Mechanical Interlock; Mechanical Interlock - YASKAWA FSDrive-MV1000 Series Instructions Manual

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
16
A
A – Medium voltage panel
(Power Cells)
B – Low voltage panel
(Controller)
Figure i.1 Specification of Interlock Key (Kirk Key type F-Flat mounted)
B
C
C – Medium voltage panel
(Transformer)
YASKAWA ELECTRIC EZZ010926 FSDrive-MV1000 Instructions