13. Installation Best Practices · Page 5 of 6
Retrofitting SPDs into Existing Boards
Working in live facilities.

Space claims
Survey DIN space and cable bending room before ordering wide multi-pole assemblies.
Outage windows
Plan energization tests and status checks inside the approved outage.
Partial rollout
If budget is phased, protect MDB + most critical SDBs first, then expand.
