YASKAWA FSDrive-MV1000 Series - Mechanical Interlock

i.3 Mechanical Interlock
YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 17
i.3 Mechanical Interlock
To use a mechanical interlock with 2 kV class and 4 kV class drives, install the same mechanical interlock on the
incoming circuit breaker panel as is used with the drive.
1.
Turn off the incoming circuit breaker and remove the mechanical interlock key.
2. Use the key to unlock the mechanical lock of the drive.
Figure i.9
Figure i.9 Specification of Interlock Key (Kirk Key type F-Flat mounted)
A – Medium voltage panel
(Power Cells)
C – Medium voltage panel
(Transformer)
B – Low voltage panel
(Controller)
A
B
C
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