What is the difference between a 9001KR9R and a 9001KR9RM94?

Issue:
Difference between 9001KR9R and 9001KR9RM94

Product Line:
Push Buttons and Operator Interface

Environment:
Harmony 30 mm 9001 Push Buttons

Cause:
Product Features

Resolution:
The mushroom head on a 9001KR9R is a screw-on, 40mm and plastic.
The 9001KR9RM94 mushroom head is screw on with set screw, 40mm and metal.

Released for:Schneider Electric Australia