Remember: In engineering, . A 2500A circuit carries enormous energy – never guess when it comes to fuses and CTs. Always verify ratings with a licensed electrician or engineer.
If you have physical access to the component, re-examine the label. Take a photo and use reverse image search or contact the manufacturer with the clean text: "2500A CT, 92kAIC fuse, air conditioning application" . airct2500k92000fusaes better