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The board carries field output circuits associated with an IS220PDOAH1B pack. Replacement work must preserve the exact terminal identity, output assignments, load voltage and protective arrangement recorded for the installed panel.
Important Notice: The manufacturer manual confirms the IS200SRLYH2A base family; preserve the complete IS200SRLYH2AAA marking from the supplied order identity and do not infer suffix equivalence.
The manufacturer excerpt contains selected unchanged official pages. The installation guide organizes identification, preparation, restoration and witnessed acceptance.