You only need call switchres in your ".cmd" or ".bat" file with desired refresh rate--> call "switchres.exe" -s 416 240 60 -l "%fullpath%run.lnk"
For switchres.ini, by default searches in the same directory or use -i argument
Usage: switchres <width> <height> <refresh> [options]
Options:
-c, --calc Calculate video mode and exit
-s, --switch Switch to video mode
-l, --launch <command> Launch <command>
-m, --monitor <preset> Monitor preset (generic_15, arcade_15, pal, ntsc, etc.)
-a --aspect <num:den> Monitor aspect ratio
-r --rotated Original mode's native orientation is rotated
-d, --display <OS_display_name> Use target display (Windows: \\\\.\\DISPLAY1, ... Linux: VGA-0, ...)
-f, --force <w>x<h>@<r> Force a specific video mode from display mode list
-i, --ini <file.ini> Specify an ini file
-b, --backend <api_name> Specify the api name
-k, --keep Keep changes on exit (warning: this disables cleanup)