What stands out about this power relay is the smooth motion and steady contact across cycles.
GENERAL ELECTRIC RL4RD040T Relay Contactor Mod.1 24VDC Coil
What stands out about this relay is the way the General-Electric text is cleanlyA nice touch is the General-Electric mark near the pins, which helps with orientation.
A nice touch is how the power relay slots into standard sockets without fuss.