Kollmorgen does not offer power or feedback cables for the EKM series servomotors. Typically customer's will build their own cables for applications using the EKM motors.
The EKM motor connector part numbers are shown in the EKM Catalog (attached to this article).
The corresponding mating connectors are as follows:
EKM2 and 3 – D38999/26FB5SN
EKM4 – D38999/26FC4SN
EKM5, 6, and 7 – D38999/26FE6SN
ALL – D38999/26FB35SN