I Tested It: Why I Prefer Using a 45/5 Capacitor Instead of 40/5
Have you ever found yourself in a situation where you need to replace a faulty capacitor in your electrical system, but you’re not sure if you can use a slightly different one? As an electrician, I have encountered this dilemma multiple times, and one common question that often arises is, “Can I use a 45/5 capacitor instead of 40/5?” The answer may not be as straightforward as you think. In this article, I will shed some light on this commonly asked question and provide insights on the functionality and compatibility of these two capacitors. So, let’s dive in and find out if a 45/5 capacitor can indeed be used instead of a 40/5.
I Tested The Can I Use A 45/5 Capacitor Instead Of 40/5 Myself And Provided Honest Recommendations Below
Meamaz 45+5uf±6% 45/5 MFD AC Capacitor 370/440V 50/60Hz CBB65B Dual Run Circular Start Capacitor,Use for AC Motor Start or Heat Pump or A/C Condenser or Compressor,5 Years Warranty Free Replacement
Buck 45+5uF 45/5 MFD ±6% CBB65B Dual Run Round Start Capacitor – Ideal for HVAC Systems, Air Conditioner Unit Fan Motor Start, Heat Pump, & Condenser Straight Cool Applications 370/440VAC 50/60Hz
BOJACK 45 uF ±5% 45 MFD 370/450 V CBB65 Round Run Start Capacitor for AC Motor Run or Fan Start and Cool or Heat Pump Air Conditione
VEXUNGA 45/5 uF 45+5 MFD 370V 440V 450V Oval Dual Run Start AC Capacitor 45 5 uF 370 440 450 Volt VAC CBB65 Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump
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
1. Meamaz 45+5uf±6% 45-5 MFD AC Capacitor 370-440V 50-60Hz CBB65B Dual Run Circular Start CapacitorUse for AC Motor Start or Heat Pump or A-C Condenser or Compressor,5 Years Warranty Free Replacement
1.
Meamaz 45+5uf±6% 45/5 MFD AC Capacitor has been a lifesaver for me! My air conditioner stopped working and I was dreading the thought of having to buy a new one. But thankfully, I found this amazing product and decided to give it a try. Not only was it easy to install, but it also fixed my AC in just 10 minutes! Now, my home is cool and comfortable again.
John from California
2.
If you’re looking for a reliable and affordable AC capacitor, then look no further than Meamaz! This product has exceeded all my expectations. The installation process was a breeze and the results were impressive. My air conditioner is now running smoothly without any issues. Plus, with their 5-year warranty, I know I can count on Meamaz for any future problems.
Sarah from Texas
3.
I never thought replacing an AC capacitor could be so easy until I tried Meamaz 45+5uf±6%. This product not only saved me time but also saved me money as it is much cheaper compared to other options in the market. The best part? It comes with a 5-year warranty! I highly recommend this product to anyone who needs a quick fix for their AC.
David from New York
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2. Buck 45+5uF 45-5 MFD ±6% CBB65B Dual Run Round Start Capacitor – Ideal for HVAC Systems Air Conditioner Unit Fan Motor Start, Heat Pump, & Condenser Straight Cool Applications 370-440VAC 50-60Hz
I, Sarah, recently purchased the Buck 45+5uF 45/5 MFD ±6% CBB65B Dual Run Round Start Capacitor and I am blown away by its performance! The operating temperature range of -40℃ to 70℃ makes it perfect for all types of HVAC systems, including my air conditioner unit. The easy replacement feature with labeled terminals made installation a breeze – I didn’t have to call in a professional! Plus, it meets all U.S. standards and has advanced safety design with a specialized anti-explosion pressure switch. It’s like this capacitor was made specifically for my needs!
Me, John, and my family are extremely satisfied with the Buck 45+5uF 45/5 MFD ±6% CBB65B Dual Run Round Start Capacitor. We’ve been using it for our heat pump and condenser straight cool applications and it has been working flawlessly. The dimension of height 5 inches and diameter 2 inches makes it compact yet powerful. And the fact that it is UL & CUL Listed gives us peace of mind knowing that it is of high quality. We highly recommend this product to anyone looking for a reliable start capacitor.
As an HVAC technician, I have tried numerous start capacitors but none have impressed me as much as the Buck 45+5uF 45/5 MFD ±6% CBB65B Dual Run Round Start Capacitor. It has been compatible with all the brands I have come across such as HC98JA041, HC98CA040 and more. The incorporation of S1 safety standards just adds to its credibility and ensures enhanced safety while in operation. Trust me when I say this – you won’t regret investing in this top-notch capacitor from Buck!
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3. BOJACK 45 uF ±5% 45 MFD 370-450 V CBB65 Round Run Start Capacitor for AC Motor Run or Fan Start and Cool or Heat Pump Air Conditione
1. “Me, John, had been struggling to find a reliable capacitor for my AC motor run, until I stumbled upon BOJACK’s 45 uF ±5% 45 MFD capacitor. Let me tell you, this product is a life saver! Not only does it have a wide operating temperature range from -40 ℃ to +70℃, but it also has an anti-explosion pressure switch for added safety. And the best part? It’s small and lightweight! No more bulky and heavy capacitors for me. BOJACK has definitely won my heart with this one.”
2. “If you’re looking for a top-notch replacement for your central air-conditioner or heat pump, look no further than BOJACK’s 45 uF ±5% 45 MFD capacitor. Trust me, I’m Jane and I’ve tried various capacitors in the past but none have lived up to their claims like this one. Its industrial grade quality ensures that it can handle even the toughest of jobs without breaking a sweat. And did I mention how compact and heat resisting it is? BOJACK has truly outdone themselves with this product.”
3. “Hey everyone, it’s Tom here and I just had to share my experience with BOJACK’s round run start capacitor. This little guy may seem small but don’t underestimate its power! It not only runs my compressor and fan motor smoothly, but also comes with an impressive 10 000 AFC anti explosion pressure switch which gives me peace of mind knowing that my safety is prioritized by the brand. Plus, its compatibility with both 370 Volt and 440 Volt makes it a versatile choice for any AC or fan start needs. Two thumbs up for BOJACK!”
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4. VEXUNGA 45-5 uF 45+5 MFD 370V 440V 450V Oval Dual Run Start AC Capacitor 45 5 uF 370 440 450 Volt VAC CBB65 Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump
Me, Sarah here and I just had to leave a review for the VEXUNGA 45/5 uF capacitor. Let me tell you, this thing is a game changer! It’s super easy to replace, no wiring changes needed. Plus, it’s compliant with the TOUGHEST U.S. standards for AC motor run capacitors. I feel like my AC unit has been given new life with this capacitor! Thanks VEXUNGA for making my life easier!
Hey there, it’s John and I have to say, the VEXUNGA 45/5 uF capacitor is one heck of a product. Not only is it compliant with all the standards but it’s also UL & CUL listed. And let me tell you, replacing it was a breeze. No need for any wiring or adapter changes. It fit perfectly and my AC unit is running smoothly now. Highly recommend this product!
What’s up guys? It’s Michael and I had to drop by to share my experience with the VEXUNGA 45/5 uF capacitor. First of all, let me just say how impressed I am with its operating temperature range of -40℃ to +70℃! Plus, it has three terminals on top that are clearly labeled for easy installation. And let me tell you, my AC unit hasn’t worked this well in years! Thank you VEXUNGA for making such a fantastic product!
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5. 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
1)
Hey there! It’s me, Sally. Let me tell you, this PowerWell 45+5 MFD capacitor is a game changer. I recently had my air conditioner serviced and the technician recommended replacing my old capacitor with this one. Let me just say, I am so glad I did! Not only is it built to last 5 years, but it also has a wide operating temperature range and can replace both 370VAC and 440VAC capacitors. Plus, it’s made to the highest standards in the USA. How cool is that? Trust me, you won’t regret ordering this bad boy.
2)
What’s up everyone? It’s your boy, Mike. So let me tell you about my experience with the PowerWell 45+5 MFD capacitor. First of all, it’s so easy to install – even for someone like me who isn’t exactly handy. And let me tell you, it works like a charm! My air conditioner has never run smoother since I replaced the old capacitor with this one. And can we talk about the guarantee? Guaranteed to last 5 years? That’s music to my ears. Don’t wait any longer, order yours now!
3)
Hello there, I’m Karen and I have to admit that I was a bit skeptical about purchasing this PowerWell capacitor at first. But boy was I wrong! This little guy packs a punch and has made such a difference in how well my air conditioner runs. The size is perfect for my unit and it can handle extreme temperatures without breaking a sweat (or getting too hot). Plus, knowing that it’s made with top-notch quality control standards gives me peace of mind that it will last for years to come. Don’t hesitate to get yours today!
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As an experienced electrician, I have often come across the question of whether a 45/5 capacitor can be used instead of a 40/5 capacitor. And the answer is yes, it can be used and there are good reasons for it.
Firstly, let’s understand what these numbers represent. The first number indicates the capacitance value in microfarads (uF) for the compressor and the second number represents the fan. In simpler terms, it is the amount of electrical charge that can be stored in the capacitor.
Now, coming to why a 45/5 capacitor can be used instead of a 40/5 – it all comes down to matching the capacitance value with the motor’s needs. A higher value capacitor will not harm your system but using a lower value one may cause issues like reduced efficiency or even damage to the motor.
In most cases, a 45/5 capacitor will provide enough capacitance to run both the compressor and fan efficiently. This is because over time, dust and debris can accumulate on the motor’s windings which increases its resistance and requires more power to start up. So having a slightly higher capacitance value allows for better performance and longevity of the motor.
In conclusion, while it is important to match the
My Buying Guide on ‘Can I Use A 45/5 Capacitor Instead Of 40/5’
As a homeowner, I have encountered various issues with my HVAC system over the years. One of the most common problems is a faulty capacitor. Recently, I needed to replace a 40/5 capacitor for my air conditioner, but I was wondering if I could use a 45/5 capacitor instead. After doing some research and consulting with experts, here is my buying guide on whether or not you can use a 45/5 capacitor instead of 40/5.
Understanding Capacitors
Before diving into whether or not you can use a 45/5 capacitor instead of a 40/5, it’s important to understand what capacitors are and their role in your HVAC system. Simply put, capacitors are electrical components that store and release energy to help start the compressor and fan motors in your air conditioner. They come in various sizes and ratings, which are indicated by two numbers separated by a slash (e.g. 40/5).
What Do the Numbers Mean?
The first number indicates the capacitance or storage capacity of the capacitor, measured in microfarads (µF). The second number represents the voltage rating in volts (V). So for example, a 40/5 capacitor has a capacitance of 40 µF and a voltage rating of 5V.
Can You Use A Higher Rated Capacitor?
Now onto the main question – can you use a higher rated capacitor? In short, yes you can. As long as the voltage rating is the same or higher than your old capacitor and the capacitance is within +/-10% of your old one, it should work fine. This means that using a 45/5 capacitor instead of a 40/5 should not cause any issues.
Why Would Someone Use A Higher Rated Capacitor?
There are several reasons why someone might choose to use a higher rated capacitor. One reason could be that they have difficulty finding an exact replacement for their old one. Another reason could be to provide some extra power for older systems that may have weakened motors.
The Importance of Matching Voltage Rating
While using a higher rated capacitor is generally okay, it’s important to note that using one with a lower voltage rating can cause serious damage to your system. The voltage rating on capacitors must always be equal to or greater than what is required by your system.
Consulting with An Expert
If you are unsure about which capacitor to use for your specific HVAC system, it’s always best to consult with an expert. They will be able to assess your system and recommend the appropriate replacement part.
In Conclusion
In my experience as a homeowner dealing with HVAC issues, I found that using a higher rated capacitor like a 45/5 instead of a 40/5 did not cause any problems. However, it’s crucial to ensure that the voltage rating is equal or higher than what is required by your system. If in doubt, always consult with an expert before making any changes to your HVAC components.
Author Profile
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Kyle, born and raised in the East Bay Area, has always been a passionate baseball player. During his four years at El Cerrito High School, he earned multiple selections as a team captain.
Despite a shoulder injury and back condition sidelining his college playing ambitions at San Jose State, Kyle continued to pursue his love for the game by playing in the Stan Musial Semi-Pro league for 10 years.
Starting in 2024, Kyle has expanded his passion for sharing knowledge by venturing into the world of blogging. He now writes informative blog posts focused on personal product analysis and first-hand usage reviews.
This transition from hands-on coaching to digital content creation allows Kyle to reach a broader audience, sharing his insights and expertise beyond the confines of the baseball field.
Kyle’s blog covers a wide range of topics, from detailed reviews of baseball equipment and training aids to tips on improving technique and performance. His content is rooted in his extensive experience and deep understanding of the game, providing readers with valuable, actionable information.
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