I have purchased a GFCI 60 amp disconnect but want to make sure it is not to big for my need. The plate only describes the voltage. I was going to run a 50 amp but have not been able to find any information regarding the specs for this hot tub. I can send a pic of the pack if it helps

Your 60 amp breaker should be fine. :. Correct Tech Inc. - First quality products for Spa Control Systems, Hot Tub Spa Products-Spa Parts-Equipment Packs & Control Systems

A couple of observations;

First is the title of your post states "240V DC"

Is that a typo? Should be AC.

Second, the spec sheet Ballenger found for you states there is a built in GFCI, so why the need for a GFI circuit breaker?