Your search query on "FALK Variable Frequency Drives" returned the following results:

Falk 1262WOF3S-7.5AC Omnibox Worm Speed Reducer, 7.5:1 Ratio 4.26HP Input (167059175480)

Rexnord 5115J25A Basic Drive, LK Quadrive (126691786623)

Falk 2110F3 38.38; 150 125 100 HP; 110F 1110F ; 12 mo. warranty stk# 03455 (256634240813)