6AV6643-0CD01-1AX1 — Siemens — SIMATIC MP277 10″ Touch Multi Panel
the i tem now replaced by a MP 277/MP 377 panel family, but they have been discontinued themselves since 2015.
Now you only option is to use a new-generation Comfort panel; these can only be programmed with WinCC v13 Comfort (or higher version).
if you need it just for maintenance,we can provide you equivalent.or use use this new version COMFORT PANEL type : 6AV2124-0MC01-0AX0, but a little minor adjustments code.
$520.00