risk-Free Upgrade:** Backed by a no-questions-asked money-back guarantee—because your peace of mind matters. - • **Thermal Toughness:** Operates smoothly from -25℃ to 70℃, built to withstand extreme temperature swings for year-round performance. - • **OEM-Grade Durability:** Crafted from premium aluminum and tested to meet OEM standards, guaranteeing long-lasting, stable operation. - • **Power-Packed Precision:** 55uF capacitance with just ±5% tolerance ensures your AC motor runs flawlessly every time. - • **Voltage-Ready Reliability:** Rated for 370-440VAC, this capacitor handles industrial-grade power demands without breaking a sweat. ## Overview The Blue Stars 55uF/MFD Round Run Start Capacitor is a premium replacement part designed for AC motors, fans, and compressors. Rated at 370-440VAC with a tight 5% tolerance, it delivers stable capacitance and low power loss across a wide temperature range (-25℃ to 70℃). Its durable aluminum construction meets OEM standards, ensuring reliable, long-term performance in industrial and residential cooling systems. Comes with a money-back guarantee for total confidence. ## Description SPECIFICATIONS The 55 uF/MFD 370-440V Round Run Capacitor is used for a compressor motor and a fan motor start-up and operation of AC motors with the frequency of 50Hz/60Hz such as Industrial Grade Replacement for Central Air-Conditioners, Heat Pumps, Condenser Fan Motors, and Compressors. It is small in size, lightweight, heat resistant, and anti-explosion. 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.Capacitance: 55ufRated Voltage: AC 370-440VTolerance: 5%Shape: Round RunCapacitor Dimensions: 50mm x 120mmOperating temperature range: -25℃ to 70℃10000AFCNo PCBs Count on our 55 uF/MFD 370-440V Round Run Capacitor Replacement for an unrivaled mix of durability, convenient functionality, and great value for money. Click ‘Add to Cart’ now!If you are unsure our replacement part will fit your appliance model, you can ask us in Customer questions & answers section or contact us by visiting the Blue Stars LLC storefront -- click the "Blue Stars LLC" on a product page to get to the storefront -- then click the "Ask a question" link under Further Information. Select your reason, and then tell us about the question. ## Features - ✅ MODEL NUMBER - 55 uF/MFD 370-440VAC Round Run Start Capacitor - ✅ SPECIFICATIONS - Capacitance: 55 uf; Rated voltage: AC 370-440V; Tolerance: 5%; Shape: Round Run; Capacitor dimensions: 50mm x 120mm; Operating temperature range: -25℃ to 70℃; 10000AFC; No PCBs - ✅ EXACT REPLACEMENT: It is a perfect replacement to solve cooling problems for your air conditioner and gear motor applications. - ✅ 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 - ✅ MONEY-BACK GUARANTEE - For any reason, you're not completely satisfied, you can ask for a replacement or full refund, no questions asked ## Technical Specifications | Specification | Value | |---------------|-------| | Operating voltage | 440 Volts | | Capacitance tolerance | 5 | | Maximum voltage | 440 Volts | | Mounting type | Panel Mount | | Upper temperature rating | 70 Degrees Celsius | | Manufacturer | BlueStars | | Part number | 55uf 370-440VAC | | Item Weight | 259 g | | Product Dimensions | 2.54 x 2.54 x 2.54 cm; 259 g | | Item model number | 55uf 370-440VAC | | Batteries included? | No | | Batteries Required? | No | ## Product Details - **Capacitance:** 55 Microfarad - **Brand:** BlueStars - **Material:** Aluminium - **Shape:** Round - **Maximum storage temperature:** 70 Degrees Celsius ## Images ![55 uF/MFD 370-440VAC Round Run Start Capacitor Replacement Part by Blue Stars - Exact Fit for AC Motor Run or Fan Start and Cool or Heat Pump Air Conditioner - Image 1](https://m.media-amazon.com/images/I/71gNdx7lmBL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/499804805-55-uf-mfd-370-440vac-round-run-start-capacitor-replacement](https://www.desertcart.co.uk/products/499804805-55-uf-mfd-370-440vac-round-run-start-capacitor-replacement) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*