Rockwell Automation 284D ArmorStart - Safety Version - User Manual - Manual (Page 24)

2-6 Installation and Wiring
Dimensions are shown in millimeters (inches). Dimensions are not
intended to be used for manufacturing purposes. All dimensions are
subject to change.
Figure 5 Dimensions for Bulletin 281D Safety Product, IP67/NEMA Type 4
with Conduit Entrance