For connections to NSXm and NSX circuit breakers, the recommendation is to use the solution offered by the range (accessory LV429348). Note that this recommendation does not work with high power connections.
You can access the product landing page of this accessory:
https://www.se.com/ww/en/product/LV429348/connection-accessories%2C-compact-nsx%2C-easypact-cvs%2C-voltage-tap-for-aluminium-connectors%2C-6.35-mm%2C-1-or-2-cables%2C-set-of-10-parts/
Find here the assembly guide for PrismaSeT Active:
https://www.se.com/ww/en/download/document/DOCA0204EN/ (English)
https://www.se.com/ww/en/download/document/DOCA0204FR/ (French)
You can access the product landing page of this accessory:
https://www.se.com/ww/en/product/LV429348/connection-accessories%2C-compact-nsx%2C-easypact-cvs%2C-voltage-tap-for-aluminium-connectors%2C-6.35-mm%2C-1-or-2-cables%2C-set-of-10-parts/
Find here the assembly guide for PrismaSeT Active:
https://www.se.com/ww/en/download/document/DOCA0204EN/ (English)
https://www.se.com/ww/en/download/document/DOCA0204FR/ (French)