Hi,
Thank you so much for your interest in our products and for using our community.
For KE1xZ devices we have 4 evaluation boards: FRDM-KE15Z, FRDM-KE16Z, FRDM-KE17Z512 and FRDM-KE17Z. And just the FRDM-KE17Z512 has the IEC60730B Safety Library in the SDK version 2.16.000.
_Leo__0-1724883799539.png
However if you look for Middleware in MCUXpresso SDK Builder you can find all the SDKs that contains it.
_Leo__1-1724883810556.png
And for example, FRDM-KE15Z has this Middleware, but in SDK version 2.13.0:
_Leo__2-1724883823822.png
And apology for the confusion. And hope it helps you.
Have a nice day!