Surge Protection Device Manufacturers

Surge Protection Device Manufacturers

Created by: Glen Zhu | Updated Date: Aug 31, 2023

SPD Manufacturing

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 global surge protection device manufacturers for you. If you want to buy SPD, we recommend that you examine the products of these global brands.

At the same time, we have provided a coordinate graph of quality and price for your reference.

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Surge Protection Device Manufacturers

Global surge protection device SPD manufacturers and suppliers.

1. Dehn

Dehn Surge Protection Device (SPD)

Founded in 1910, DEHN is an independent family company with roots in Bavaria, Germany. It has 21 subsidiaries and offices and more than 1700 employees worldwide. With 120 research and development staff operating in more than 70 countries. It is the world’s leading system provider of lightning surge protection products and safety equipment.

2. Phoenix Contact

Phoenix Contact Surge Protection Device (SPD)

Founded in 1923, Phoenix Contact is a Germany-based market leader. The group is synonymous with future-oriented components, systems, and solutions in the fields of electrical engineering, electronics, and automation. A global network across more than 100 countries and 17,600 employees. Started to Manufacturing TRABTECH series surge protection device since 1983

3. OBO

OBO SPD (Surge Arrester)

OBO Bettermann is a company based in Menden (Sauerland, Germany). The group of companies, which has been family-owned since it was founded in 1911, is active in the field of electrical and building installation technology and has 40 subsidiaries and production sites around the world. OBO surge protection model include V20, V25, V50, MCD50, etc…

4. Raycap

Raycap & IskraZascite Surge Protection Device (SPD)

Raycap was founded in 1987, it is a global manufacturer with sales and operations throughout Europe and North America. The company manufactures surge protection products and connectivity solutions for telecommunications, energy markets and other industrial applications.

Raycap Expands Product Line and Offerings with Acquisition of Iskra Zascite – surge protection manufacturer in Ljubljana, Slovenia on October 16, 2015.

Pairing Iskra Zascite’s wide product line and outstanding sales channels with Raycap’s innovative Strikesorb technology and unmatched customer support culture, will offer customers worldwide a whole complete solutions products and solutions to customers worldwide.

5. Citel

Citel Surge Protection Device (SPD)

Citel – a France company, since 1937, it has been protecting installations around the world from transient overvoltages that result from switching events and lightning strikes.

With a thorough understanding of local standards and regulations, along with continuous investment in R&D, CITEL designs, manufactures and sells millions of SPD’s each year.

Family company, the philosophy is to offer innovative and reliable surge protectors to the the closest possible to the market demand.

6. Saltek

Saltek Surge Protection Device (SPD)

SALTEK – a leading Czech company specializing in the development and production of surge protective devices. It offer either a complete range of Type 1 to 3 Surge protective devices for low-voltage power systems according to EN 61643-11 or surge protective devices for informatics, measurement & control and telecommunications.

SALTEK products provide protection against atmospheric and technological overvoltage and ensure safe and trouble-free operation of technological equipment, machinery and electrical appliances in industry, transport, telecommunications, data centers, office buildings as well as households.

7. Cirprotec

Cirprotect CPT Surge Protection

Cirprotec – a Spain company involved in the design and manufacture of lightning and surge protection devices, and is a leading international player in this sector. Cirprotec does also provide consulting services and customized solutions. Cirprotec belongs to a holding company specialized in technology, which gives it access to several design and manufacturing centres and laboratory facilities. Its head office is in Terrassa (near Barcelona), with over 6000 sqm including offices, labs and production facilities. CPT has an extensive network of branch offices both in Spain and abroad and is present in over 60 countries.

CPT has a wide range of products to provide solutions to specific needs in the field of lightning and surge protection. In striving to offer the best service, Cirprotec complements its product range with design, consulting and training services, providing customers with a complete solution. All CPT products are manufactured by Cirprotec in accordance with IEC-61643-1, NFC 61-740, BS 6651 & DIN VDE 0675-6.

8. Mersen

Mersen Surge Protection (SPD)

A global leader in overvoltage protection devices, Mersen offers a comprehensive line of surge protection devices, components, and systems.

Paris, April 5, 2018 – Mersen has acquired the remaining capital of Cirprotec, based in Terrassa, Spain, following acquisition of a majority stake in February 2014.

9. Hakel

Hakel Surge Arrster

Hakel, a family company from Hradec Králové (Czech) and have been supplying surge protection devices (SPD) over the world for more than 25 years.

Hakel surge and lightning arresters are produced not only for residential and non-residential constructions, but also for industrial applications such as oil pipelines, gas pipelines, photovoltaics, power stations and railways. Our products protect from surge various technologies, machines, appliances and equipment all over the world.

We also develop and manufacture insulation monitoring devices (IMD) for isolated IT power supply networks. We provide a comprehensive, complex A to Z solution for monitoring of insulation status in hospitals, industry and special applications.

We do not pretend that we can do everything, but if you ask questions about applications or the choice of proper surge protection, our team of skilled technicians will be happy to answer your questions and find the ideal solution for you.

10. Leutron

LEUTRON Surge Protection (Surge Arrester)

Leutron has been dealing with the limitation of surges and the discharge of surge currents for over 60 years. Our product range, hermetically sealed, high-performance isolating spark gaps filled with inert gas, is characterized by extraordinary reliability.

Demanding manufacturing processes, high-temperature soldering and vacuum technology offer the highest level of safety and durability. Know-how based on many years of experience enables the continuous operation of your systems and devices even in harsh industrial environments or prevents their failure in violent thunderstorms.


ZOTUP SPD (Surge Protection Device)

Since 1986, ZOTUP focus our efforts on the development of solutions for surge protection and on the production of Surge Protective Devices.   We strive to serve our customers with highest quality products and services.

ZOTUP’s goal is to provide products that protect people, their property and their working environment.

12. Novaris

Novaris Surge Protection Device

Based in Tasmania, Australia, Novaris Pty Ltd is positioned to provide you with the highest quality electrical surge protection products in the world.

13. LPI

LPI Surge Protection Device (SPD)

LPI – an Australian company based in Huntingfield (south of Hobart), Tasmania.

14. Weidmüller

Weidmüller Surge Protection (SPD)

Weidmüller & IZ D.O.O. – A Future – Proof Connection For Secure Surge Protection Solutions!

The Company is the result of long-term cooperation between the German company Weidmüller Interface GmbH and the Slovenian company Iskra Zaščite d.o.o. Established in 2014, it started with the manufacturing of surge protective devices in May 2014. Weidmüller, as a multinational company with globally established sales companies and representatives took over the surge protective devices marketing, while the Iskra Zaščite Company is responsible for the development of new generation of products.

15. Finder

Finder SPD (Surge Protection Device)

Finder was founded in 1954 by Piero Giordanino, who patented the first step relay in 1949. Today Finder produces over 14,500 different types of electromechanical and electronic devices for the residential, commercial and industrial sectors, all of them manufactured in our European facilities in Italy, France and Spain. Over the years the company has continued to expand and is now truly global. Finder is proud to be recognized as the relay manufacturer with the highest number of quality approvals. 

16. Transtector

Transtector Surge Protector

Transtector Systems – an INFINTE brand

17. Sankosha

Sankosha Surge Protection Device (SPD)

April 1930 – Sankosha was established at 22 Shin-Saiwai-cho in Tokyo.


OTOWA Surge Protection Device (SPD)

OTOWA Electric Co., Ltd. is the Japanese top manufacturer specializing in lightning protection related products. Since its establishment in 1946, the Company has been concentrating in development of such products by its state-of-art testing and research laboratory. The core technology of the Company’s lightning protection products is its Zinc Oxide Disks.

19. ABB

ABB Surge Protective Device (SPD)

OVR QuickSafe is our new generation of Surge Protective Devices (SPD) with improved performances! Thanks to innovative technology this new range of OVR covers residential and industrial applications with an extremely good protection level, simple installation and preventive maintenance. All according to the upcoming new standard IEC/EN 61643-11.

20. Schneider

Schneider Surge Protective Device (SPD)

Acti 9 iPF & iPRD

Surge Protection Devices Type 2 from 20 kA to 65 kA

Modular surge arresters Type 2, from 20 kA to 65 kA, recommended for incoming, compliant with IEC/EN 61643-11:2011


Acti 9 iPF K, iPRD

Surge Protection Devices Type 2

Surge Arresters Type 2, compliant with IEC/EN 61643-11:2011

21. Siemens

Siemens Surge Protection Device (SPD)

5SD7 series Surge Protection Devices are manufactured by Phoenix Contact.

22. Hager

Hager Surge Protection Device (SPD)

SPD’s protect electrical and electronic equipment against transients, originating from lightning, switching of transformers, lighting and motors. These transients can cause premature aging of equipment, downtime, or complete destruction of electronic components and materials.

Learn more SPD manufacturing, download PDF.

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Surge Protection Device Manufacturers

Global surge protection device SPD manufacturers and suppliers.

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