When building an enclosed D line starter in the product selector the part number is LESD instead of LE1D, why is this?

Issue:
Difference between LESD and LE1D enclosed IEC Starter

Product Line:
Enclosed IEC D line Starters

Environment:
Products sold and used in the United States
Cause:
Ordering a single phase enclosed D line IEC starter

Resolution:
The LE1D part number indicated a three phase starter, while the LESD indicates that this will be a single phase starter.