Where Can I Find a CSI Specification Document for Powerlink Panelboards?
The specification numbers and titles are 26 09 26 20 "Branch Circuit Lighting and Appliance Control System, 480Y/277 Volts AC Maximum" and/or 26 24 16.16 "Intelligent Panelboards".
These documents can be downloaded here:
26 24 16.16 Intelligent Panelboards: https://www.se.com/us/en/download/document/26_24_16-16/
All Powerlink Intelligent Panelboards documents: https://www.se.com/us/en/product-range/7340-powerlink-intelligent-panelboards/