You just selected:
Code Gecko
9920-101490
WALL MOUNT BRACKET IN.Y (KIT)
includes: in.y's rectangular mounting plate 2 x srews to install on the pack (Tap screw Type B, #6 x 1/2'' philips pan head, SS)
You should also consider these companion products:
Code Gecko
0612-300001
BDLYJ3K300 IN.YJ-3 IN.K300 CABLES
Code Gecko
0612-300002
BDLYJ3K200 IN.YJ-3 IN.K200 CABLES