If you need a bigger box, here's what I found...not sure if this is what you're looking for or not.

I don't know if there's a way to link to this page or not but here's a direct link to try.

[Link: mcmaster.com]

If that doesn't work, go to www.mcmaster.com and search for "75405k61" then click on "Catalog Page" below the information box that pops up. Then scroll down to "NEMA 12 and NEMA 4 Contemporary Style Steel Enclosures with Window"