What are the differences between the MNB-Vx and the MNB-Vx-2 controllers?

Issue

The MNB-Vx (MNB-V1, MNB-V2) controllers are shown as replaced by the MNB-Vx-2 (MNB-V1-2, MNB-V2-2) on iPortal.  What is the difference?

Product Line

TAC I/A Series

Environment

MNB-V1 (-2)

MNB-V2 (-2)

Cause

Production change

Resolution

There are no functional differences between the MNB-V2 and the MNB-V2-2 controllers.
The part number was changed to allow tracking of an internal manufacturing change in the actuator part of the assembly.