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General-purpose Relay: Life Span of Coils

FAQ No. FAQ02807

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What is the life span of the coils when voltage is continuously applied to coils for MY2 AC100V General-purpose Relays?


The general heat-resisting life span for the wire is 40,000 hours. Therefore, if polyurethane copper wire is used in the coil, the life of the coil is approximately 5 years. (A life of 5 years is applicable when applying the rated voltage in a normal environment.)