Rittal has produced a guide book, Standard-compliant Switchgear and Control Protection, which offers an insight into the new IEC 61439 standards and to assist Rittal customers and give guidance on how to comply with the standards.
Relating to building of control panels and electrical distribution systems, the new IEC 61439 standards will be in force from November 2014 and impact upon the design of the panel, selection of components and the testing methodology.
Basically, the panel will become a system, which means the designer/panel builder must consider: the enclosure, the effects of heat upon the components, cooling equipment, busbar system, mechanical properties and the generation of test documentation, which is a requi-rement.
50,000 Weaponized Drones
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I ran across an interesting article today over on Forbes.com, “Russia
Braces For Attack By 50,000 Ukrainian Kamikaze Drones, Seeks Shotguns”.
With a titl...
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