No these are not like that, they are in themselves motor disconnects.
When you plug them in first you push in a little and turn, then you push in some more against heavy spring pressure and a latch catches.
To unplug or disconnect you push on a button and the contacts spring apart but the plug is left in the outlet unless you untwist it.
You can get all kinds of accessories, Red Mushroom buttons for the unlatch button, auxiliary switch contacts that could be used as you say.
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Bob
