I guess I'm focusing on you, EU colleagues, because this is a French company.
For some time I've been wanting to find a Zigbee DIN rail mount relay/contactor (the ideal product would be a ZB3.0 version of the Sonoff 4CHPROR3), and this thing apparently can come with a DIN rail adapter.
i spoke with the Nodon guys - its def. ZB3.0 compliant so it should pair with Hubitat, from that point all bets are off but if they use the standard clusters then hopefully a built-in generic driver will do the trick.
because i'm in australia the shipping/import prohibits buying one to test...but i'm keen because i see the potential for (amongst others):