Why require IEC 60255-27 compliant Auxiliary Relays in substation environment.

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Auxiliary relay technology is widely used in various fields of industrial activity, from the aeronautical sector up to the automotive, passing through manufacturing, steel or mining. Singularly, the auxiliary relays have played a fundamental role in the development of the energy sector since its birth associated with telecommunications... of an electrical signal, and today maintain a leading role in the process of power generation, transmission and distribution as elements of the highest reliability for the multiplication of signals, amplification of control signals, automatic sequences execution and safety interlock where the safety of persons and equipment are involved.

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