YASKAWA FSDrive-MV1000 Series - Mechanical Interlock

16 YASKAWA ELECTRIC EZZ010926 FSDrive-MV1000 Instructions
i.3 Mechanical Interlock
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 that used with the drive.
To open the panel door for the high voltage section of the drive, use the following procedure.
1.
Turn off the incoming circuit breaker and remove the key of the mechanical interlock.
2. Use the key to unlock the mechanical lock of the drive.
Figure i. 1
Figure i.1 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