Watertight rotary control devices in aluminium alloy suitable for applications in areas at risk of explosive atmospheres as defined in ATEX Directive 2014/34/EU. Back box and cover are treated with ecological anticorrosion passivation with fluoro-zirconium and finished with hot polymerized scratch-resistant non-toxic polyester painting. The cover is attached to the back box by means of stainless steel screws, while the sealing is guaranteed by a gasket in non-ageing elastomer. Predisposed for internal and external earth connection. The isolator is an AC3-AC23A class switch at rated current with the capacity of withstanding a short circuit 10kA; the mechanical duration is over one million operations.
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