The minimum adjustment of the LV431630 is 175A.
The range is 175A to 250A.

https://www.clipsal.com/products/detail?CatNo=LV431630&itemno=LV431630&backto=/search?q=LV431630&tab-document-1=0
https://www.se.com/au/en/product/LV431630/circuit-breaker-compact-nsx250f%2C-36-ka-at-415-vac%2C-tmd-trip-unit-250-a%2C-3-poles-3d/