Wiring SW input in parallel with a load

Hi!

I'd like to use a Shelly to detect and log when a load (the coil of a contactor) is turned on.

The problem is, because the SW input supports activation by both L and N, it is pulled to half of the supply voltage while idle. This has two undesirable side effects: one is that the shelly will always register "on" state because the reactance of the coil is small enough to pull the SW pin sufficiently low when the external signal to operate the coil is off and the second is that there is a constant current flowing trough the coil.

Do i have any options to solve this, like a shelly with an input that only gets activated by L, other than installing a small relay converting my signal into a dry contact?

Thanks!

Although my German is a little rusty since i didn't have to use it for a while, i think i made out the most important parts:

Wire a resistance between 470k and 1M, rated for more than the peak phase voltage and for at least 1/4 watt of dissipation in series with the input.

Thanks!