Panel metering switches fall generally into two groups - Ammeter and Voltmeter switches. Ammeter switches can be directly connected, but more generally are fed from current transformers (C/T's). When C/T fed, the switch must have make-before-break contacts when switching between phases, as an open circuit could generate dangerously high voltages.
We show some standard sequences in this data sheet, however if you need a special arrangement, please contact our sales team for assistance.