What is the mounting collar for the ZBRT1 and ZBRT2 wireless transmitters?

Issue:
Identify the part numbers for 22mm wireless push buttons mounting collars

Product line:
XB5 22mm Harmony Wireless Push Buttons

Environment:
Push Buttons and Operator Interface

Resolution:
The mounting collar for plastic operators (ZB5 series) is ZB5AZ009.
The mounting collar for metal operators (ZB4 series) is ZB4BZ009

Released for:Schneider Electric UK