---
product_id: 514204439
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: "฿3406"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/514204439-45-uf-mfd-370-440vac-round-run-start-capacitor-replacement
store_origin: TH
region: Thailand
---

# 45 uF capacitance for powerful motor start -25℃ to 70℃ wide operating temp range 10,000 AFC anti-explosion safety rating 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:** ฿3406
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your comfort with precision and safety — don’t let your AC miss a beat!

## 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?** ฿3406 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/514204439-45-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

- • **Lifetime Confidence:** Backed by 100% lifetime protection, guaranteeing durability and zero downtime.
- • **Plug & Play Upgrade:** Exact fit replacement with no wiring changes—get your AC or fan running faster and easier.
- • **Safety First, Always:** 10,000 AFC anti-explosion pressure switch engineered for maximum protection and peace of mind.
- • **Precision Power Boost:** 45 uF ±5% capacitance ensures consistent, reliable motor startup every time.
- • **Built to Brave Extremes:** Operates flawlessly from freezing -25℃ to scorching 70℃, perfect for any climate.

## Overview

The Blue Stars 45 uF/MFD 370-440VAC Round Run Start Capacitor is a premium, UL & TÜV certified replacement part designed for AC motors, compressors, and fan starts. With a robust 45 uF capacitance, wide temperature tolerance (-25℃ to 70℃), and a 10,000 AFC anti-explosion rating, it delivers reliable, safe, and efficient motor performance. Its exact-fit design ensures hassle-free installation, backed by lifetime protection for long-term peace of mind.

## 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: 45uf Rated Voltage: AC 370-440V Tolerance: 5% Shape: Round Run Capacitor Dimensions: 50mm x 105mm Operating temperature range: -25℃ to 70℃ 10000AFC No 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

- NOTE: Please check technical specifications of your appliances before purchasing, or you can send us your model number, we will confirm the compatibility
- MODEL NUMBER - 45 uF 45 MFD +5% 370-440VAC 50/60Hz Round Run Start Capacitor Replacement Part
- SPECIFICATIONS - Capacitance: 45 uf; Rated voltage: AC 370-440V; Tolerance: 5%; Shape: Round Run; Capacitor dimensions: 1.79in x 4.14in (50mm x 105mm); Operating temperature range: -25℃ to 70℃; Engineered For Safety 10 000 AFC Anti Explosion Pressure Switch
- PREMIUM QUALITY: Compliant with the TOUGHEST US and Australian Standards for AC motor run capacitors, including UL & CUL, CEL and TÜV SÜD
- SUPER EASY to Replace: Direct replacement, No wiring or adapter changes required. Capacitor has two terminals on the top.
- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Mounting Type | Surface Mount |
| Upper Temperature Rating | 7E+1 Degrees Celsius |
| Product Dimensions | 5W x 10.5H Centimeters |
| Manufacturer | BlueStars |
| Country of Origin | USA |
| Model number | 45uf 370-440VAC |
| Item Weight | 200 g |
| Item model number | 45uf 370-440VAC |
| Included Components | 45 MFD 370-440 VAC CBB65 Capacitor |
| Are batteries included? | No |

## Product Details

- **Capacitance:** 45 Microfarad
- **Brand:** BlueStars
- **Operating Voltage:** 440 Volts
- **Capacitance Tolerance:** 5
- **Maximum 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

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-27*