Functions of the outputs of the 3KC6 transfer switching equipment

Outputs 63/64: Availability of sources

These outputs provide permanent feedback about the availability of sources:

The outputs are open when both sources, that is, source I and source II, are not available.

The outputs are closed when at least one source, that is, either source I and/or source II, is available.

Outputs 73/74

These outputs are not assigned.