Source for relays, transformers, energy sensors

Hi - Not sure if this is the right forum for this - please feel free to move if not.
Just though folks might find this useful. Came across a company that sells relays, transformers, voltage and current sensors, indicators, etc.
Not cheap but not crazy expensive.

CR Magnetics

Might be useful for some projects.

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I'd also suggest,, among others if you know exactly what your looking for.