New Siemens 3WA air circuit breakers now upgradable from the web
Published on : Monday 05-10-2020
Flexible addition of features via software protects investments – New protection technologies prevent failures with distributed power supply.
October 2020 – With the new 3WA series, Siemens Smart Infrastructure is updating its Sentron portfolio of air circuit breakers. As a core element of low-voltage switchboards, they reliably protect electrical installations in buildings, infrastructures and industrial facilities from damage caused by short circuits, ground faults or overload faults. At the same time, the new 3WA circuit breakers meet all low-voltage power distribution requirements in digital environments. They support software-based planning and engineering, digital testing and monitoring, and seamless integration in automation and IoT systems. For the first time, upgrades can be completed 100 percent digitally. Users simply download new features from the Internet and add them using an app.
Siemens circuit breakers are designed for 30,000 operating cycles while requiring only one inspection per year. With a potential service life in excess of 100 years, their practical life averages approximately 10 years.
“Distributed energy systems, digitalisation and the Internet of Things will all place ever higher and more complex demands on electrical power distribution,” said Andreas Matthé, CEO of Electrical Products at Siemens Smart Infrastructure. “Our new circuit breakers are well equipped to handle these challenges. They are flexible enough to adapt to the tasks of tomorrow without needing to be swapped out.”
When technological requirements change, it is easy to add new features to the electronic trip unit (ETU600) installed in the 3WA air circuit breakers using the Sentron “powerconfig” commissioning software and a USB or communication port. The features are available online and are continually expanded by Siemens. Users benefit from high investment protection.
For more information on Siemens Smart Infrastructure, see www.siemens.com/smart-infrastructure
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