---
product_id: 451811584
title: "[2025 Upgraded] BlueStars 340-408 uF MFD 110-125VAC ±20% Round Start Capacitor 50/60Hz Replacement - Fit for Single-Phase Electric Motors and Gear Motor Applications - Lifetime Up to 30.000 hrs"
brand: "bluestars"
price: "114.29 DT"
currency: TND
in_stock: true
category: "Blue Stars"
url: https://www.desertcart.tn/products/451811584-2025-upgraded-bluestars-340-408-uf-mfd-110-125vac-20
store_origin: TN
region: Tunisia
---

# 30,000 hrs lifetime durability 340-408 µF high capacitance 110-125 VAC operating voltage [2025 Upgraded] BlueStars 340-408 uF MFD 110-125VAC ±20% Round Start Capacitor 50/60Hz Replacement - Fit for Single-Phase Electric Motors and Gear Motor Applications - Lifetime Up to 30.000 hrs

**Brand:** bluestars
**Price:** 114.29 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Start Strong, Last Long – Power Your Motors Like a Pro!

## Quick Answers

- **What is this?** [2025 Upgraded] BlueStars 340-408 uF MFD 110-125VAC ±20% Round Start Capacitor 50/60Hz Replacement - Fit for Single-Phase Electric Motors and Gear Motor Applications - Lifetime Up to 30.000 hrs by bluestars
- **How much does it cost?** 114.29 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/451811584-2025-upgraded-bluestars-340-408-uf-mfd-110-125vac-20)

## 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:** Engineered for up to 30,000 hours of continuous, stable performance under tough conditions.
- • **OEM-Grade Quality:** Crafted from premium bakelite, meeting strict OEM standards for durability and efficiency.
- • **Voltage Versatility:** Operates seamlessly within 110-125 VAC ±20%, perfect for diverse single-phase motors.
- • **Plug & Play Simplicity:** No rewiring needed—clearly labeled terminals make installation effortless and error-free.
- • **Power-Packed Precision:** Delivers a robust 340-408 µF capacitance for reliable motor starts every time.

## Overview

The 2025 Upgraded BlueStars Round Start Capacitor offers a high capacitance range of 340-408 µF and operates reliably at 110-125 VAC with ±20% tolerance. Designed for single-phase electric and gear motors, it boasts a long lifespan of up to 30,000 hours, premium bakelite construction, and easy installation with labeled terminals. Trusted as a direct replacement for top brands, it ensures stable motor starts and enduring performance, backed by lifetime protection.

## Description

[2025 Upgraded] BlueStars 340-408 uF MFD 110-125VAC ±20% Round Start Capacitor 50/60Hz Replacement - Fit for Single-Phase Electric Motors and Gear Motor Applications - Lifetime Up to 30.000 hrs: desertcart.com: Industrial & Scientific

## Features

- WHAT YOU GET: 340-408 uf/MFD 110-125 VAC Volts Round Start Capacitor 50/60 Hz AC Electric.
- SPECIFICATIONS - Capacitance: 340-408 uf; Rated voltage: AC 110-125V; Tolerance: +/-20%; Shape: Round Motor Start; Capacitor Dimensions: 1.4184 x 3.3884 inch (36 x 86 mm); Operating temperature range: -40℃ to +65℃/ -40℉ to 149℉; No PCBs; Lifetime: Up to 30.000 hours
- REPLACEMENT FOR - Aerovox, Dayton 4X067, MARS 11022, JARD 11922, Global 1022, 092A340B125AD2A, PMJ340, PMJ340A, Vanguard BC-340, Mallory PSU34015 235-9739-02 NTE Electronics MSC125V340, CS340-408x110 - Supco and other Start Capacitors with this uF/Mfd & VAC Rating
- INSTRUCTIONS: No wiring or adapter changes are required. Three terminals on the top are labeled "Herm"/"H" for the compressor motor, "Fan"/"F" for the fan, and "C" for the common line.
- PREMIUM QUALITY - The replacement part is made from durable high-quality bakelite 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09TKVD5R4 |
| Best Sellers Rank | #1,383 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #9 in Industrial Electrical Capacitors |
| Brand | BlueStars |
| Brand Name | BlueStars |
| Capacitance | 40 Microfarad |
| Capacitance Tolerance | 20 |
| Customer Reviews | 4.4 out of 5 stars 52 Reviews |
| Included Components | capacitor |
| Item Dimensions W x H | 1.42"W x 3.39"H |
| Item Shape | Round |
| Manufacturer | BlueStars |
| Material | 340-408 MFD |
| Material Type | 340-408 MFD |
| Maximum Storage Temperature | 65 Degrees Celsius |
| Maximum Voltage | 125 Volts |
| Model | 340-408 uf/MFD 110-125 VAC |
| Mounting Type | Snap-In Mount |
| Operating Voltage | 125 Volts |
| Part Number | 340-408 uf/MFD 110-125 VAC |
| Shape | Round |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 65 Degrees Celsius |

## Product Details

- **Brand:** BlueStars
- **Capacitance:** 40 Microfarad
- **Material:** 340-408 MFD
- **Maximum Storage Temperature:** 65 Degrees Celsius
- **Shape:** Round

## Images

![[2025 Upgraded] BlueStars 340-408 uF MFD 110-125VAC ±20% Round Start Capacitor 50/60Hz Replacement - Fit for Single-Phase Electric Motors and Gear Motor Applications - Lifetime Up to 30.000 hrs - Image 1](https://m.media-amazon.com/images/I/71atq5Cop0L.jpg)
![[2025 Upgraded] BlueStars 340-408 uF MFD 110-125VAC ±20% Round Start Capacitor 50/60Hz Replacement - Fit for Single-Phase Electric Motors and Gear Motor Applications - Lifetime Up to 30.000 hrs - Image 2](https://m.media-amazon.com/images/I/71UHRPWd7PL.jpg)
![[2025 Upgraded] BlueStars 340-408 uF MFD 110-125VAC ±20% Round Start Capacitor 50/60Hz Replacement - Fit for Single-Phase Electric Motors and Gear Motor Applications - Lifetime Up to 30.000 hrs - Image 3](https://m.media-amazon.com/images/I/71dSchhfvVL.jpg)
![[2025 Upgraded] BlueStars 340-408 uF MFD 110-125VAC ±20% Round Start Capacitor 50/60Hz Replacement - Fit for Single-Phase Electric Motors and Gear Motor Applications - Lifetime Up to 30.000 hrs - Image 4](https://m.media-amazon.com/images/I/71LDa4dZNlL.jpg)
![[2025 Upgraded] BlueStars 340-408 uF MFD 110-125VAC ±20% Round Start Capacitor 50/60Hz Replacement - Fit for Single-Phase Electric Motors and Gear Motor Applications - Lifetime Up to 30.000 hrs - Image 5](https://m.media-amazon.com/images/I/8137nPlqXqL.jpg)

## Available Options

This product comes in different **Material Type, Style** options.

## Questions & Answers

**Q: What does "340-408 uF" mean?**
A: "340-408 µF" in a motor run capacitor spec means it has a capacitance range of 340 to 408 microfarads (µF), determining its ability to store electrical energy. This range should match the motor's requirements for optimal operation.

**Q: Can I replace a Motor Start Capacitor with a Motor Run Capacitor?**
A: Start capacitors give a large capacitance value necessary for a motor to start for a very short period of time (usually seconds long). A start capacitor can never be used as a run capacitor because it cannot handle current continuously.

**Q: I've installed the Capacitor, but my machine is still not functioning properly. What's the issue?**
A: There might be several reasons for this such as: Incorrect installation, faulty motor, capacitor compatibility or other electrical issues. If the issue persists, please don't hesitate to reach out. We're here to help.

**Q: Can a motor start capacitor rated 110-125 volts be hooked up to a 220 volt line input? Will it just burn out?**
A: No. The voltage rating of a capacitor indicates the maximum voltage that it can handle safely. If you put a 110-120 capacitor where a 220V is required, it may start the motor a couple of times but will fail very soon.

**Q: Can I repair the faulty Capacitor?**
A: Capacitors are typically not designed for repair and are considered disposable components. We recommend you to replace by a new one.

## Frequently Bought Together

- Upgraded Version 340-408 uf 110-125VAC ±20% Round Start Capacitor 50/60Hz Replacement Part by Blue Stars - Fit for Single-Phase Electric Motors and Gear Motor Applications - Lifetime Up to 30.000 hrs
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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-12*