Surge protection in energy systems

TYPE II surge protection

Surge protection in energy systems

Future-proof protection

With VARITECTOR, we offer a comprehensive portfolio of reliable lightning and surge protection components for the protection of energy systems and installations in building, industrial and process applications. The type II arrester (surge arrester) protects the electrical equipment and systems from overvoltages caused by remote lightning strikes and switching operations.

Your benefits at a glance

High performance in your application

High performance in your application

Depending on the mains system type for which surge protection is required, 1- to 4-pole surge protection modules as well as 1+1 and 3+1 versions are available.

Complete and attractive product range

Complete and attractive product range

Type II surge protection products are available in various rated voltages. Variants with integrated fuses are also available, eliminating the need for an additional backup fuse upstream of the SPD.

World-wide product range

World-wide product range

The arresters are tested in accordance with IEC/EN 61643-11 and can be installed in systems in accordance with IEC/EN 61643-12 or DIN EN 62305-4.

Product range – Type II surge protection (AC)

75 V - 1000 V

75 V - 1000 V

VPU AC II series
Integrated fuse

Integrated fuse

VPU AC II F
230 V / 400 V

230 V / 400 V

VPU AC II+III
400 V / 690 V

400 V / 690 V

VPU AC II+III
230 V / 400 V

230 V / 400 V

For 60 mm busbar
cULus approval

cULus approval

VPU AC II US – 60 V to 600 V

Type II surge protection – 75 V to 1000 V

VARITECTOR PU AC II series

Ever more efficient surge protection solutions are required, especially in energy supply areas like renewable energy generation, process industry, and building infrastructure. They enable fuseless operation up to 315 A, are certified according to UL 1449 and convince with particularly efficient design.

VARITECTOR PU AC II series
  • Available in rated voltages (AC) of 48 V, 120 V, 230 V, 400 V, 690 V and 830 V
  • Certification according to international IEC/EN standards and UL 1449 standard
  • Status display and remote signalling ​contact for easy maintenance​
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Type II surge protection with integrated fuse

VARITECTOR PU AC II F

The proven surge protection devices of the VPU series are also available in variants with integrated fuses. This eliminates the need for an additional fuse before the SPD. The combined type II+III surge protection devices have one back-up fuse per protective path and can be used universally in power distribution systems. The application-oriented pluggable product configurations allow flexible use in different network types.

VARITECTOR PU AC II F
  • Perfect protection due to integrated fuse and high discharge currents
  • Reduced wiring effort by eliminating the need for backup fuses
  • Flexible use in all power distribution systems
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Type II+III surge protection

VARITECTOR PU AC II+III 20 S

Our new VARITECTOR PU AC II+III surge protection devices provide optimum protection against surge damage. With a width of only 9 mm per pole, they are particularly compact and can therefore be used in all sub-distribution boards, charging stations, and many other applications. The modules fulfil the requirement classes of type 2 and 3. With a dischage current of 20 kA these products offer excellent and tailormade protection.

VARITECTOR PU AC II+III 20 S
  • Suitable for operating voltages (Uc) 275 V and 440 V
  • High short-circuit current resistance of up to 25 kA
  • Available for mains types TN-S, TN-C, IT, and TT
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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.

Electronic product data for our distribution partners

Electronic product data for our distribution partners

Our electronic catalogue in BMECat format and other formats provides you with all product data on our components and modules. Benefit from fast access to product data through proven standards.

Industry experience

Industry experience

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Weidmüller Interface Norway Hoffsveien 1A 0275 Oslo +47 23 65 39 99 kundesupport@weidmueller.com