--- product_id: 499804812 title: "45 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: "FREE" currency: GBP in_stock: false url: https://www.desertcart.co.uk/products/499804812-45-uf-mfd-370-440vac-round-run-start-capacitor-replacement store_origin: GB region: United Kingdom --- # 45uF capacitance power boost 370-440VAC high voltage rating Operates -25℃ to 70℃ heat resistant 45 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:** FREE **Availability:** ❌ Out of Stock ## Summary > ⚡ Power your AC with precision and durability — don’t let your cool down! ## Quick Answers - **What is this?** 45 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?** FREE 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/499804812-45-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 - • **Built to Last:** Durable aluminum casing with 10000AFC surge protection for long-term reliability - • **Safe & Eco-Friendly:** No PCBs included, meeting modern environmental and safety standards - • **High Voltage Endurance:** Rated for 370-440VAC, perfect for demanding AC motors and HVAC systems - • **Wide Temperature Range:** Operates flawlessly from -25℃ to 70℃, ideal for varied climates and industrial use - • **Precision Power Delivery:** 45uF capacitance with ±5% tolerance ensures stable motor start and run performance ## Overview The Blue Stars 45uF 370-440VAC Round Run Start Capacitor is a premium, exact-fit replacement designed for AC motors, compressors, and fan start applications. Engineered with high capacitance stability, a robust aluminum build, and a wide operating temperature range, it guarantees reliable motor performance and longevity while meeting OEM standards and environmental safety. ## Description SPECIFICATIONS The 45 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: 45ufRated Voltage: AC 370-440VTolerance: 5%Shape: Round RunCapacitor Dimensions: 50mm x 105mmOperating temperature range: -25℃ to 70℃10000AFCNo PCBs Count on our 45 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 - 40 uF/MFD 370-440VAC Round Run Start Capacitor - ✅ SPECIFICATIONS - Capacitance: 45 uf; Rated voltage: AC 370-440V; Tolerance: 5%; Shape: Round Run; Capacitor dimensions: 50mm x 105mm; 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 | |---------------|-------| | Capacitance tolerance | 5 | | Manufacturer | BlueStars | | Part number | 45uf 370-440VAC | | Item Weight | 200 g | | Product Dimensions | 2.54 x 2.54 x 2.54 cm; 200 g | | Item model number | 45uf 370-440VAC | | Batteries included? | No | | Batteries Required? | No | ## Product Details - **Capacitance:** 45 Microfarad - **Brand:** BlueStars - **Material:** Aluminium - **Shape:** Round - **Operating voltage:** 440 Volts ## Images ![45 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/71OEPii5FmL.jpg) ![45 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 2](https://m.media-amazon.com/images/I/71NSTbB9TOL.jpg) ![45 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 3](https://m.media-amazon.com/images/I/71CwraTBPtL.jpg) ![45 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 4](https://m.media-amazon.com/images/I/81iO6TZzMPL.jpg) ![45 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 5](https://m.media-amazon.com/images/I/81t2DyUyd-L.jpg) ## Frequently Bought Together - 45 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 - VEXUNGA 7.5uF 370/440VAC 50/60Hz CBB65 CBB65A Oval Run Start Capacitor 7.5 MFD 370V/440V Air Conditioner Capacitors for AC Unit Fan Motor Start or Pool Pump or Air Condenser Straight Cool - BOJACK 1 Poles FLA 40 Amp Coil 24 VAC Air Conditioner Condenser Compressor Contactor AC Definite Purpose Contactor --- ## 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/499804812-45-uf-mfd-370-440vac-round-run-start-capacitor-replacement](https://www.desertcart.co.uk/products/499804812-45-uf-mfd-370-440vac-round-run-start-capacitor-replacement) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-18*