Protection with high-quality products

The world is becoming more and more digital. Technical infrastructure and plants getting increasingly complex and sensitive. Due to the increasing connections and interactions of components and systems, the protection of individual areas is becoming of decisive importance. And surge protection plays a more important role than ever before.

As a long-term, innovative partner, Weidmüller stands for reliable high-quality products for surge protection. In-depth specialist knowledge and hundreds of tailormade surge protection solutions make us your ideal partner. With our broad and comprehensive VARITECTOR product portfolio we offer surge protection for energy systems, for instrumentation and control, and for data interfaces.

Your benefits at a glance

Investment protection

Investment protection

We protect your investments through our reliable and sophisticated products and solutions, valuable services, and our advisory expertise.

Reliability and quality

Reliability and quality

Our products meet the highest requirement of the market. They fulfil all required norms and international standards. Long life cycles, cost-efficiency and permanent improvements are the basis of our products.

Highly customer-centric products and solutions

Highly customer-centric products and solutions

Market requirements differ and customer challenges are often specific. We focus highly on these needs and find answers.

Product range

Surge protection for energy systems

In the energy sector, the VARITECTOR portfolio offers lightning and surge protection solutions for voltages from 75 V to 1,500 V for diverse applications in energy supply, renewable energies, water management, and the process industry. The products are tested according the valid product standards EN 61643-11 (AC), EN 50539-11 (PV) and UL 1449 Ed. 4.


Surge protection for energy systems
Your benefits
  • The arresters are tested according to product standard IEC/DIN EN 61643-11 and UL 1449 Ed.4
  • The arresters can be installed in systems according to IEC/DIN 61643-12 and IEC 62305-4
  • No back-up fuse needed up to 315 A
  • An integrated locking clip secures the pluggable arrester
  • Visual display now also in yellow as early warning signal

Surge protection for instrumentation and control (I&C)

Weidmüller's broad product range of VARITECTOR SPC for the I&C sector offers products in a 2-piece, pluggable design and VARITECTOR SSC modular terminals for tension clamp or screw connection.

Surge protection for instrumentation and control (I&C)
Your benefits
  • The VARITECTOR Series VSPC and VSSC are tested according to product standard IEC/EN 61643-21
  • The VARITECTOR Series VSPC and VSSC can be installed in systems according to IEC/EN 61643-22
  • The VARITECTOR series VSPC and VSSC can be used in applications according to classes C1, C2, C3, and D1
  • A visual and electrical signaling function is available as an option

Surge protection for data interfaces

Data transmission between controllers, computers, transducers, or actuators must be extremely reliable in order to avoid errors in the transmission of information. To protect this sensitive area, we offer a large number of suitable surge protection solutions.

Surge protection for data interfaces
Your benefits
  • Protects your standard signals such as RS 485 and RS 232
  • Ethernet CAT.6 Protection with PoE function
  • Protection of BNC, F, and N Connectors by COAX Protection
Product wizard for lightning and surge protection

Product wizard for lightning and surge protection

With our product wizard you can select the specifications of your desired lightning and surge protection products, and you will be shown an overview of all matching Weidmüller products.

Perfect complementation

Benefit from Weidmüller services and market experience

Simple planning through software support

Simple planning through software support

Use the Weidmüller Configurator to quickly and easily configure and request our components. The tool supports continuous engineering workflows, from planning with E-CAD systems through to documentation.

Orange Selection

Orange Selection

Products of the Orange Selection are available at any time. If your order is received by 3 p.m., your items will already be on their way the following day.

Industry experience

Industry experience

We speak the language of our customers. With expertise and passion for the various industries.

To our industry overview

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Consulting & Support

Your direct contact

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