The model name RELAYCAR24 shows up on the schematic, which makes wiring and reordering a whole lot simpler.
MAGNECRAFT RELAY W388CQX-11 5945-01-136-1046 3PDT 120 OHM 11 AMP 11 TAB – 3 LOT
you will find that this unit the Magnecraft RoHS brand, and that detail gives it a more serious feel.