Yes, It is possible to use this device on the MTZ/NW masterpact withdrawable breaker when installed inside the BlokSeT Switchboard. This device is used to rack in / rack out remotely the Masterpact breaker. This is specifically developed for MTZ/NW Masterpact. Hence will not have any issue in using in BlokSeT panel.

https://download.schneider-electric.com/files?p_enDocType=Brochure&p_File_Name=S0613BR1101EPR0.pdf&p_Doc_Ref=S0613BR1101EP

Attached use manual of this product.

Released for:Schneider Electric Hong Kong