I have a 40 HP motor, 480 volts, with a TIME DELAY FUSE, 50 amps, but I would like to make sure that this is the right fuse, could you please send me a copy of the table 430 to see with fuse is recommended for this motor

If you are doing work like this a copy of the NEC should be standard issue.

Besides, this is not a free NEC web site. It is a DIY home improvement message board.
If I may ask, what made you put "national electric code free online" in the title line? Was there something that suggested this was a free NEC site?

Probably from this sticky posted at the top of this forum:

Reading the NFPA 70 etc. National Electric Code Online (https://www.askmehelpdesk.com/electrical-lighting/reading-nfpa-70-etc-national-electric-code-online-270277.html)

Follow the link to the NFPA website, follow the instructions to register, and then one can chsoe the applicable edition of the NEC.