The Global Solid-state Relay Market was valued at USD 1.78 Billion in 2024 and is projected to reach USD 2.83 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 6.8% during the forecast period (2024–2030). This growth is being driven by increasing industrial automation, the global transition to Industry 4.0, and the accelerating adoption of safety-enhanced and compact relay solutions across manufacturing, automotive, and energy sectors.
As industrial facilities worldwide modernize their control systems for improved reliability, efficiency, and digital integration, the focus shifts to the semiconductor manufacturers and component suppliers who are driving innovation in switching technologies. In this blog, we profile the Top 10 Companies in the Solid-state Relay Industry—a mix of electronics giants, automation specialists, and relay innovators shaping the future of industrial control systems.
🔟 1. SIEMENS AG
Headquarters: Munich, Germany
Key Offering: SIGRAS SIRIUS, 3TF, and 3TX Solid-state Relays
Siemens is a global industrial automation leader, offering a comprehensive portfolio of solid-state relays designed for high-performance applications. Their relays feature advanced thermal management, integrated diagnostics, and robust switching capabilities for industrial machinery and process control systems.
Product Innovation Initiatives:
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Development of compact, high-density relay modules
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Integration with Siemens TIA (Totally Integrated Automation) portfolio
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Focus on Industry 4.0 connectivity and IIoT integration
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9️⃣ 2. Panasonic Corporation
Headquarters: Osaka, Japan
Key Offering: PhotoMOS Relays, AQ-V Series, Automotive Grade SSR
Panasonic manufactures one of the industry’s broadest ranges of solid-state relays, including the renowned PhotoMOS series. Their products serve applications ranging from industrial equipment and building automation to automotive and medical devices.
Product Innovation Initiatives:
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Expansion of automotive-qualified SSR portfolio
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High-speed switching solutions for semiconductor manufacturing equipment
8️⃣ 3. Omron Corporation
Headquarters: Kyoto, Japan
Key Offering: G3NA, G3PE, G3PJ Series Solid-state Relays
Omron specializes in high-reliability solid-state relays for harsh industrial environments. The company’s G3 series offers reliable performance in temperature control, motor control, and power supply applications.
Product Innovation Initiatives:
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Development of energy-efficient relay solutions
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Focus on compact designs for space-constrained installations
7️⃣ 4. TE Connectivity
Headquarters: Schaffhausen, Switzerland
Key Offering: 235 Series, 6 Series, KILOVAC High-voltage SSR
TE Connectivity provides highly engineered solid-state relays for critical applications in aerospace, defense, and industrial automation sectors requiring long service life and minimal maintenance.
Product Innovation Initiatives:
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Expansion of high-voltage relay capabilities up to 10kV
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Innovations in relay packaging for improved thermal performance
Download FREE Sample Report: Solid-state Relay Market – View in Detailed Research Report
6️⃣ 5. Schneider Electric
Headquarters: Rueil-Malmaison, France
Key Offering: Zelio, Harmony SSR, TeSys series
Schneider Electric offers solid-state relays integrated within their comprehensive energy management and automation solutions, serving industries from manufacturing to infrastructure.
Product Innovation Initiatives:
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Development of smart relays with communication capabilities
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Focus on eco-design principles for sustainable product development
5️⃣ 6. Crydom (Sensata Technologies)
Headquarters: Attleboro, Massachusetts, USA
Key Offering: CKM Series, D1D Series, R&D series SSR
As a Sensata Technologies brand, Crydom has been a pioneer in solid-state relay technology since 1970. The company specializes in AC and DC output SSRs with advanced features like zero-cross switching and overload protection.
Product Innovation Initiatives:
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Innovation in high-current and three-phase relay solutions
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Focus on ruggedized designs for extreme operating conditions
4️⃣ 7. Fujitsu Component Limited
Headquarters: Tokyo, Japan
Key Offering: FTR Series, FTR-K1, Automotive Relays
Fujitsu offers reliable solid-state relays featuring compact design and high isolation voltage. Their products are widely used in factory automation, industrial machinery, and building management systems.
Product Innovation Initiatives:
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Development of ultra-miniature SSRs for space-constrained applications.
Product Innovation Initiatives:
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Expansion of low-signal relay portfolio
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Focus on enhancing relay longevity and reliability
3️⃣ 8. Sharp Corporation
Headquarters: Sakai, Japan
Key Offering: S Series, SD Series, Photo-coupler RelaysSharp manufactures optocoupler-based solid-state relays that provide excellent noise immunity and high-speed switching performance for industrial control applications.
Product Innovation Initiatives:
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Innovation in hybrid relay technology
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Focus on cost-effective solutions for volume applications
2️⃣ 9. Carlo Gavazzi Holding AG
Headquarters: Steinhausen, Switzerland
Key Offering: RSE, RSS, RSH, RA series SSRsCarlo Gavazzi specializes in advanced solid-state relays for industrial automation, process control, and HVAC applications worldwide.
Product Innovation Initiatives:
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Development of application-specific relay solutions
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Focus on expanding three-phase relay capabilities
1️⃣ 10. Rockwell Automation
Headquarters: Milwaukee, Wisconsin, USA
Key Offering: Allen-Bradley Bulletin 700, ArmorBlock I/O modulesRockwell Automation provides solid-state relays integrated within their comprehensive automation architecture. Their solutions deliver reliable performance in motor control, power distribution, and machine safety applications.
Product Innovation Initiatives:
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Integration with Rockwell’s Integrated Architecture system
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Focus on cybersecurity-enhanced industrial components
🔬 Outlook: The Future of Solid-state Relay Technology Is Smarter and More Integrated
The solid-state relay market is undergoing a significant transformation as industries worldwide embrace digitalization and energy efficiency. While traditional electromechanical relays still hold certain applications, the industry is rapidly adopting smart relay solutions with enhanced diagnostics, communication capabilities, and thermal management.
📈 Key Trends Shaping the Market:
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Rapid adoption of IIoT-enabled relays with predictive maintenance features
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Increasing demand for compact and modular relay designs
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Integration of advanced safety features and fault detection capabilities
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Growing emphasis on energy-efficient industrial automation solutions
The companies listed above are not only powering industrial automation—they’re driving the digital transformation of manufacturing and process industries globally. These industry leaders are developing next-generation solid-state relays that offer superior performance, enhanced reliability, and advanced connectivity options, making them essential components in the global transition to Industry 4.0 and smart manufacturing ecosystems.
Get Full Report Here: Solid-state Relay Market – View in Detailed Research Report
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