Created by: Glen Zhu | Updated Date: May 4th, 2025
The Surge Protection Device (SPD) is a component of the electrical installation protection system. This device is connected in parallel on the power supply circuit of the loads that it has to protect.
On this page, we share leading surge protection device manufacturers for you. If you want to buy SPD, we recommend that you examine the products of these global brands.
No. | Surge Protection Device Manufacturers |
1 | Dehn |
2 | Phoenix Contact |
3 | OBO |
4 | Raycap |
5 | Citel |
6 | Saltek |
7 | Hakel |
8 | Cirprotec |
9 | ABB |
10 | Schneider |
11 | Weidmüller |
12 | LSP |
13 | Leutron |
14 | Zotup |
15 | Transtector |
16 | OTOWA |
17 | Clamper |
Country of origin: Germany
Headquarters: Neumarkt in der Oberpfalz, Bavaria, Germany
Founded: January 21, 1910, by Hans Dehn
Current CEO: Helmut Pusch (representing the fourth generation of the family-owned business)
Employee: Over 2,500 employees worldwide (as of fiscal year 2023/2024). DEHN operates in more than 70 countries through subsidiaries and partners.
Development History:
DEHN was founded in 1910 as a small family business, initially focusing on electrical engineering and lightning protection equipment. As Germany industrialized, DEHN became a pioneer in lightning protection in the early 20th century.
By the mid-20th century, the company expanded internationally, developing surge protection devices (SPDs) for low-voltage systems.
By the late 20th century, DEHN had established itself as a global leader in lightning and surge protection, holding over 1,100 patents.
In 2010, the company celebrated its 100th anniversary and further expanded into renewable energy sectors like photovoltaics and wind power. In the 2023/2024 fiscal year, DEHN reported annual revenue of approximately €470 million with over 2,500 employees worldwide.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Surge Protection Devices (SPDs): Including Type 1, Type 2, and Type 3 arresters.
Lightning Protection Systems: External lightning protection and earthing systems.
Safety Equipment: Personal protective equipment and safety devices.
Customized Solutions: For photovoltaic systems, wind energy, electric vehicle charging, data centers, and industrial automation
Website: www.dehn-international.com
YouTube: https://www.youtube.com/@DEHN-International
Country of origin: Germany
Headquarters: Blomberg, North Rhine-Westphalia, Germany
Founded: 1923, by Hugo Knümann
Current CEO: Dirk Görlitzer (Dirk Görlitzer has been the CEO of Phoenix Contact since January 2025, succeeding Frank Stührenberg.)
Employee: Approximately 21,000 employees globally (as of 2024)
Annual Revenue: Approximately €3.4 billion (October 2024 data)
Development History:
Phoenix Contact was founded in 1923 in Essen, Germany, by Hugo Knümann, initially focusing on the sale of electrical connection technology. In 1943, the company relocated to Blomberg due to air raids in Essen during World War II.
After Hugo Knümann’s death in 1953, Josef Eisert and Ursula Lampmann took over, and through a merger, the sister company Phoenix Feinbau was created, marking the foundation of the future Phoenix Contact Group. In 1981, the company rebranded to Phoenix Contact, reflecting the increasing integration of electronics in its products, and established its first foreign subsidiary in Switzerland, followed by expansions into the USA and Sweden.
In 1987, it launched the INTERBUS fieldbus system, advancing cross-system openness in automation. In 1993, a subsidiary was established in Nanjing, China. In 1996, Phoenix Contact Electronics was founded in Bad Pyrmont, Germany, specializing in electronic module production. Further expansions in Blomberg occurred in 2005 and 2007, including the Innovation Center Electronics building.
By 2022, Phoenix Contact had become a global leader in electrical engineering and automation, with annual revenue of €3.6 billion, over 22,000 employees, and operations in more than 100 countries.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Industrial connection technology (terminals, connectors), Industrial automation products (PLCs, I/O systems, industrial Ethernet switches), Surge Protection Devices (SPD), Electric vehicle charging solutions, Remote I/O systems, Power supply units, Industrial wireless communication devices, Marking and labeling systems
Website: www.phoenixcontact.com
YouTube: https://www.youtube.com/@phoenixcontact1923
Country of origin: Germany
Headquarters: Menden, Sauerland, Germany
Founded: 1911, by Franz Bettermann and Ernst Bettermann
Current CEO: Ulrich Bettermann (part of the third generation of the family, is the current CEO of OBO Bettermann)
Development History:
Founded in 1911, OBO BETTERMANN is a family-owned company with over 100 years of history, specializing in electrical installation and lightning protection systems. With the motto “Think connected,” OBO provides innovative electrical connection and fastening systems for industrial installations, building installations, and safety protection. The company continuously innovates, offering cable support systems, surge and lightning protection, fire protection systems, cable routing systems, device systems, and underfloor systems, serving over 60 countries worldwide. OBO emphasizes customer needs and human connections to remain flexible in changing markets.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Electrical connection and fastening systems, Cable support systems, Surge and lightning protection systems, Fire protection systems, Cable routing systems, Device mounting systems, Underfloor systems
Website: https://www.obo-bettermann.com and www.obo.global
YouTube: https://www.youtube.com/@OBOBettermannGroup
Country of origin: Greece & Slovenia
Headquarters: Athens, Greece & Ljubljana, Slovenia
Founded: 1987, by Kostas Apostolidis
Current CEO: Dr. Kostas Samaras
Development History:
RAYCAP was founded in 1987, initially focusing on surge protection solutions for telecommunications and industrial sectors. The company grew rapidly through advanced engineering and product design, establishing a global organization across Europe and North America. In the 1990s, RAYCAP expanded its product lines to include lightning protection and telecom concealment solutions.
In 2015, RAYCAP acquired Iskra Zascite, further expanding its surge protection technology and global market presence. In recent years, RAYCAP introduced the Strikesorb® series surge protectors and RaycapSTAX™ stackable modules, catering to telecommunications and renewable energy needs.
By 2024, the company participated in international events like Light + Building 2024 and Breko Fiberdays 24, showcasing innovations in photovoltaics, battery storage, and EV charging infrastructure. RAYCAP now operates multiple production and R&D facilities worldwide, including in Post Falls, Idaho, USA; Drama, Greece; and Bucharest, Romania.
Founded in 1946, Iskra is a leading Slovenian manufacturer of electrical equipment specializing in surge protection, smart metering, energy management, and industrial automation. The company has strong R&D and manufacturing capabilities, serving energy, industrial, and infrastructure sectors. In 2023, Iskra was acquired by Raycap, becoming a subsidiary and expanding its global reach.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Industrial Surge Protection Devices (SPD), Telecom connectivity cabinets and custom enclosures, Power management and distribution equipment, Wireless and wireline connectivity solutions, Small cell site concealment solutions
Website: www.raycap.com
YouTube: https://www.youtube.com/@Stealthconcealmentsolutions
Country of origin: France
Headquarters: Paris, France
Founded: 1937
Development History:
CITEL was founded in 1937, initially manufacturing tubular light bulbs. In 1944, CITEL produced its first surge arrester, marking its entry into electrical protection. In 1976, the company was acquired by the current management, discontinuing light bulb production to focus on surge protection technology. In 1985, CITEL America was established in Miami, USA. In 1988, CITEL Electronics GmbH was founded in Düsseldorf, Germany. In 1992, CITEL acquired the CLAUDE gas discharge tube line from GTE Sylvania in France, along with OBSTA. In 1996, Shanghai CITEL Electronics Co., Ltd. was established in China.
In 2000, CITEL introduced new technology for AC surge protectors (VG series). In 2005, it formed a joint venture with Tong Da, named CITEL Tong Da, to produce coaxial surge protectors. In 2010, CITEL Russia was founded in Moscow. In 2012, CITEL India was established in New Delhi. By 2025, CITEL has become a global leader in the surge protection market, with products covering AC power, DC power, data lines, and RF coaxial applications, manufacturing facilities in France and China, and sales offices in France, Germany, USA, China, and Eastern Europe.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
AC Power Surge Protection, Data Power Surge Protection, Surge Protection for LED Lighting Systems, PV Surge Protection, Gas Discharge Tubes
Website: www.citel.fr
YouTube: https://www.youtube.com/@CITELSurgeProtectors
Country of origin: Czech Republic
Headquarters: Ústí nad Labem, Ustecky Region, Czech Republic
Founded: March 28, 1995, by Mr. Jaromír Suchý
Development History:
Founded in 1995 by Jaromír Suchý, focusing on the development and production of surge protective devices.
Evolved from producing the first BFG surge protector to offering over 600 types of surge protection products for low-voltage networks, photovoltaic systems, IT, measurement and control, and telecommunications.
In the 2000s, established long-term production and development partnerships with Schneider Electric and ABB, introducing innovative products like Type 1+2 surge protectors and Type 3 surge protectors integrated into sockets.
In 2014, received the Red Dot Design Award for its unique color-coded surge protection device design.
In 2024, launched a patented VLD-F solution for railway infrastructure protection and introduced the FLP-ZP-7.5/12.5 surge protector for the German market.
Grew from a small team to over 200 employees, expanding production facilities from a garage to a modern 6,000 m² facility.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Type 1, Type 2, and Type 3 lightning and surge arresters (compliant with EN 61643-11).
Surge protection devices for photovoltaic systems, LED lighting, data and signal lines, and telecommunication lines. Voltage limiting devices (VLD-F) for rail transport. FLP MAXI series and SLP series (surge protectors with removable modules).
Website: www.saltek.eu
YouTube: https://www.youtube.com/@salteksro
Country of origin: Czech Republic
Headquarters: Ústí nad Labem, Ustecky Region, Czech Republic
Founded: 1994 by Ing. Jaroslav Hudec
Current CEO: Bc. Pavel Hudec (son of the founder)
Development History:
HAKEL was founded by Ing. Jaroslav Hudec, PhD, in 1994 in Hradec Králové. The company name is an abbreviation of “Hradec Kralove Elektro.” Since its inception, HAKEL has specialized in manufacturing surge arresters and insulation monitors. Their products serve residential, industrial (oil pipelines, gas pipelines, photovoltaics, power plants, railways), and specialized applications.
HAKEL also develops insulation monitoring devices for isolated IT networks, used in hospitals and industrial settings to protect equipment and human lives. After the founder’s passing in 2014, his son Pavel Hudec took over leadership. The company emphasizes customer cooperation, technical support, and training, holds ISO 9001 certification, and actively promotes exports worldwide.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Surge Protection Devices (SPDs): AC and DC surge protectors, Lightning arresters (Type 1), Surge arresters (Type 1+2+3), Terminal equipment protection (Type 3), Surge arresters with EMI/RFI filters; Insulation Monitoring Devices: Designed for AC/DC systems, including applications in hospitals, industrial settings, and railway infrastructure; Software Tools: HAKELSOFT suite for risk calculation and system design.
Website: www.hakel.com
YouTube: https://www.youtube.com/@HAKELltd
Country of origin: Spain
Headquarters: Terrassa, Spain
Founded: 1993, by Carles Pons
Development History:
Founded in 1993, CIRPROTEC specializes in designing and manufacturing lightning and surge protection devices. Since joining the French Mersen Group in 2014, CIRPROTEC has expanded its R&D and manufacturing capabilities. With over 30 years of experience, its products serve photovoltaic, e-mobility, smart buildings, and other sectors. CIRPROTEC owns advanced laboratories and patented technologies such as V-CHECK®, G-CHECK®, and Safeground®. The Nimbus® early streamer emission lightning rods are globally recognized. The company actively contributes to international standards and emphasizes sustainability through green energy and eco-design. CIRPROTEC products are sold in over 60 countries.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Surge Protection Devices, Lightning Rod, DIN Style and High-Capacity Surge Diverters
Website: www.cirprotec.com
YouTube: https://www.youtube.com/@CirprotecSL
ABB began producing surge protective devices in the early 1990s, responding to the growing demand for surge protection in industrial automation, power systems, and building electrical installations.
Overview:
The OVR series is ABB’s flagship SPD line, widely used across various environments.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, ABB’s most popular SPDs fall under several product families, each tailored to different applications:
1) OVR Series (Main SPD Line)
• OVR T1 Series
• OVR T2 Series
• OVR T1-T2 Combination Series
2) OVR PV Series
3). OVR Data / Signal Series
Popular Model Examples
Model | Type | Max Discharge Current | Nominal Voltage | Key Features |
OVR T2 40-275s P | Type 2 | 40kA (8/20μs) | 275V AC | Modular, remote signaling |
OVR T1-T2 12.5-275 P TS | Type 1+2 | 12.5kA (10/350μs) | 275V AC | High energy protection for main boards |
OVR PV 1000 P TS | PV SPD | 40kA (8/20μs) | 1000V DC | For DC photovoltaic systems |
Website: www.abb.com
YouTube: https://www.youtube.com/@ABBElectrification
Schneider Electric began producing surge protective devices (SPDs) in the late 1980s to early 1990s, in response to the growing demand for protection of electrical and electronic systems due to increased automation and digitization.
Overview:
Popular Schneider SPD Series
As a professional Surge Protection Device Manufacturer, Schneider Electric offers several well-known and widely used SPD product lines:
1) Acti9 iPRD Series (Flagship SPD Line)
Popular Models:
Model | Type | Voltage | Max Discharge Current | Key Features |
iPRD40r | Type 2 | 230/400V AC | 40kA (8/20μs) | Modular, with remote signaling |
iPRD65r | Type 2 | 230/400V AC | 65kA | Higher surge capacity |
iPRD1 12.5r | Type 1 | 230/400V AC | 12.5kA (10/350μs) | Lightning protection for main panels |
iPRD1+iPRD40r | Type 1+2 | 230/400V AC | Combination | Space-saving and comprehensive protection |
2) PRD1 / PRD1r / PRD1r Twin Series
Popular Models:
Model | Type | Max Current | Key Features |
PRD1 12.5r | Type 1 | 12.5kA (10/350μs) | Main distribution board protection |
PRD1r Twin | T1+T2 | High capacity | Industrial-grade combined protection |
3) A9 Series (e.g., A9L, A9V, A9S)
4) STV, SE, EZ Series
Website: www.se.com
YouTube: https://www.youtube.com/@schneiderelectric
Country of origin: Germany
Headquarters: Detmold, North Rhine-Westphalia, Germany
Founded: 1850
Current CEO: Dr. Sebastian Durst (appointed October 1, 2024)
Development History:
Founded in 1850, Weidmüller began as a textile company before transitioning to electrical engineering, focusing on terminal blocks and connectors.
In the early 20th century, pioneered terminal block technology, establishing itself as a leader in industrial connectivity.
1994, established a presence in China, starting with sales and later expanding to production.
2003, acquired Klippon Engineering, enhancing expertise in process industries.
2010s, embraced digitalization, launching solutions for Industrial IoT and automation, including the u-OS operating system.
2019, opened a new 14,000 m² production facility in Suzhou, China, to support growth in Asia.
2022, surpassed €1 billion in sales for the first time, reflecting strong global demand.
2023, achieved €1.102 billion in sales and received the German Design Award for products like PV Next and the corporate film “From Detmold with Love.”
2024, Dr. Sebastian Durst appointed as CEO, and the Joachim Herz Foundation acquired a 20% stake to support long-term growth.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Industrial connectors, Terminal blocks, Industrial automation and control systems (e.g., u-control, u-OS), Power and signal protection devices, Industrial IoT solutions, Cabinet wiring and marking systems
Website: www.weidmuller.com
YouTube: https://www.youtube.com/@WeidmuellerGlobal
Wenzhou Arrester Electric Co., Ltd. (brand name: LSP) is a leading Chinese manufacturer specializing in surge protection solutions and low-voltage electrical components. With over 15 years of industry experience, the company has built a solid reputation for reliability, technical innovation, and international market reach.
Country of origin: China
Headquarters: Wenzhou, China
Founded: 2010
Current CEO: Glen Zhu
Development History:
Founded: In the early 2010s
Location: Wenzhou, Zhejiang Province known as China’s electrical equipment manufacturing hub
Initial Focus: Low-voltage surge protective devices (SPDs) for residential and commercial applications
Growth Milestones:
2012-2015: Rapid growth in domestic market; obtained key certifications (CE, TUV, RoHS, etc.)
2016-2018: Expansion into international markets across Europe, Southeast Asia, and South America
2019-2023: Introduced signal line SPDs, photovoltaic (PV) SPDs, and custom OEM/ODM services
2024 onwards: Strategic brand upgrade – launched new LSP logo and expanded into broader low-voltage product lines
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
1) Surge Protective Devices (SPDs)
Type | Application |
Lightning current protection (main panels) | |
Surge protection in sub-distribution panels | |
Fine protection at terminal equipment | |
Comprehensive protection in lightning zones | |
PV solar systems (DC side) | |
Data/communication lines (RJ45, RS485, etc.) |
2) Photovoltaic Protection Devices
Website: https://lsp.global
YouTube: https://www.youtube.com/@lsp.global
Country of origin: Germany
Headquarters: Leinfelden-Echterdingen, Baden-Württemberg，Germany
Founded: 1941 (originated as Siemens CERBERUS lightning protection division)
Development History:
LEUTRON has over 60 years of experience in the development and manufacturing of lightning and surge protection components. Originally part of Siemens CERBERUS group’s lightning protection R&D and manufacturing department, it became independent in 1999. LEUTRON continues to develop advanced technologies such as hermetically sealed gas discharge tubes and metal-ceramic spark gaps. The company employs sophisticated manufacturing processes including high-temperature soldering and vacuum technology to ensure product safety and durability. LEUTRON remains a strategic partner of Siemens in lightning protection and serves industries such as industrial, transportation, and energy sectors.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Surge Protective Devices (SPDs): Including Type 1, Type 2, and Type 3 surge protectors for low-voltage distribution, industrial, and residential applications.
Data Line Protection: DataPro series for Ethernet, RS-485, and telecommunication line surge protection.
Photovoltaic System Protection: Dedicated DC and AC protection devices for solar power systems.
Railway Protection Devices: Surge protectors for signaling systems and power networks.
Specialized Products: Protection devices for explosive environments and 5G base stations.
Website: www.leutron.de
Country of origin: Italy
Headquarters: Bergamo, Lombardy, Italy
Founded: 1986
Development History:
Founded in 1986, ZOTUP specializes in the design and manufacture of surge protective devices (SPDs), proudly Made in Italy, focusing on high quality and efficient service. The company is led by a father-son team combining tradition and innovation. Since obtaining its first patent in 2016, ZOTUP has developed innovative products including SPDs with integrated fuses, state indicators, and progressive degradation indicators. The company has actively expanded internationally, entering the Turkish and Indian markets in 2017, the UAE market in 2022, and diversifying further in 2023. ZOTUP emphasizes R&D with a highly qualified technical team; all products are tested by independent international laboratories to ensure safety and performance. A new modern strategic facility is planned to open in 2025 to foster innovation and collaboration.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Surge protection devices for low-voltage power systems, signal lines, data and communication lines/ PV Surge protection device
Website: www.zotup.com
YouTube: https://www.youtube.com/@ZOTUPSrl
Country of origin: USA
Headquarters: Hayden, Idaho, USA
Founded: 1967
Development History:
Founded in 1967 as Transistor Electronics Corporation, Transtector initially focused on developing surge protection solutions for telecommunications and power systems.
In the 1970s, pioneered early transient voltage suppression technologies, establishing a reputation for reliable surge protection devices.
1980s, expanded into industrial and military applications, introducing ruggedized surge protectors for harsh environments.
2000s, acquired by Smiths Interconnect (a division of Smiths Group), enhancing its global reach and product development capabilities.
2012, became part of Infinite Electronics, a portfolio company focused on RF, microwave, and connectivity solutions, boosting its innovation in IoT and 5G applications.
2018, launched the IOT Series of surge protectors tailored for smart grid and IoT infrastructure.
2023, introduced advanced EMP (electromagnetic pulse) protection solutions for critical infrastructure, aligning with growing cybersecurity demands.
2024, Transtector celebrated over 50 years, expanding its portfolio to include integrated power systems for renewable energy and data centers.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Surge Protective Devices (SPDs): AC, DC, and data line surge protectors for telecommunications, industrial, and renewable energy systems.
IOT Series: Surge protection for IoT infrastructure, including smart grids and connected devices.
EMP Protection: Electromagnetic pulse surge suppressors for critical infrastructure and defense applications.
Power Distribution Units (PDUs): Integrated power and surge protection for data centers and industrial facilities.
RF Surge Protection: Coaxial and waveguide protectors for 5G, satellite, and radio communications.
Website: https://www.transtector.com
YouTube: https://www.youtube.com/@TranstectorSystems
Country of origin: Japan
Headquarters: Setagaya, Tokyo, Japan
Founded: 1946
Current CEO: Osamu Yoshida
Development History:
Founded in 1946, Otowa Electric Co., Ltd. began as a manufacturer of electrical components, later specializing in lightning protection and surge suppression technologies.
In the 1960s, pioneered the development of Zinc Oxide Blocks (Metal Oxide Varistors, MOVs), establishing itself as a leader in surge protection ceramics.
1970s, achieved mass production of Zinc Oxide Blocks, enabling high-quality, compact, and lightweight lightning arresters for various applications.
1980s, introduced polymeric and composite materials for arrester housings, replacing traditional porcelain to improve durability and reduce weight.
2000s, developed advanced lightning and surge measurement instruments, including lightning radar and current observation systems, enhancing its product portfolio.
2010s, expanded its global presence, supplying surge protection solutions to power utilities, telecommunications, and industrial sectors worldwide.
2023, continued to innovate with high-performance MOVs and integrated surge protection systems, maintaining its position as Japan’s top surge protection manufacturer.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Surge Protective Devices (SPDs) using zinc oxide ceramic elements, Oxide zinc arrestors, Lightning protection equipment, Lightning surge testing and evaluation services, Lightning surge protective devices for homes, data lines, and distribution boards.
Website: https://www.otowadenki.co.jp
Country of origin: Brazil
Headquarters: Lagoa Santa, Minas Gerais, Brazil
Founded: 1991
Current CEO: Marcelo Lobo
Development History:
CLAMPER was founded in 1991 and has been dedicated to the research, development, and manufacturing of Surge Protective Devices (SPDs) for over 30 years. Initially focusing on the mining industry, it expanded to other sectors needing protection for electrical and electronic equipment. The company has sold over 40 million products across more than 23 countries, establishing itself as a market leader in Brazil and the largest reference in lightning and surge protection technology in Latin America. It operates the largest SPD testing laboratory in the Southern Hemisphere. In 2023, CLAMPER was acquired by Legrand, a global leader in electrical and digital building infrastructures, marking a significant milestone in its growth.
Popular Product lines:
As a professional Surge Protection Device Manufacturer, their popular products:
Surge Protection Devices, Low voltage lightning arresters, Distribution boards and related protection equipment, Customized surge protection solutions
Website: www.clamper.com.br
YouTube: https://www.youtube.com/@CLAMPEROFICIAL
At the same time, we have provided a coordinate graph of quality and price for your reference.
LSP’s reliable surge protection devices (SPDs) are designed to meet the protection needs of installations against lightning and surges. Contact our Experts!
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