If you want something simple, the Honeywell RA8366 does the job without fuss.
Solenoid Relay Contactor 12V 500A, Universal Replacement for 8000lbs-15000lbs
What stands out about this heavy duty relay is how calmly it handles higher currents without feeling strained.
The black color is a nice touch because it helps the relay blend into dark enclosures and backplanes.
What stands out about BU1 AC is the way it sits flush, looking neat.
What stands out about the indicator light is that it keeps status visible without extra steps.
With model6819, you can see the coil rating printed right near the pins for quick reference.