Best Solid State Relays of 2025

The HiLetgo SSR-25DA Relay is a reliable solid state relay designed for efficient control of electrical devices. With an input voltage range of 3-32V DC, it allows you to easily connect various control systems. Its output voltage can handle 24-380V AC, making it suitable for a wide range of applications. The included alloy heat sink helps to dissipate heat effectively, ensuring reliable operation and longevity. You can benefit from the convenience of DC to AC control, which simplifies the process of managing electrical loads in your projects.

The BlueStars SSR Relay is an efficient electronic switching device that allows you to control electrical loads swiftly and without mechanical wear. Its rapid switching capability enhances your automation tasks, making processes like temperature control and CNC machinery operation smoother. With a robust optocoupler and heat-dissipating design, it ensures reliable performance even in harsh environments. Plus, its easy installation means you can integrate it into your setup with minimal hassle, saving you time while ensuring safety and longevity.

The Kyoto Electric DC-to-DC Solid State Relay is designed to operate with control voltage ranging from 3-32VDC. This relay features a single-pole, single-throw (SPST) contact form and measures 1.4"L x 0.3"W x 0.9"H. The relay's solder lead terminal type makes it easy to install and use. This product is a great choice for those in need of a reliable solid state relay for their project.

The TWTADE 2PCS SSR-40 DA Solid State Relay is a powerful relay with an input voltage range of 3-32V DC and output voltage range of 24-380V AC. It has an output current of 40A and a working voltage of 250V, making it suitable for high-power applications. However, due to its current, it requires a large heatsink or fan to operate efficiently. The package includes 2 Solid State Relays with dimensions of 6.2 x 4.5 x 2.3cm.

The CGELE SSR-25DD is a solid state module relay with a switch that produces no spark or noise, has high switching speed, and is anti-corrosive, moisture-proof, anti-vibration, and has a long life. Each package comes with two mini bags of thermal grease that can be applied to the back of the SSR to make temperature dissipate faster. It is made of metal, plastic, and electronic parts and is a must-have component for temperature controllers and other machinery control systems. With a current and frequency of 25A and 50/60Hz, respectively, it is ideal for automatic process control applications. Its total size is approximately 58 x 45 x 32mm/2.3" x 1.8" x 1.26" (lwt) and it weighs 116g. The CGELE SSR-25DD is reliable, has high electromagnetic compatibility, and other characteristics that make it a great choice for your needs.

The CGELE SSR Relay is an efficient solid-state module designed for various automatic process control applications. Each unit comes with two mini bags of thermal grease, ensuring optimal temperature dissipation for improved performance. With a voltage range of 3-32VDC for input and 24-480VAC for output, it is versatile for numerous systems. The relay's compact size of approximately 58 x 45 x 32mm makes it easy to install in tight spaces. Additionally, its features include high reliability and anti-corrosion properties, providing you with a long-lasting solution for temperature controllers and machinery control systems.

The CGELE Solid State Relay (SSR-40AA) is a high-quality solid state module relay designed for automatic process control applications. With a compact size of 58 x 45 x 32mm and a net weight of 116g, this relay is made of durable metal, plastic, and electronic parts. It features a wide input voltage range of 70-250VAC and an output voltage range of 24-480VAC, making it suitable for a variety of applications. The SSR-40AA has a high switching speed and is corrosion-resistant, moisture-proof, and anti-vibration, ensuring long life and high reliability. It also comes with two mini bags of thermal grease, which help dissipate heat faster. Whether you need to control temperature or other machinery systems, the CGELE SSR-40AA is an essential component that offers convenience and reliability.

The BlueStars Solid State Relay is designed for fast and reliable switching of electrical loads without mechanical parts. This means you can turn devices on and off quickly, enhancing safety by isolating the control circuit from high-voltage loads. It's versatile enough for various applications, like temperature control and CNC machinery. The high-performance optocoupler ensures it operates quietly and is resistant to harsh environments. Plus, installation is straightforward, making it easy for you to integrate into your system without hassle.

The Coliao SSR-40DA Relay is a robust solid state relay module designed for controlling temperature with precision. Operating on a DC input of 3-32V, it can handle AC outputs ranging from 24-380V, making it ideal for various applications. Its compact size allows for easy installation in tight spaces. This relay operates silently and without electric sparks, ensuring reliability in environments that may be corrosive, moist, or dusty. With its high switching speed, you can expect efficient performance in automatic control systems, enhancing your overall setup.

BlueStars SSR-25DA Relay is a high-performance electronic switching device suitable for various applications. It offers fast switching without mechanical contact, ensuring durability and safety. Perfect for controlling temperature, CNC machinery, and more, this relay provides high isolation between circuits. Equipped with a heat-dissipating metal back plate and copper terminal lug, it ensures superior conductivity. The SSR-25DA Relay is easy to install, saving you time and effort while seamlessly integrating into your setup.