What are the common fail modes of Crydom SSRs?

If we are referring to the output terminals, the common failure mode is typically a short circuit and this is caused due to an overvoltage or an overcurrent. If the current isn't regulated within the device parameters, a short circuit will come into play, which in turn would place the SSR on failure mode due to the fact the semiconductor has significant damage. Correct fuse selection is essential to protect the relay.

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