What stands out about the WD3556 is that it's simple to locate in a crowded panel.
1Pcs For BERM single phase solid state relay dual channel control BERM-SK40DA
A nice touch is that the auto-off timing feels natural, not too quick, not too slow.
A nice touch is the gentle tension in the terminals on this unbranded relay, which grips wires without crimping them hard.
With the override switch, you can hold a state while you troubleshoot, keeping the line moving smoothly.
You will find that the color LCD adds clarity to setup, especially in with mixed lighting.
A nice touch is the TimeSaver brand's quiet reduce clutter and distraction in control cabinets.