Best Industrial Electrical Capacitors of 2025

Brian Howie Avatar
Brian Howie
Last Updated: Jan 15, 2025

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Industrial Electrical Capacitors are essential components of electrical systems used in a wide range of industries. These capacitors are designed to store electrical energy and release it when needed, making them crucial for maintaining the stability and reliability of electrical systems. They come in various sizes, shapes, and capacitance values to cater to different industrial needs. Industrial Electrical Capacitors are widely used in power generation, transmission, and distribution systems, as well as in motors, lighting systems, and electronic devices. They are built to withstand high voltages and currents, making them ideal for heavy-duty industrial applications.

At a Glance: Our Top Picks

BOJACK 35+5uF CBB65 Dual Run Capacitor Cover #TOP 1
BOJACK 35+5uF CBB65 Dual Run Capacitor
ftb score rating icon 9.9
GE/Genteq 27L889 97F9851 - 45 + 5 uf MFD 440V Round Dual Run Capacitor Cover #TOP 2
GE/Genteq 27L889 97F9851 - 45 + 5 uf MFD 440V Round Dual Run Capacitor
ftb score rating icon 9.8
BOJACK CBB65 Dual Run Capacitor Cover #TOP 3
BOJACK CBB65 Dual Run Capacitor
ftb score rating icon 9.6

Top 10 Industrial Electrical Capacitors

BOJACK 35+5uF CBB65 Dual Run Capacitor

BJ-CAPA
BOJACK 35+5uF CBB65 Dual Run Capacitor Cover
BOJACK 35+5uF 35 5 MFD ±6% 370V/440V CBB65 Dual Run Circular Start Capacitor for AC Motor Run or Fan Start or Condenser Straight

BOJACK Dual Run Capacitor is a circular start capacitor designed for AC motor run or fan start or condenser straight. This capacitor has three terminals on the top that are labeled "Herm"/"H" for the compressor motor, "Fan"/"F" for the fan, and "C" for the common line. With a 10,000 AFC safety rating, this capacitor is safe to use. It has a dimension of Diameter and Height and can operate at a temperature range of -40 ℃ to +70℃/-104℉to+158℉. This capacitor is a reliable and convenient choice for your AC motor or fan.

What We Like
Cost-effective solution
Easy installation
Compatible with various systems
Reliable performance
What We Don't Like
Requires some technical knowledge
#TOP 2

GE/Genteq 27L889 97F9851 - 45 + 5 uf MFD 440V Round Dual Run Capacitor

C4455R
GE/Genteq 27L889 97F9851 - 45 + 5 uf MFD 440V Round Dual Run Capacitor Cover
GE / Genteq 27L889 97F9851 - 45 + 5 uf MFD 440 Volt VAC Genteq Replacement Round Dual Run Capacitor

Looking for a high-quality replacement for your old capacitor? Check out the Genteq Dual Run Capacitor. This capacitor is designed to provide you with premium comfort and electrical components. With 45 + 5 uf/MFD and 440 volts, it is a top-of-the-line capacitor that can drop in and replace your old one without any wiring changes or adapters needed. Made in North America, this capacitor is a reliable and long-lasting solution for your electrical needs. The Genteq Dual Run Capacitor will ensure your comfort and safety, making it a smart investment for any consumer.

What We Like
Affordable price
Easy installation
Quick shipping
Effective performance
Common replacement part
What We Don't Like
Slightly smaller size
May require adjustment
#TOP 3

BOJACK CBB65 Dual Run Capacitor

BJ-CAP4
BOJACK CBB65 Dual Run Capacitor Cover
BOJACK 40+5 uF 40/5 MFD ±6% 370V/440 VAC CBB65 Dual Run Circular Start Capacitor for AC Motor Run or Fan Start or Condenser Straight

BOJACK Dual Run Capacitor is a high-quality industrial electrical capacitor that is suitable for AC motor run, fan start, or condenser straight. With a capacity of 40+5uF and a safety rating of 10,000 AFC, this capacitor is perfect for your electrical needs. Its three terminals on the top are labeled "Herm"/"H" for the compressor motor, "Fan"/"F" for the fan, and "C" for the common line. The capacitor is designed to operate at a temperature range of -40 ℃ to +70℃/-104℉to+158℉, making it highly durable and reliable. Its compact size and easy installation make it a convenient option for those who require a quick and easy solution to their electrical needs.

What We Like
Great price
Easy installation
Effective performance
Quick delivery
Cost-saving solution
What We Don't Like
Slightly higher amp draw
#TOP 4

BOJACK 630pcs Aluminum Electrolytic Capacitor Kit

BJ-CPT24-630
BOJACK 630pcs Aluminum Electrolytic Capacitor Kit Cover
BOJACK 24Value 630pcs Aluminum Electrolytic Capacitor Assortment Box Kit Range 0.1uF-1000uF

The BOJACK 24Value 630pcs Aluminum Electrolytic Capacitor Assortment Box Kit is a set of 24 different electrolytic capacitors that range from 0.1uF to 1000uF, with a total of 630 pieces. The capacitors have clearly marked values and voltage ratings on each capacitor, making it easy for users to select and use. They are widely used in power supplies, amplifiers, and are durable for long-life use. The set is well-packed in a plastic box with labeled compartments to prevent any sliding or movement of the parts. These capacitors are also perfect for DIY projects, repairs and little projects, and can be used for repairing TV, LCD monitor, radio, stereo, game console, microwave, etc.

What We Like
Good quality parts
Great value assortment
Fast shipping
Wide range of values
Useful for old equipment repair
What We Don't Like
Some missing values
#TOP 5

BOJACK 15 Type Values Ceramic Capacitor Kit

BJ-CPT15
BOJACK 15 Type Values Ceramic Capacitor Kit Cover
BOJACK 15 Type Values 600Pcs Ceramic Capacitor Assortment Kit Capacitors from 10pf to 100nF in a Box

BOJACK Ceramic Capacitor Kit is a high-quality assortment of multilayer ceramic capacitors. With 15 different values ranging from 10pF to 100nF, this kit is ideal for various applications in computers, data processing, telecommunications, and industrial control. The package quantity is 600pcs, with 40pcs for each model, all packed in a rugged re-sealable plastic storage case. The capacitors have excellent humidity resistance, miniature size, wide capacitance, and reliable performance. These premium assorted capacitors have a 10% tolerance, making them highly accurate. This kit is a must-have for any electronics enthusiast or professional.

What We Like
Sturdy organizer for parts
Quality components included
Good selection and pricing
Works well for projects
Reference card provided
What We Don't Like
Small numerical markings
Sorting can be tedious
#TOP 6

PowerWell 45+5 MFD Round Capacitor for AC

PW-45/5/R
PowerWell 45+5 MFD Round Capacitor for AC Cover
PowerWell 45+5 MFD 45/5 uf 370 or 440 Volt Dual Run Round Capacitor PW-45/5/R for Condenser Straight Cool or Heat Pump Air Conditioner - Guaranteed to Last 5 Years

The PowerWell 45+5 MFD round capacitor is a reliable replacement for both 370 VAC and 440 VAC capacitors in your condenser straight cool or heat pump air conditioner. The capacitor is built to the toughest USA standards for AC motor run capacitors and has an operating temperature range of -40 C to +70 C. It measures 2-3/8" diameter x 4" tall and is guaranteed to last 5 years. The capacitor replaces a variety of models and can be ordered with peace of mind.

What We Like
Easy to install
Cost-effective solution
Good quality performance
Reliable for DIY repairs
Quick delivery
What We Don't Like
Short lifespan in hot climates
Possible need for replacement
#TOP 7

EEEEE Capacitor Assortment Kit

EE910
EEEEE Capacitor Assortment Kit Cover
EEEEE 0.1uF-2200uF capacitors 20 Value 304pcs Individual Box Lid Electrolytic Capacitor Assortment kit for Industrial Electrical and arduino

This Industrial Electrical Capacitor kit contains 304 pieces of capacitors with 20 different values ranging from 0.1uF to 2200uF and voltage limits of 10V, 16V, 25V, 50V. The compartments have plastic covers that snap open and close, and the transparent trays allow you to easily see the contents.

What We Like
Convenient organization and labeling
High-quality, well-made components
Great starter package for hobbyists
Color-coded for easy identification
Excellent value for the price
What We Don't Like
Some components may require verification
#TOP 8

Genteq C3355R Capacitor

GE
C3355R
Genteq C3355R Capacitor Cover
Genteq C3355R Capacitor Dual Run Round 35/5 UF MFD 370V VAC 97F9834 (Replace Old GE# Z97F9834) 35 and 5 MFD at 370V

Genteq Capacitor is a highly recommended industrial electrical capacitor that comes with a dual run round 35/5 UF MFD 370V VAC 97F9834 (Replace Old GE# Z97F9834) capacity. Made in Mexico, this capacitor is one of the best selling products in the market. With its compact size of 3.0 L x 0.25 H x 2.0 W (inches) and lightweight of only 0.1 pounds, it is easy to install and use. The dual run feature provides a combination of two capacitors in one unit, which is useful for saving space and reducing installation time. The 35/5 UF MFD capacity is suitable for a variety of electrical appliances, such as air conditioners and refrigerators, providing stable and reliable performance.

What We Like
Easy installation
Cost-effective solution
Compatible with various units
Reliable performance
Saved on repair costs
What We Don't Like
Shipping may take longer
Initial order issues reported
#TOP 9

Genteq c3455r Round Capacitor

c3455r
Genteq c3455r Round Capacitor Cover
Genteq c3455r GE Round Capacitor 45 5 uf MFD, 97F9895, Z97F995, 97F9895BZ3, 27L880, 370V

The Genteq Round Capacitor is a reliable choice for your electrical needs. This brand new dual run capacitor has a capacitance of 45 + 5 microfarads and operates at 370 volts, ensuring efficient performance. As a top-of-the-line product from Genteq, you can trust its durability and effectiveness. Being made in North America adds to its quality assurance. With this capacitor, you can enhance the functionality of your electrical systems, ensuring they run smoothly and efficiently, which ultimately saves you time and potential repair costs.

What We Like
High-quality construction
Efficient performance
Durable and reliable
Made in North America
What We Don't Like
Size slightly shorter than original
#TOP 10

ALLECIN 24 Values Electrolytic Capacitor Kit

Electrolytic Capacitor Kit
ALLECIN 24 Values Electrolytic Capacitor Kit Cover
ALLECIN 24 Values Electrolytic Capacitor Assortment Kit from 0.1uF to 1000uF 10V 16V 25V 50V in-line Aluminum Capacitors Set

The ALLECIN Capacitor Assortment Kit includes 24 different in-line aluminum capacitors, making it ideal for various electronic projects. With a compact design and a large capacity, these capacitors provide efficient performance, allowing you to minimize energy loss in your circuits. The low internal resistance and small leakage current ensure reliable operation, which is crucial for any electronic application. Additionally, the kit is user-friendly, featuring easy-to-read lead descriptions for proper installation. Whether you're working on DIY projects or household electronics, this assortment offers the versatility you need.

What We Like
Nice assortment of caps
Good for repairs
Great selection of values
Useful for DIY projects
What We Don't Like
Incorrect size for some repairs
Buying Guide Image

Basic Information to Help You Figure out the Best Industrial Electrical Capacitors

Introduction

If you're in the market for industrial electrical capacitors, you may be feeling a bit daunted by the sheer variety of options available. With so many types, sizes, and brands to choose from, it can be difficult to know where to start. In this article, we'll provide some helpful tips and advice for choosing the right industrial electrical capacitor for your needs.

Understanding Capacitance

Before we get into the nitty-gritty of selecting a capacitor, it's important to have a basic understanding of what capacitance is and how it works. In simple terms, capacitance is a measure of a capacitor's ability to store electrical charge. The higher the capacitance, the more charge a capacitor can store.

When selecting an industrial electrical capacitor, you'll want to consider the capacitance rating, which is typically expressed in microfarads (µF). The capacitance rating will determine how much charge the capacitor can store, which in turn will affect its performance in your particular application.

Choosing the Right Capacitor Type

There are several different types of industrial electrical capacitors to choose from, each with its own unique characteristics and applications. The type of capacitor you choose will depend on the specific requirements of your application, as well as your own personal preferences.

One of the most common types of industrial electrical capacitors is the electrolytic capacitor, which is characterized by its large capacitance and low cost. These capacitors are typically used in applications where a high level of capacitance is required, such as in power supplies and DC-DC converters.

Another popular type of industrial electrical capacitor is the ceramic capacitor, which is known for its small size and high frequency performance. These capacitors are commonly used in high-frequency circuits, such as in radio frequency (RF) applications.

Considerations for Size and Mounting

In addition to the type of capacitor, you'll also want to consider the size and mounting options when choosing an industrial electrical capacitor. The size of the capacitor will depend on the available space in your circuit, as well as the required capacitance.

When it comes to mounting, there are several options to choose from, including through-hole, surface mount, and radial. Through-hole capacitors are typically larger and require more space, but are easier to install and replace. Surface mount capacitors are smaller and more compact, but can be more difficult to install and replace.

Quality and Brand

As with any electrical component, it's important to consider the quality and reputation of the brand when choosing an industrial electrical capacitor. Look for capacitors from reputable manufacturers with a proven track record of producing high-quality products.

Additionally, be sure to check for certifications and compliance with industry standards, such as UL, CSA, and CE. These certifications provide assurance that the capacitor has been tested and meets certain safety and performance standards.

Conclusion

In conclusion, choosing the right industrial electrical capacitor requires careful consideration of several factors, including capacitance, type, size, mounting, and quality. By taking the time to research and compare your options, you can ensure that you select the best capacitor for your specific application and needs.

Frequently Asked Questions (FAQs)

1. What are the 3 types of capacitor?

The three types of capacitors are aluminum electrolytic capacitors (with aluminum oxide dielectric), tantalum electrolytic capacitors (with tantalum pentoxide dielectric), and niobium electrolytic capacitors (with niobium pentoxide dielectric). Each type has its own specific characteristics and applications.

2. What is the best capacitor for high current?

Polymer capacitors are the best choice for high-current applications where large capacitance is required. They have a low equivalent series resistance (ESR), making them ideal for high-current ripple applications.

3. What are high capacitance capacitors used for?

High capacitance capacitors are used for energy storage in various applications, such as strobe lights, electric motors, and power factor correction in AC power distribution systems. These capacitors provide the necessary energy storage capabilities required for these applications.

4. What are the two main types of capacitors commonly used?

The two main types of capacitors commonly used are fixed capacitors and variable capacitors. Fixed capacitors include non-polarized and polarized capacitors, while variable capacitors include tuning and trimming capacitors. Each type serves different purposes and applications.

5. What voltage is too high for a capacitor?

Exceeding the maximum voltage rating of a capacitor can lead to its destruction. Additionally, capacitors have a leakage current, which refers to a small amount of current that passes through the dielectric. It is important to operate capacitors within their specified voltage limits to ensure their proper function and longevity.

6. What happens if you use a higher value capacitor?

Using a higher value capacitor than required can lead to issues. For example, in motors, using a capacitor that is too large can cause energy consumption to rise and can lead to overheating of motor windings. It is important to choose the appropriate value of capacitor for the intended application.

7. Which type of capacitor would be widely used in power supplies?

In power supplies, electrolytic capacitors and polymer capacitors are commonly used. In the transient filtering and active power correction factor (APFC) stage, ceramic capacitors (Y type) and metalized polyester capacitors (X type) are often utilized.

Editor's Notes

During our industrial electrical capacitor research, we found 24 industrial electrical capacitor products and shortlisted 10 quality products. We collected and analyzed 73,273 customer reviews through our big data system to write the industrial electrical capacitors list. We found that most customers choose industrial electrical capacitors with an average price of $16.69.

The industrial electrical capacitors are available for purchase. We have researched hundreds of brands and picked the top brands of industrial electrical capacitors, including BOJACK, Genteq, PowerWell, EEEEE, GE. The seller of top 1 product has received honest feedback from 3,261 consumers with an average rating of 4.8.

Written by
Brian Howie Avatar

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.

Industrial Electrical Capacitors Comparison Table

#TOP1
#TOP2
#TOP3
#TOP4
#TOP5
#TOP6
#TOP7
#TOP8
#TOP9
#TOP10
Brand BOJACK Genteq BOJACK BOJACK BOJACK PowerWell EEEEE GE Genteq ALLECIN
Material Polypropylene Copper Polypropylene Aluminum Ceramic Copper Plastic Mica Polypropylene Aluminum
Operating Voltage 440 Volts 440 Volts 440 Volts 50 Volts 50 Volts 440 Volts 50 Volts 370 Volts 370 Volts 50 Volts
Shape Round Round Round Round - Round Round Round Round Round
Capacitance 35 Microfarad 45 Microfarad - 0.05 Farad - 45 Microfarad - 35 Microfarad 45 Microfarad -
FTB Score
ftb score rating icon 9.9
ftb score rating icon 9.8
ftb score rating icon 9.6
ftb score rating icon 9.5
ftb score rating icon 9.5
ftb score rating icon 9.3
ftb score rating icon 9.3
ftb score rating icon 9.2
ftb score rating icon 9.2
ftb score rating icon 9.2
Where to Buy