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ZOTUP SPDs WITH PROGRESSIVE PERFORMANCE INDICATOR SPD efficiency state is now simplified. A progressive indicator from green, to orange and then red, allows you to check in a simple and immediate way...

To absorb over-voltages and thus avoid short circuits, most of the time electrical systems require surge arresters. ZOTUP, an Italian company based in Bergamo, works for the development of Made in...

SPD Classification: Standards and Test Types Surge Protection Devices (SPD) are classified and tested based on parameters provided by the manufacturer. According to HD 60364-5-534 and EN 62305...

Knowledge of some basic technical terms and definitions associated with SPDs will facilitate an understanding of the contents of this catalogue. Please find below a selection of the most...

The updated typical single-line diagrams for the design in Autocad and Pad for surge arresters are online. Here's how to download the updated dwg diagrams, useful and indispensable tools for design....

In order to protect asignal lineordata, be it a TV antenna, telephone line , internet, CCTV, Profibus, or CANbus, is it is advisable to install an SPD placed in series with the line itself. Its...