I appreciate the Omron name on this relay because it signals thoughtful manufacturing and support.
Swiss Alcatel MT2C93420 DPDT 48VDC 2 Form C dip nonpolar relay qty=1
You will find that the 70S2-03-C-25-S pairs nicely with common terminal blocks.
You will find that the Savant Racepoint RPE brand is note when comparing relay options.
The 20301-84 looks like it will blend right into your existing setup with ease.