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. 35 mmThe powerful type I lightning arresters are available for the DIN rail, 40 mm and 60 mm busbar systems.

Your benefits at a glance

High performance in your application

High performance in your application

Depending on the mains system type for which lightning 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 I lightning and surge protection products are available for mains voltages of 230 V/400 V, 400 V/690 V and 950 V.

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 I lightning and surge protection AC)

Type I lightning and surge protection – 230 V / 400 V

12.5 kA – VARITECTOR PU AC I LH

The pluggable lightning and surge protection devices of VARITECTOR PU AC type I+II have a lightning impulse current Iimp = 12.5 kA and are used in lightning protection level III/IV. The devices are energetically coordinated type I, type II and type III according to IEC/EN 61643-11 (VDE 0675-11) and have a protection level UP ≤ 1.5 kV. Application-specific product configurations are available for the different network types.

12.5 kA – VARITECTOR PU AC I LH
  • Combined type I+II arrester for a wide​ range of applications​
  • Pluggable arrester with 12.5 kA lightning impulse current Iimp per module
  • Status display and remote signalling ​contact for easy maintenance​

12.5 kA – VARITECTOR PU AC I leakage current-free

The pluggable VARITECTOR PU AC type I+II lightning and surge protection devices are leakage current-free and suitable for use in the pre-meter area. The modules are energy-coordinated type I, type II and type III in accordance with IEC/EN 61643-11 (VDE 0675-11) and is used in lightning protection class III/IV. Application-specific product configurations are available for the different network types.

12.5 kA – VARITECTOR PU AC I leakage current-free
  • Leakage current-free series for use in front of the electrical meter
  • Pluggable arrester with 12.5 kA lightning impulse current Iimp per module
  • Back-up fuse not necessary up to 315 A

12.5 kA – VARITECTOR PU AC I leakage current-free / Monobloc

The combined lightning and surge protection devices of the VARITECTOR PU AC type I+II are leakage current-free and particularly compact. They can be used in the pre- and post-metering area according to VDE-AR-N 4100. All devices are energy coordinated and fulfill the performance classes T1,T2, and T3 according to IEC/EN 61643-11 and VDE 0675-11 with a protection level up to ≤ 1.5 kV. Application-specific product configurations are available for the different network types.

12.5 kA – VARITECTOR PU AC I leakage current-free / Monobloc
  • Combined type I+II arrester for a wide​ range of applications​
  • Leakage current-free monobloc ​with 12.5 kA lightning impulse current Iimp​​
  • Status display and remote signalling ​contact for easy maintenance​

25 kA – VARITECTOR PU AC I F with integrated fuse

The proven surge protection devices of the VPU series type I with 25 kA are also available in versions with integrated back-up fuse. This eliminates the need for an additional back-up fuse upstream of the SPD. The combined type I+II surge protection devices have one back-up fuse per protective path and can be used universally in power distribution systems. Application-specific product configurations are available for the different network types.

25 kA – VARITECTOR PU AC I F with integrated fuse
  • Perfect protection due to integrated fuse and high discharge currents
  • Convenient installation and maintenance due to pluggable modules
  • Preconfigured variants for multipole applications

25 kA – VARITECTOR PU AC I S-Line leakage current-free

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.

25 kA – VARITECTOR PU AC I S-Line leakage current-free
  • Narrowest pluggable type I arrester with 25 kA discharge capacity
  • Powerful – fuseless operation up to 315 A
  • Energetic coordination as type I, II and III enables reliable protection

25 kA – VARITECTOR PU AC I+II leakage current-free / Monobloc

VARITECTOR PU AC type I+II lightning and surge protection devices are leakage current-free and particularly compact. They can be used in the pre-metering and post-metering range in accordance with VDE-AR-N 4100 and meet the requirements for Type I and II. All devices are energy-coordinated and meet the performance classes T1+T2+T3 according to IEC/EN 61643-11 and VDE 0675-11 with a protection level up to ≤ 1.5 kV. Application-oriented product configurations for different network types are available.

25 kA – VARITECTOR PU AC I+II leakage current-free / Monobloc
  • Combined type I+II arrester for a wide​ range of applications​
  • Status display and fault signalling for easy maintenance
  • High discharge current for universal use in all lightning protection classes

Type I lightning and surge protection – 400 V / 690 V

10 kA – VARITECTOR PU AC I for 480 V AC applications

The supplementary modules were designed as surge protection devices for AC networks with a rated voltage of 400 V AC. The pluggable arresters are energy-coordinated type I, II and III arresters in accordance with IEC/EN 61643-11. No back-up fuse is required up to 315 A. Application-specific product configurations are available for the different network types.

10 kA – VARITECTOR PU AC I for 480 V AC applications
  • Convenient installation and maintenance due to pluggable modules
  • No back-up fuse required up to 315 A
  • Available for TN, TN-C, TN-C-S and TN-S network types

25 kA – VARITECTOR PU AC I leakage current-free / Monobloc

The combined lightning and surge protection devices of the VARITECTOR PU AC type I+II are leakage current-free and particularly compact. They can be used in the pre- and post-metering area according to VDE-AR-N 4100. All devices are energy coordinated and fulfill the performance classes T1,T2, and T3 according to IEC/EN 61643-11 and VDE 0675-11 with a protection level up to ≤ 1.5 kV. Application-specific product configurations are available for the different network types.

25 kA – VARITECTOR PU AC I leakage current-free / Monobloc
  • High discharge current for universal use in all lightning protection classes
  • No back-up fuse required up to 250 A
  • Status display and remote signalling ​contact for easy maintenance​

Type I lightning and surge protection – 950 V

12.5 kA – VARITECTOR PU AC I for 950 V AC applications

The supplementary module was designed as a surge protection device for AC networks with a rated voltage of 800 V AC. It is especially suitable as a surge protection device for Huawei SUN 2000 and PID 2000 inverters. The dedicated 3+MOV design ensures safe operation with PV inverter systems up to Uc 950 V.

12.5 kA – VARITECTOR PU AC I for 950 V AC applications
  • Special 3+MOV variant for AC-side protection of an inverter
  • Combined type I / type II arrester according to EN 61643-11:2002-A11:2007
  • Continuous pluggability for easy installation and maintenance

Type I products for busbar systems

VARITECTOR PU ZPA S

Surge protection for 40 mm busbar systems

VARITECTOR PU AC BS60

Surge protection for 60mm busbar systems

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.

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.

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Industry experience

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