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Weidmueller Lightning and Surge Protection Device Offers Quick Installation

Weidmuller VARITECTOR

 

November 27, 2019

VARITECTOR PU ZP lightning strike arrester

The VARITECTOR product portfolio from Weidmueller 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. In accordance with the guidelines of DIN VDE 0100-443 and DIN VDE 0100-534, surge protection is a mandatory component for each power supply – particularly in building infrastructure. The VARITECTOR PU ZP lightning strike arrester products are tested according the valid product standards EN 61643-11 (AC), EN 50539-11 (PV) and UL 1449 Ed. 4.

For both commercial and privately used property, it often makes sense to fit surge protection in the mains-side terminal compartment of the meter cabinet or installation distributor. The compact VARITECTOR PU ZP surge protection and lightning current arrester is designed for three-phase power supply networks and quick installation on 40 mm busbar systems. The modules enable direct contact with the busbar with a separate PE connection, and they combine type I and type II arresters for lightning and surge protection in one product – no need for manual cabling.

VARITECTOR PU ZP has a clearly visible optical status indicator. The protection status can be read at any time without the need for manual operation. The protective circuit, a series connection comprising of a varistor and a sparkover gap (gas discharge tube), guarantees leakage current free protection between the conductors as well as with the protective earth conductor, as required by VDE-AR-N-4100. VARITECTOR PU ZP is available in application-oriented performance classes up to 12.5 kA discharge current [lightning test current Iimp (10/350 µs)] as well as Imax (8/20 µs) of 50 kA. With a maximum continuous current of 300 V, the VARITECTOR PU ZP is designed for use in mains system types TN-C, TN-C-S, TN-S and TT.

  • 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

 

More information on the VARITECTOR lightning and surge protection solution

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