Siemens SIMOSEC - Preconditions for Operation

832-6063.0 * OPERATION SIMOSEC * REVISION 02 83
Operation
Possible switch positions of the make-proof grounding switch
20.2 Preconditions for operation
Preconditions for operating the make-proof grounding switch:
• Switchgear ready for service
• Operating lever available
• Absence of voltage, feeder isolated
Fig. 67: Switch positions of the make-proof grounding
switch with detachable lever mechanism
a
GROUNDED position
s
OPEN position
GROUNDED
- Make-proof grounding
switch closed
- Cable connection com-
partment unlocked
OPEN
- Make-proof grounding
switch open
- Cable connection com-
partment locked