The RPM-Q2R20120-01 designation makes tracking simpler, and you will find that very helpful.
2Pcs JD1912 Car Relay Harness 12V 40A 4 Pin SPST 12AWG Harness Sockets with Buil
Having the NOVITA brand on there is a nice touch, since it keeps things consistent with other gear.
With Omron, you get a relay that feels solid in the hand and quiet.
With this relay, the RemoteKit type stands out as practical, and you will find that it fits well in many spots.
You will find that a 500A relay like this pairs well with bigger transformers.
What stands out about this relay is the G8HE-1C7T-R1-DC12, which looks neat on the DIN rail.
The 20301-84 is a nice touch since it fits without fuss and just works.
the model MIC-06-117 is easy to identify during maintenance, which is a nice touch.
The heavy duty build quality is clear as soon as you mount it, and everything lines.
You will find that the Formiden brand appears on the unit, reminding you of the maker clearly.