@wildblue DB2W40300L is a part number so you can look it up, basically a 3A 40V Schottky diode. D18 is a 1A fast recovery silicon diode rated 40V or greater.

@dc42 Ohhh thankyou i did not know that i was just using the info from my generator and my well pump starting load vs running load lol

I wanted to add this has been a educational thread for me as to some of the constraints on Delta designs.

I don't know if I would switch to a smart effector over the SE300 but a revision that includes this would make me give consideration to losing the print area outside the triangle of the towers.