What stands out about this relay is that the RL40 model makes wiring feel intuitive.
5Sets DC 12V Coil Power Relay LY2NJ HH62P JQX-13F DPDT 8 Pin 10A with Socket Bas
You will find that the unbranded/general look helps when you're building kits for teaching or hobby use.
I like that it has a nice touch of being unbranded/general, so you can add your own labeling.
A nice touch is the gentle tension in the terminals on this unbranded relay, which grips wires without crimping them hard.
You will find that this unbranded relay is simple to install, with clear terminals and a compact body for tight spaces.