A nice touch is the PCB power relay's compact build, which leaves room for other components on the board.
MOELLER. EATON. CONTACTOR DILM40 220/240. XTCCE040D00B Nos Surplus
The Eaton brand gives this relay a familiar identity that can make replacements a little less stressful.
You will find that the TimeSaver brand is easy to source, and spares are often available when you need them.