We can offer a PBT2-6-750-F – https://commerce.ilsco.com/documents/PDF/TechnicalDrawing/M3064.pdf

Whole family

https://commerce.ilsco.com/e2wShoppingCatalog.aspx?parentId=3100013049&parentLink=2100001183:3100012208:3100012314:3100013049

These are fully rated based on the NEC Ampacity tables.