The L-Series standard strike is the 10-072 and the available lip lengths are listed below.
7/8" (Flat or straight lip)
1"
1 3/16" (Standard for 1 3/4" doors)
1 1/2"
1 3/4"
2"
over 2" up...
Von Duprin doesn't offer any electric strike to fit into 1 1/2" aluminum/metal faced frame. Minimum requirement to install 6211/6211AL is 1 15/32" mortise depth.