Innovative overvoltage protection for weather stations: Warema Plug-in Protect
If lightning strikes above a weather station, the overvoltage can enter the building and seriously damage the on-site bus system. Warema Plug-in Protect is an innovative solution that specifically protects this sensitive interface against overvoltage, reducing the risk of damage. The Plug-in Protect can be easily integrated or retrofitted without any major installation outlay. It plugs into the designated prongs on the power supply unit of the Warema weather station; in the Omnexo bus system, it can be used with the Warema Weather station pro and Weather station move. In the KNX system, the overvoltage protection can be installed directly on the KNX secure sensor interface of the KNX secure Weather station pro. “With Warema Plug-in Protect, we have developed an innovative solution: pluggable, integrated overvoltage protection that can be easily retrofitted without unravelling the bus lines”, explains Rüdiger Dümig, Head of Product Management Smart Building Solutions at Warema.

Secure protection for sun shading drives: Warema protect plug receiver
In the event of a lightning strike, overvoltage can also enter a building via electrical sun shading systems. This would damage not only the sun shading itself, but also other power consumers and even sensitive IT systems. The protect plug receiver specifically minimises these risks. In the event of strong overvoltage, it cuts itself off safely to protect the system. For safety reasons, users will still be able to raise the sun shading. The next time the sun shading is used, an acoustic signal will inform the user that the plug receiver has been tripped and needs to be replaced. The protect plug receiver is installed directly on the sun shading and is suitable for all 230 V standard drives with a Hirschmann socket (STAK 3 / STAS 3). Plug & Play installation means it can be quickly retrofitted without the need to interfere with the wiring – ideal for new and existing buildings.

As part of a holistic protection concept, Warema Plug-in Protect and the Warema protect plug receiver offer standardised, retrofittable solutions to protect sun shading and control systems from overvoltage.

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