Leading 10 Solid State Relay Manufacturers In 2025

The global solid-state relay (SSR) market continues to expand in 2025, driven by advancements in industrial automation and smart technologies. This list highlights the top 10 SSR manufacturers, showcasing their expertise, product offerings, and commitment to innovation in reliable and efficient switching solutions.

Rank	Manufacturer	Company Overview	Product Introduction
1	Shenler	Leading manufacturer with 39+ years of experience, specializing in relays and sockets. Operates a 36,000㎡ facility with 50+ relay series and 2,600 models. Certified by UL, CE, TUV, and ISO9001.	High-performance SSRs featuring optocoupler technology, silent switching, fast response (≤1ms), and long lifespan (100,000+ hours). Used in industrial automation, motor control, and temperature regulation.
2	Sensata Technologies	Global leader in industrial technology, providing mission-critical sensors and electrical protection components for automotive, industrial, and energy sectors.	Offers Crydom SSRs with over 45 years of expertise. Products include AC/DC output relays, panel-mount, DIN rail mount, PCB mount, and plug-in relays. Known for fast switching, silent operation, and resistance to vibration and electrical arcing.
3	Control Components	Wholesale distributor specializing in electrical and safety products for automation. Established in 1985, with expertise in factory automation and safety solutions.	Distributes Carlo Gavazzi RK Series SSRs, featuring dual-pole design, compact housing, and support for up to 600 VAC and 75 AAC per pole. Includes over-voltage protection and long operational lifespan.
4	TE Connectivity	A leader in connectivity and sensing solutions for over 80 years, supporting industrial technology innovation and sustainability.	Provides P&B SSR series with optical isolation (4000V rms), SCR outputs, and LED indicators. Includes “hockey puck” and DIN mount configurations with heatsinks for industrial automation.
5	Omron	Focused on industrial automation with technologies that enhance sustainability and efficiency across various industries.	Offers SSRs such as G3RV-ST (slim, socket-mounted), G3PJ (heater control), and G3RV-SR (durable, PLC-compatible). Used in automotive, EV, food automation, and semiconductor industries.
6	Maxwell	Chinese provider of industrial automation products since 2011, specializing in PID temperature controllers, SSRs, and sensors.	Provides single-phase and three-phase SSRs for AC/DC loads, supporting 10A to 1000A currents. Features zero-crossing trigger and options for both high-performance and cost-effective needs.
7	OMCH	Established in 1986, Zhejiang Hugong Automation specializes in proximity switches and automation products under the “OMCH” brand.	Produces SSRs with fast response times, long lifespans, and excellent durability. Offers models for AC and DC load control in industrial applications.
8	Lorentzzi	A manufacturer known for high-quality solid-state relays tailored for industrial automation.	Provides AC and DC SSRs with silent operation, fast response, and long service life. Used in applications requiring durable and precise switching solutions.
9	Geya	Global electrical equipment company serving railway, mining, oil & gas, and power industries. Maintains a 98.9% customer satisfaction rate.	Offers single-phase and three-phase SSRs under the GSR, VSC, and VTG series, with models featuring radiators for improved thermal management.
10	CNC Electric	Leading Chinese manufacturer of electrical appliances since 1988, operating in over 100 countries with ISO9001 and CE certifications.	Provides SSR models such as SSR-1, SSR-3, and SSR-H, ensuring reliable performance for industrial electrical control systems.

Shenler

Company Overview

Shenler is a leading manufacturer specializing in the research, development, and production of high-quality relays and sockets. With over 39 years of industry experience and a 36,000㎡ production facility, Shenler offers more than 50 relay series and 2,600 models, including PCB relays, industrial relays, time relays, and accessories. Certified by UL, CE, TUV, and ISO9001, Shenler is committed to innovation, reliability, and durability. As a globally active company, it continues to provide advanced solutions that help businesses transform ideas into cutting-edge technologies.

Product Introduction

Category	Details
Technology	Optocoupler technology for electrical isolation
Operation	Contactless semiconductor switching, no arcing or sparking
Lifespan	100,000+ hours
Key Features	Withstands inrush currents up to 10x rated current (10ms duration) – No mechanical wear, anti-welding performance – Silent operation (<0.3mA leakage current) – Instant response time (≤1ms)
Certifications	CE, UL, EAC
Applications	Temperature regulation, industrial furnace control, CNC machinery, solenoid valve actuation, motor control
Product Series	RSC Series (Slim Relay) – RSD Series (AC/DC Solid State Relay) – RSD-1D Series (DC Solid State Relay)
Additional Products	Power Relay, PCB Relay, PLC Relay, Relay Socket, Relay Module, Timer, Protection Modules

This manufacturer specializes in high-performance solid-state relays (SSRs) featuring advanced optocoupler technology for complete electrical isolation. Their SSRs ensure silent, contactless switching with fast response times (≤1ms) and long operational lifespans (100,000+ hours). Designed to withstand high inrush currents and prevent mechanical wear, they are widely used in industrial applications such as temperature regulation, motor control, and solenoid valve actuation. Certified by CE, UL, and EAC, their product line includes ultra-thin, AC/DC, and high-power SSRs for various automation needs.

Sensata Technalogies 

Company Overview

Sensata Technologies is a leading global industrial technology company focused on building a safer, cleaner, and more efficient electrified world. With a diverse range of mission-critical sensors, electrical protection components, and sensor-driven solutions, Sensata supports its customers in meeting complex engineering and operational challenges. The company’s innovative products enable advancements in industries such as automotive, industrial, and energy, contributing to improved safety, performance, and sustainability.

Product Introduction

Sensata Technologies, through its Crydom brand, is a leading manufacturer of solid-state relays (SSRs) with over 45 years of experience in solid-state switching technology. They provide a broad range of SSRs, including AC and DC output relays, designed to handle diverse load types for applications in heating, lighting, motion control, and power regulation.

These solid-state relays are known for their reliability, fast switching speeds, silent operation, and long lifespan, with no moving parts to wear out. Sensata’s products offer a significant advantage over traditional electromechanical relays by providing higher resistance to shock, vibration, and electrical arcing.

The company’s SSR product offerings include panel-mount, DIN rail mount, PCB mount, and plug-in relays, suitable for various industries such as industrial automation, HVAC/R, food equipment, and more. With ratings ranging from a few amps to hundreds of amps, Sensata’s SSRs provide flexible and precise control for demanding applications.

CONTROL COMPONENTS

Company Overview

Control Components is a wholesale distributor specializing in electrical and safety products for manufacturing machinery and automation. Established in 1985, the company has evolved from offering switches and panel products to providing comprehensive machine safety and factory automation solutions. With a continually expanding product portfolio and strong partnerships with major manufacturers, Control Components ensures access to the latest technologies. Known for its dedicated customer service, the company fosters long-term relationships by offering personalized support and expert guidance in automation and safety solutions.

Product Introduction

Control Components, Inc. offers Carlo Gavazzi’s RK Series Solid State Relays, which feature dual-pole relays in a compact housing. The relays support up to 600 VAC, 75 AAC per pole, with independent or simultaneous control options. Designed for space-saving, fast installation, and easy wiring, these relays also provide long operational lifespans and integrated over-voltage protection. The RK Series is certified for 100,000 cycle endurance, making it ideal for applications requiring reliability and durability, such as in food and beverage industries.

TE Connectivity

Company Overview

TE Connectivity has been a leader in connectivity and sensing solutions for over 80 years, working with customers to drive innovation in industrial technology. With a focus on reliability, durability, and sustainability, TE provides engineered solutions that enable seamless connectivity. Its extensive product portfolio helps businesses of all sizes turn ideas into transformative technologies, shaping how the world connects, operates, and evolves.

Product Introduction

Product Series	Description	Current Rating	Voltage Rating	Control Voltage	Features
P&B SSR Series	Standard “hockey puck” package with LED indicator and inverse parallel SCR output.	25A, 50A, 125A	240VAC, 480VAC	4–32VDC	4000V rms optical isolation, floating terminals design.
P&B SSRM Series	DIN rail mount configuration with paired SCR outputs and integrated heatsink.	45A, 65A	240VAC	4–32VDC	Efficient thermal management, reliable performance.

TE Connectivity offers a comprehensive range of solid-state relays (SSRs) designed for ultra-reliable switching of AC, DC, or bi-directional loads. These SSRs utilize the electrical and optical properties of semiconductors to perform switching functions and provide output isolation, resulting in low-noise operation and extended service life. With no moving parts, issues related to contact wear and bounce are eliminated, ensuring dependable performance in various switching applications.

The P&B SSR series features standard “hockey puck” packages with LED indicators and inverse parallel SCR outputs, available in 25, 50, and 125A rms versions for both 240VAC and 480VAC outputs. These relays offer 4000V rms optical isolation and a floating terminal design, enhancing safety and reliability.

For applications requiring DIN mount configurations, the P&B SSRM-Series provides 45-65A solid-state relays with paired SCR outputs and integral heatsinks, ensuring efficient thermal management and reliable performance.

TE’s SSRs are engineered for high switching speeds and prolonged life, making them suitable for industrial applications where silent operation and long electrical life are essential.

Omron

Company Overview

Omron is dedicated to advancing industrial automation with innovative solutions that drive sustainable development. By pioneering new automation strategies, the company aims to create a future where both people and the planet thrive. Omron’s technologies contribute to improved access to quality food, healthcare, and housing, fostering a more efficient and sustainable society.

Product Introduction

Omron offers a comprehensive range of solid-state relays (SSRs) designed to meet various industrial automation needs. Their product lineup includes the G3RV-ST series, which features a slim, socket-mounted design for space-saving installations and enhanced usability. The G3PJ series is tailored for heater control applications, providing reliable performance in temperature regulation. For compatibility with MK electromechanical relays, the G3B/G3BD series offers a similar form factor, facilitating easy integration into existing systems. Additionally, the G3RV-SR series boasts robust construction with large contact areas and non-bendable pins, ensuring durability and quick, faultless connections to programmable logic controllers (PLCs).

These SSRs are engineered for high-speed switching, extended operational life, and resistance to vibration, making them suitable for demanding industrial environments. Applications range from automotive and EV manufacturing to food and beverage automation, electronics manufacturing, life sciences, logistics, and semiconductor production.

Maxwell

Company Overview

Xiamen Maxwell Automation Limited, founded in 2011, is a leading provider of industrial automation products in China. With a focus on quality and affordability, the company offers a wide range of products, including PID temperature controllers, solid state relays, sensors, and more. Over 80% of their revenue comes from overseas markets. They specialize in customized solutions and offer a 12-month warranty on their products.

Product Introduction

Maxwell offers a range of high-quality solid-state relays (SSRs) designed for industrial applications. Their SSR products include single-phase and three-phase models, with options for both AC and DC loads. These relays feature various input and load voltage configurations and are capable of handling current from 10 amps to 1000 amps, with zero-crossing trigger functionality. Maxwell’s relays are ideal for automation, temperature control, and other critical industrial processes. The company provides options that cater to both high-performance and low-cost needs.

OMCH

Company Overview

Zhejiang Hugong Automation Technology Co., Ltd., founded in 1986, specializes in automation products, particularly inductive proximity switches. Known for its “OMCH” brand, the company has grown from a small startup to a prominent supplier in China. With over 150 employees, it offers a wide range of products, including capacitive proximity switches and photoelectric switches, with inductive proximity switches making up 60% of annual sales. The company focuses on innovation, quality, and precision in its operations.

Product Introduction

OMCH offers a variety of high-quality Solid State Relays (SSRs) designed for precise and efficient control of electrical loads. Their SSR products are ideal for industrial applications, featuring fast response times, long operational lifespans, and excellent durability. With a range of models to suit different requirements, OMC ensures reliable performance for controlling AC and DC loads, with various current ratings to meet diverse automation needs.

Lorentzzi

Company Overview

Lorentzzi Electric Co., Ltd., founded in 2021, specializes in the production and supply of industrial control products, including PID temperature controllers, solid-state relays, proximity sensors, rotary encoders, SCR power controllers, and timers. The company focuses on quality, affordability, and long-term customer partnerships. Lorentzzi’s commitment to continuous innovation and professional expertise has established it as a trusted partner for industrial solutions worldwide. The company’s products are designed for applications in manufacturing, automation, and energy efficiency.

Product Introduction

Lorentzzi offers a variety of high-quality solid-state relays, designed for reliable and efficient switching in industrial applications. Their products include both AC and DC solid-state relays, providing optimal solutions for controlling power with fast response times and zero mechanical wear. These relays are used in various industries requiring durable, precise, and silent operations, ensuring high performance and long service life.

Geya

Company Overview

GEYA is a leading global electrical equipment company, offering innovative products and services across industries such as railway, mining, oil & gas, and power generation. Known for its commitment to quality, reliability, and affordability, GEYA maintains a 98.9% customer satisfaction rate. With extensive experience in providing industry-specific solutions, GEYA continues to foster growth in the electrical equipment sector while ensuring sustainable and efficient products for a wide range of applications.

Product Introduction

This company offers a wide range of Solid State Relays (SSRs) for both single-phase and three-phase applications. Their SSRs are available in different series, including GSR, VSC, and VTG, each designed with specific features to suit diverse industrial needs. These relays come in models with and without radiators, providing flexible options for various electrical control applications. For more detailed specifications, visit their website.

CNC ELECTRIC

Company Overview

CNC Electric is a leading Chinese manufacturer specializing in industrial electrical appliances. Established in 1988, it has grown into a large-scale enterprise with operations in over 100 countries. The company offers a wide range of products, including high and low-voltage electrical equipment, instruments, transformers, and explosion-proof appliances. With over 10,000 employees and multiple certifications like ISO9001 and CE, CNC Electric is committed to innovation, quality, and global expansion, providing comprehensive electrical solutions for various industries.

Product Introduction

Model	Description	Applications
SSR-1	Solid State Relay for general control	Suitable for various industries
SSR-3	Robust Solid State Relay for heavy-duty use	Used in industrial control systems
SSR-H	High-performance Solid State Relay	Ideal for high-performance applications

CNC Electric offers a wide range of Solid State Relays (SSRs), including models like the SSR-1, SSR-3, and SSR-H. These relays are designed for reliable performance in various applications, providing efficient control of electrical systems. Their SSRs are ideal for industries requiring durable and high-performance relay solutions. For more details, visit their official website.

Conclusion

The global solid-state relay (SSR) market is witnessing continuous growth, driven by advancements in industrial automation, smart technologies, and increasing demand for reliable switching solutions. The top 10 SSR manufacturers highlighted in this list demonstrate industry leadership through innovation, high-performance products, and a commitment to quality.

References

• Shenler
• Sensata Technologies
• Control Components Inc.
• TE Connectivity
• Omron
• Maxwell
• OMCH
• Lorentzzi
• Geya
• CNCELE

--- END ---