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The 8 Best solid state relays of 2024

Are you trying to find solid state relays among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling solid state relays on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 27 hours of research and did 18 solid state relays tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best solid state relays you can buy today

No. 1
CG Solid State Relay SSR-40DA DC to AC Input 3-32VDC To Output 24-480VAC 40A Single Phase Plastic Cover…
  • ♥【What You Get】Each package With 2 mini bag of thermal grease which apply on the back of the SSR to make the temperature dissipate faster.
  • ♥ Product Name: solid state module relay SSR-40DA, 3-32VDC/24-480VAC ; Current & Frequency:40A,50/60Hz.
  • ♥ Total size (approximate):58 x 45 x 32mm/2.3" x 1.8" x 1.26" (l*w*t); Net weight:116g; Material:metal, plastic, electronic parts.
  • ♥ SSR Application: with a switch no spark, no noise,high switching speed,anti-corrosion,moisture-proof,anti-vibration,long life.high reliability,electromagnetic compatibility and other characteristics.
  • ♥ Solid state relay ideal for automatic process control application, a must component for temperature controller and other machinery control system.
No. 2
CG Solid State Relay SSR-100DD DC to DC Input 3-32VDC To Output 5-240VDC 100A Single Phase Plastic Cover…
  • ♥【What You Get】Each package With 2 mini bag of thermal grease which apply on the back of the SSR to make the temperature dissipate faster.
  • ♥ Product Name: solid state module relay SSR-100DD, 3-32VDC/5-220VDC ; Current & Frequency:100A,50/60Hz.
  • ♥ Total size (approximate):58 x 45 x 32mm/2.3" x 1.8" x 1.26" (l*w*t); Net weight:116g; Material:metal, plastic, electronic parts.
  • ♥ SSR Application: with a switch no spark, no noise,high switching speed,anti-corrosion,moisture-proof,anti-vibration,long life.high reliability,electromagnetic compatibility and other characteristics.
  • ♥ Solid state relay ideal for automatic process control application, a must component for temperature controller and other machinery control system.Note: Motors are capacitive loads and require 10 times the rated current specification. High current motors are not suitable for use with solid state relays.
No. 3
HiLetgo 2pcs SSR-40DA Solid State Relay Single Phase Semi-Conductor Relay Input 3-32V DC Output 24-380V AC
  • SSR-40DA 40A 250V Solid State Relay Alloy Heat Sink
  • Model: SSR-40DA
  • Input voltage: 3-32V DC
  • Output voltage: 24-380V AC
  • Control Method: DC to AC
SaleNo. 4
SSR-40DA Solid State Relay DC to AC (Input 3-32V DC Output 24-380V AC) with Heat Sink, 40A
  • Model: SSR-40DA, single phase Solid State Relay 60A DC to AC control, CE Compliant to EN60950-1
  • Input voltage 3-32V DC, Load voltage 24-380V AC, Max load current 40 Amp
  • Rugged epoxy encapsulation construction, high isolation over than 50MΩ(500VDC), high dielectric over than 2.5KV, output snubber circuit protection
  • No EMI/EFI & Low surge by Zero Cross Trigger method, specially suited to control sensitive, capacitive and Non-saturated inductive loads
  • SSR switches use semiconductor component acts as a switch for the relay, no moving parts inside, no mechanical wear, no action noise, no mechanical failure, and high reliability
No. 5
AITRIP 1PCS 8 Channel 5V Solid State Relay Module Board High Level Trigger Compatible with Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC (1PCS)
  • Solid State Relay Module Board has been assembled, and electrical test passed
  • Led indicator for each relay
  • Size: 155 x 55 x 24 mm (approximately 6.1 x 2.17 x 0.95 inch)
  • Has been assembled, and electrical test passed. Led indicator for each relay. Size: 155 x 55 x 24 mm (approximately 6.1 x 2.17 x 0.95 inch) Input control signal voltage: 0V - 0.5V Low stage (SSR is OFF), 0.5V - 2.5V (unknown state), 2.5V - 20V High state (SSR is ON); SSR Output (each channel);
  • Load voltage range: 75 to 264VAC (50/60Hz); Load current: 0.1 to 2 AMP Standard interface that can be controlled directly by microcontroller (Compatible with Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
No. 6
3pcs SSR-60DA Solid State Relay DC to AC Input 3-32V DC Output 24-380V AC, 60A
  • 【Model】SSR-60DA 60A Solid State Relay Module, for PID thermostat temperature controller
  • 【SSR-60DA Parameter】Solid state module relay SSR-60DA, 3-32VDC/24-380VAC, control mode: DC to AC
  • 【Relay Size】(L*W*H)62×45×24mm/2.48 x 1.73 x 0.94"
  • 【SSR Application】No electric spark, no noise, high switching speed, especially suitable for corrosion, moisture, dust resistant and other harsh environments. Widely used in many automatic control systems
  • 【Package Included】3pcs SSR-60DA solid state relay module
No. 7
BlueStars 2PCS Solid State Relay SSR-25DD DC to DC Input 3-32VDC Output 5-200VDC 25A Single Phase Semi-Conductor Relay Module - Pack of 2 - Control 3-32V DC Load 5-200V DC
  • ✅FAST SWITCHING: Solid State Relay SSR-25DD is an electronic switching device that switches electrical loads on and off without mechanical contact. Solid state relay has no moving parts to wear out and is able to switch both “ON” and “OFF” much faster than mechanical relays. It also offers high isolation between the control circuit and the load circuit, enhancing safety and protecting control circuitry from high-voltage load circuits
  • ✅PERFECT FIT: Solid State Relay SSR SSR-25DD is perfect for a range of applications in household and industrial automation, including temperature control, heating and cooling systems, computer numerical control (CNC) machinery, remote control setups, and more. It fits SSR with the same specification: DC to DC Input 3-32VDC to Output 5-200V 25A, Insulation Resistance: 500M Ohm/500VDC, Ambient Temperature: ~30~+70℃, Off Leakage Current: ≤5mA
  • ✅HIGH-PERFORMANCE OPTOCOUPLER: SSR-25DD Solid State Relay is equipped with a heat-dissipating metal back plate and a copper terminal lug for superior conductivity. BlueStars ensures longevity with a high-quality semiconductor optocoupler, along with spark-proof, noiseless operation via chemical contact-free action and zero cross-trigger control. Especially, this part is suitable for corrosion, moisture, dust resistant and other harsh environments
  • ✅FAIRLY EASY INSTALLATION: Experience hassle-free installation with our user-friendly Solid State Relay SSR-25DD. Save time and effort without compromising on quality - our product is crafted to seamlessly integrate into your setup with minimal fuss
  • ✅𝟏𝟎𝟎% 𝐋𝐈𝐅𝐄𝐓𝐈𝐌𝐄 𝐖𝐀𝐑𝐑𝐀𝐍𝐓𝐘: For any reason, you're not completely satisfied, you can ask for a replacement or full refund, no questions asked. Customer satisfaction is our relentless focus. Whenever problems come up, do not hesitate to let us know! Buy with confidence!
No. 8
BlueStars 2PCS Solid State Relay SSR-25DA DC to AC Input 3-32VDC to Output 24-380VAC 25A Single Phase Semi-Conductor Relay Module - Pack of 2 - Control 3-32V DC Load 24-380V AC
  • ✅FAST SWITCHING: Solid State Relay SSR-25DA is an electronic switching device that switches electrical loads on and off without mechanical contact. Solid state relay has no moving parts to wear out and is able to switch both “ON” and “OFF” much faster than mechanical relays. It also offers high isolation between the control circuit and the load circuit, enhancing safety and protecting control circuitry from high-voltage load circuits
  • ✅PERFECT FIT: Solid State Relay SSR-25DA is perfect for a range of applications in household and industrial automation, including temperature control, heating and cooling systems, computer numerical control (CNC) machinery, remote control setups, and more. It fits SSR with the same specification: DC to AC Input 3-32VDC to Output 24-380VAC 25A, Insulation Resistance: 500M Ohm/500VDC, Ambient Temperature: ~30~+70℃, Off Leakage Current: ≤2mA
  • ✅HIGH-PERFORMANCE OPTOCOUPLER: SSR-25DA Solid State Relay is equipped with a heat-dissipating metal back plate and a copper terminal lug for superior conductivity. BlueStars ensures longevity with a high-quality semiconductor optocoupler, along with spark-proof, noiseless operation via chemical contact-free action and zero cross-trigger control. Especially, this part is suitable for corrosion, moisture, dust resistant and other harsh environments.
  • ✅FAIRLY EASY INSTALLATION: Experience hassle-free installation with our user-friendly Solid State Relay SSR-25DA. Save time and effort without compromising on quality - our product is crafted to seamlessly integrate into your setup with minimal fuss
  • ✅𝟏𝟎𝟎% 𝐋𝐈𝐅𝐄𝐓𝐈𝐌𝐄 𝐖𝐀𝐑𝐑𝐀𝐍𝐓𝐘: For any reason, you're not completely satisfied, you can ask for a replacement or full refund, no questions asked. Customer satisfaction is our relentless focus. Whenever problems come up, do not hesitate to let us know! Buy with confidence!
No. 9
LCLCTC Din Rail Solid State Relay with Heat Sink DC to AC (Input 3-32V DC Output 24-480V AC), 40A,SSR (DC to AC 40A)
  • Solid State Relays come with their own heatsinks, you don't need to buy additional heatsinks
  • This solid state relay has mounting rail clips, suitable for distribution box installation
  • The product width is only 0.964in (2.45cm), which is more suitable for installation in narrow spaces
  • We also have voltage regulating type VD 0-5V, VF 0-10V, LA 4-20mA, it is more accurate to use with thermostat
  • If you will not choose the model, please see the picture
No. 10
Wired DC-DC 10Amp Isolated Solid State Relay Module, SSR in 3-32VDC Out 5-30VDC, for Raspberry-Pi Arduino ESP32 PLC MCU DSP
  • Photocoupler isolation between input control signal and controlled power, isolation surge voltage up to 5000V.
  • Input signal turn-on voltage DC 3 to 32V, turn-off voltage DC 0 to 0.8V. LED indication for relay turn-on.
  • Output voltage range: DC 5 to 30V. Maximum on-state average current 10 Amp. Maximum on-state current 20 Amp (< 2 second). Non repetitive surge peak on-state current: 160 Amp (<400uS). Maximum on-state resistance 8 milliohms(0.008 ohm).
  • This is a simple and practical solid state relay module, which is very convenient to use, for Arduino, Raspberry Pi, ESP32, PLC or other projects. The GPIO of these controllers are directly connected to this relay input to control the 5 to 30V high current DC power.
  • Compact ABS plastic case and wires connect for easy mount. Two screw mounting holes are convenient for you to fix it on the wall or wooden board. Of course, you can also choose not to lock the screw.

How to choose a good solid state relays

Does the idea of finding a fantastic solid state relays make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in solid state relays. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top solid state relays products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top solid state relays on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top solid state relays brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top solid state relays based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the solid state relays were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good solid state relays, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your solid state relays.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting solid state relays for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our solid state relays. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what solid state relays should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on solid state relays.