Weidmüller surge protection devices ensure safe traffic flow in the event of lightning

Create Date: 2024-8-30 12:03:23|Source: Weidmuller

Peter Meister AG's control system will ensure smooth traffic flow at the Brüttisellen transport hub in Switzerland in the future. The future-proof surge maintenance equipment of the VARITECTOR PU series ensures that the control system can operate reliably for a long time, even in bad weather.
Weidmüller surge protection devices ensure safe traffic flow in the event of lightning
  With an average daily traffic of 130,000 trips per day, the Brüttisellen transport hub in Zurich's northern metropolitan area makes it a real traffic bottleneck. This important junction is the intersection of the A1 and A53 highways, which pass through cars from Zurich, Eastern Switzerland, the Zurich Oberland and the Zurich Plain.

Despite regular maintenance, the load-bearing capacity of the four-story overpass through which traffic across the A1 passes has been reduced to below acceptable limits over the past few years. To this end, a large-scale renovation of the overpass is now in full swing. Against this backdrop, the control switchgear specialist Peter Meister AG accepted the task of supplying a new control system for the section near Brüttisellen.

It can be used for future surge maintenance functions to complete higher planning safety

"A robust traffic control system is essential for the extremely busy Brüttisellen transport hub, because the only way to complete safe traffic flow here is with dynamic displays that actively regulate traffic with the flow of traffic," explains Fabio D'Ottaviano of Peter Meister AG. "One of our missions is to install a system that works perfectly around the clock in the right way. We have met this specification with high-quality surge maintenance equipment and other means. ”

A lightning strike is the process of discharging voltages up to several thousand volts. Currents from 50 to 200,000 amperes can be collected in a very short time. Device components, especially electronic components, are generally unable to accept such large surge voltages. In order to avoid downtimes, Peter Meister AG opted for surge maintenance equipment from the VARITECTOR PU series from Weidmüller. They not only provide reliable maintenance, but also provide long-term plannable security.

"As long as the surge maintenance equipment supplied by Weidmüller to us can comply with the IEC/EN 61643-11:2012 specification, which has been in effect since September 2012," says D'Ottaviano. "Because we can use the latest skills to serve our customers, we have helped our customers save on the work required to get used to the new national standards during the three-year transition period from EN to domestic standards. Especially for this large-scale construction project, we choose to act cautiously, so that we can save planning costs. ”

Maintenance measures for hazards and downtime caused by thunderstorms are becoming increasingly important

The newly introduced stringent IEC/EN 61643-11:2012 specification takes into account the increasingly important and robust surge maintenance. The number of large-scale thunderstorms occurring globally has increased significantly over the past few years, and the World Meteorological Organization (WMO) predicts that the number of large-scale thunderstorms will continue to increase further based on rising uniform temperatures around the world. "Compared to the impact of lightning strikes on personnel and means of production, the cost of a modern surge maintenance system is very low. In addition, the longer the system runs, the higher the possibility of being exposed to surge hazards," explains David Schüz, Industrial Manager at Weidmüller. "Therefore, I clearly advocate that Peter Meister AG use the latest surge maintenance equipment to maintain the entire system."

The VARITECTOR PU surge maintenance device combines varistor exhaust pipe skills. The Quick Condition Report is a particularly decisive normative factor for Peter Meister AG. The remote signal contacts with "PUSH IN" sockets allow for instantaneous connection and continuous monitoring of the condition of the surge maintenance equipment. In addition, a large condition window allows for the maximum overview of the product, where the function of the surge maintenance equipment in the cabinet can be seen at a glance. Thanks to these features, VARITECTOR PU will be able to assist the Brütisellen transport hub in a smooth flow of traffic after the renovation work. In fact, well-designed planning security now helps to achieve this goal.

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