YASKAWA FSDrive-MV1000 - Notes on Using Drives

i.3 Mechanical Interlock
YASKAWA ELECTRIC TOEP C710687 03B FSDrive-MV1000 Parameter Guide 15
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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