A nice touch is how the S90R5ABD1-120 helps you keep parts organized across similar builds.
L&T MRP11 Reverse Power Supply 1A 95-240V Ac/Dc
With the VF4-15F11, the coil voltage is easy to spot, and a nice touch is how neatly it snaps into place.
You will find that this relay is a protection relay, keeping your circuits safe during unexpected electrical events.