CHECK THE SPECS!
The current rating of those contacts is usually significantly different for AC vs DC...
Not likely an issue (Not sure why you would have any high-current DC in your system) But something you should be aware of. AC and DC are not interchangeable when it comes to switches relays and other components.
Typically the contacts are rated for a resistive DC load. Their AC resistive load rating is less and the inductive load rating is significantly less.
Short of current ratings, mechanical switches and relay contacts are universally interchangeable between AC and DC.
The coil on the relay is a different matter but thats not the question that was asked. Unless I am missing something?
Gotchya. The last statement in your previous post alluded, at least to me, that there may be other reasons why DC and AC weren't compatible for dry contacts. All clear now
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