I know I'm not making myself clear, sorry!
But forget the three gang. On an existing one gang I have two wires, one at the top and one at the bottom of the switch. One presumably comes from the circuit and the other goes to the light. The N from the light must go back to a spur from which the switch is fed.
The new switches say they require a live and neutral feed, into the L & N sockets, then the "return" from the light also goes into the N hole (along with the one from the mains) and the "red" to the light goes into L1 (Out).
So that's 4 wires I need coming into the box, and I only have 2.
Any better?
(I've tried adding the manufacturer's pic to the album but not sure it's worked - photos.app.goo.gl/G8Y4YEva67zWEe4v1 )
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