---
product_id: 763570325
title: "70 uf 370-440VAC Volts ±5% Round Run Capacitor 50/60 Hz AC Electric Replacement Part by Blue Stars"
brand: "bluestars"
price: "AR$122918"
currency: ARS
in_stock: true
reviews_count: 5
category: "Blue Stars"
url: https://www.desertcart.com.ar/products/763570325-70-uf-370-440vac-volts-5-round-run-capacitor-50
store_origin: AR
region: Argentina
---

# 70 µF high capacitance 370-440V rated voltage -25℃ to +70℃ operating temp 70 uf 370-440VAC Volts ±5% Round Run Capacitor 50/60 Hz AC Electric Replacement Part by Blue Stars

**Brand:** bluestars
**Price:** AR$122918
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your motors with precision and safety — don’t let downtime slow you down!

## Quick Answers

- **What is this?** 70 uf 370-440VAC Volts ±5% Round Run Capacitor 50/60 Hz AC Electric Replacement Part by Blue Stars by bluestars
- **How much does it cost?** AR$122918 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/763570325-70-uf-370-440vac-volts-5-round-run-capacitor-50)

## 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

- • **Thermal Resilience:** Operates reliably from -25℃ to +70℃, built to withstand demanding environments.
- • **Safety First Design:** Equipped with 10000 AFC anti-explosion pressure switch for ultimate peace of mind.
- • **Voltage Flexibility:** Wide 370-440VAC range supports diverse AC motor applications seamlessly.
- • **OEM-Grade Durability:** Crafted from premium bakelite, delivering long-lasting, low-loss electrical stability.
- • **Precision Power Boost:** 70 µF capacitance with ±5% tolerance ensures consistent motor startup performance.

## Overview

This 70 µF round run capacitor by Blue Stars is engineered for reliable startup of single-phase AC motors operating at 50/60 Hz. Rated for 370-440VAC with ±5% tolerance, it features a robust temperature range (-25℃ to +70℃) and a 10000 AFC anti-explosion pressure switch for enhanced safety. Made from durable bakelite and meeting OEM standards, it ensures stable capacitance, minimal power loss, and long-term performance—ideal for washers, air conditioners, compressors, pumps, and more.

## Description

SPECIFICATIONS The 70 uf 370-440VAC ±5% Volts Round Motor Start Capacitor 50/60 Hz AC Electric is used in starting fractional horsepower, single-phase electric motors, as well as in gear motor applications. 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: 70 uf Rated Voltage: AC 370-440V Operating temperature range: -25℃ to +70℃/ -13℉ to 158℉ Shape: Round Run Tolerance: +/-5% Capacitor Dimensions: 60mm x 120mm Engineered For Safety 10000 AFC Anti Explosion Pressure Switch No PCBs Replacement for: 70 uf 370-440VAC Volts ±5% Round Run Capacitor is compatible with Start-up of AC Motors with Frequency of 50Hz/60Hz including Washer, Air Conditioners Compressors Pump and Motors. Count on our 70 uf 370-440VAC ±5% Volts Round Run Capacitor 50/60 Hz AC Electric 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.

Review: Worked perfectly
Review: Ingersoll Rand 60 gal. S3 Air Compressor back up and running. I'm happy.

## Features

- WHAT YOU GET: 70 uf 370-440VAC Volts ±5% Round Run Capacitor 50/60 Hz AC Electric
- SPECIFICATIONS - Capacitance: 70 uf; Rated voltage: 370-440V; Tolerance: ±5%; Shape: Round Run; Capacitor dimensions: 60mm x 120mm; Operating temperature range: -25℃ to +70℃/ -13℉ to 158℉; No PCBs. Engineered for safety 10000 AFC anti explosion pressure switch
- REPLACEMENT FOR - 70 uf 370-440VAC Volts ±5% Round Run Capacitor is compatible with Start-up of AC Motors with Frequency of 50Hz/60Hz including Washer, Air Conditioners Compressors Pump and Motors
- 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 | B0CJTZWGGX |
| Capacitance tolerance | 5 |
| Guaranteed software updates until | unknown |
| Item model number | 70 MFD |
| Manufacturer | BlueStars |
| Maximum voltage | 440 Volts |
| Operating voltage | 440 Volts |
| Package Dimensions | 13.69 x 6.5 x 6.4 cm; 322 g |
| Upper temperature rating | 70 Degrees Celsius |

## Product Details

- **Brand:** BlueStars
- **Capacitance:** 70 Microfarad
- **Material:** 70 MFD 370-440VAC
- **Maximum storage temperature:** 70 Degrees Celsius
- **Shape:** Round

## Images

![70 uf 370-440VAC Volts ±5% Round Run Capacitor 50/60 Hz AC Electric Replacement Part by Blue Stars - Image 1](https://m.media-amazon.com/images/I/710hTkTxpCL.jpg)
![70 uf 370-440VAC Volts ±5% Round Run Capacitor 50/60 Hz AC Electric Replacement Part by Blue Stars - Image 2](https://m.media-amazon.com/images/I/71rWWgdqNXL.jpg)
![70 uf 370-440VAC Volts ±5% Round Run Capacitor 50/60 Hz AC Electric Replacement Part by Blue Stars - Image 3](https://m.media-amazon.com/images/I/71Kfozvnm+L.jpg)
![70 uf 370-440VAC Volts ±5% Round Run Capacitor 50/60 Hz AC Electric Replacement Part by Blue Stars - Image 4](https://m.media-amazon.com/images/I/81CFKbLsedL.jpg)
![70 uf 370-440VAC Volts ±5% Round Run Capacitor 50/60 Hz AC Electric Replacement Part by Blue Stars - Image 5](https://m.media-amazon.com/images/I/717EVaIgEwL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by G***N on 21 February 2026*

Worked perfectly

### ⭐⭐⭐⭐⭐ Review
*by F***1 on 2 February 2026*

Ingersoll Rand 60 gal. S3 Air Compressor back up and running. I'm happy.

### ⭐⭐⭐⭐⭐ Review
*by Y***O on 18 May 2024*

My adventure began with the installation of an Ecobee thermostat. While the heater functioned perfectly right away, the air conditioning did not fare as well. The compressor would start, but the fan refused to spin. Stepping outside to investigate the issue, I quickly realized I was out of my depth. Nevertheless, I decided to give it a shot. I noticed a dual capacitor in the unit and ordered a replacement. After installing the new dual capacitor, the fan still didn't budge. Next, I thought the fan motor might be the culprit. I ordered and installed a new motor, but to no avail. Upon closer inspection, I found there was a second capacitor. I ordered this second capacitor and decided to replace the contactor as well. Finally, after wiring the new fan motor and using the two new single-run capacitors, everything sprang to life! My 1983 Rheem 2.5t A/C condenser unit was up and running again. (FYI the house came with it, will replace one day but works just fine!) Here are some key takeaways for fellow DIY enthusiasts: Diagnosing the Issue: If your fan isn't spinning, check both capacitors (if present) and the fan motor. Capacitor Replacement: If you have a dual-run capacitor, consider using two single-run capacitors instead. Ensure the microfarad (uF) ratings match your compressor and fan motor specifications exactly. Wiring: Follow the wiring diagram for your specific unit. If the original diagram doesn't work, consider alternative wiring setups, but ensure all connections are secure and correct. I’m attaching a wiring diagram for anyone with the same unit. Remember, the uF ratings are crucial—make sure they are accurate for your compressor and motor. If you're unsure, a quick Google search with your unit's model information should help. In summary, after several attempts and a lot of trial and error, I’m thrilled to report that my A/C unit is fully operational again. The single-run capacitors made all the difference. I practically rebuilt my A/C, and would have possibly not ordered the fan motor if I would noticed the second capacitor. Happy DIY-ing!

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---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-12*