Nidec Commander C300 PM/HS30 PM Guía Detallada Del Usuario página 17

Figure 1-2 Size 7, 8 and 9A power and ground connections (size 7 shown)
Internal EMC
filter
8
9A
On size 7 and 8, the supply and motor ground connections are made using the M8 studs located by the
supply and motor connection terminals.
On size 9A, the supply and motor ground connections are made using the M10 studs located by the
supply and motor connection terminals.
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Commander C300 PM Step By Step Guide Size 5-9