If your home is wired with the switches inline with the lights, then there is no real value of a DIN rail switch for you. My house had an old GE low voltage lighting panel, where all of the lighting circuits terminated, and the switches were on a separate 24v system. For this, the DIN rail switches were ideal, as I didn't have to rewire the entire house (with a further complication that my house is a 200 year old log cabin, so the walls are solid timber & it would have been incredibly destructive to attempt to rewire it).
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