VARITECTOR lightning and surge protection

Reliable protection for your plants, devices, machines, and energy grids

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 tailor-made 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

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

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

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

Product HIGHLIGHT

VARITECTOR PU AC S-line

Safe, efficient and extremely space-saving

With increasing digitalization, the infrastructure of intelligent devices and systems is becoming more and more sensitive to interferences. Besides, cost and competition are forcing manufacturers to improve compactness and efficiency of their products. The innovative gas arrester technology of our VARITECTOR PU AC S line enables a particularly space-saving design with only 18 mm width per pole. For excellent surge protection with a slim design and an attractive price/performance ratio.

Space savings of 50 % due to reduced width
Fuseless operation up to 315 A
Energetically coordinated as type I, II and III
More efficient installation

GO TO PRODUCT CATALOG

GET MORE INFORMATION

High-performance surge protection for the North American market Product innovation

In the USA, electrical installations need to have surge protection. The current safety standard NFPA 79 (Edition 2018) defines the use of surge protection devices in machines with safety circuits.

According to NFPA 79, surge protection products must ensure voltage limitation according to the insulation coordination. This requirement is met by devices of the VARITECTOR PU AC US series. They are UL listed, which includes the requirements of NFPA 79. The product series has been specially adapted to the North American market. In addition to the requirements of UL 1449 ed4, it also meets the IEC/EN 61643-11 standard and can therefore be applied worldwide.

High-performance surge protection for the North American market

Benefits for residential and commercial applications:

Compliance with NFPA 79 (Edition 2018) for the entire product series
"UL-Listed" mark of conformity on all product variants
Simplified approval of plants used in North America
Worldwide applicable due to simultaneous compliance with IEC/EN 61643-11

GO TO Product Catalog

VARITECTOR PU US-line

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.

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, 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

Go to Product catalog

Surge protection in energy systems

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.

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

GO to Product catalog

Surge protection for instrumentation and control (I&C)

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.

Your benefits

Protects your standard signals such as RS 485 and RS 232
Ethernet CAT.6 Protection with PoE+ function

Go To Product catalog

Surge protection for data interfaces

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.

Go to product wizard

Varitector Selector Guide

Explore our varitector surge protection options.

Varitector Selector Guide

Perfect complementation

PROtop power supplies - the power boost for your production environment

High perfomance, when you need it

Industrial Ethernet

The complete solution for industrial data transmission with network devices for safe communication from the field to the control level

Terminal markers

Make your labeling more efficient with Dekafix, WS, and MultiFit terminal markers

Analog signal conditioning

Weidmüller's range of analog converter and monitoring relays makes it a powerful partner in light of the increasing use of automation.

Benefit from Weidmüller services and market experience

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

Products of the Orange Selection are always available.

Industry experience

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

To our industry overview

Virtual fair world

Discover our highlights at our virtual fair world. Immerse yourself in Weidmüller's digital fair world and learn more about the topics Smart Factory, solutions for the shop floor, end-to-end connections and interfaces, charging infrastructure for electromobility and exciting product innovations.

Go to virtual fair booth