S&C Instruction Sheet 681-510 11
Operation
Operating from Closed to Open Position
STEP 1.
WARNING
Make sure to complete pre-operational checks
shown on pages 9 and 10 prior to operation.
Failure to do so can result in equipment damage and
personal injury.
Make sure Steps 1 through 3 on pages 9 and 10
are completed.
STEP 2.
Insert the manual operating handle into
the notch of the operating mechanism. See
Figure 14.
STEP 3.
Rotate the manual operating handle in
the counterclockwise direction to the
Open
position to open the load-interrupter switch
or fault interrupter. See Figures 15 and 16.
STEP 4.
When operating from the
Closed
to
Open
position, the operating handle must be rotated
all the way to the
Stop
position, as shown on the
label, to open (and recharge) the mechanism.
See Figure 16. For three-pole fault interrupters,
the operating handle cannot be removed until
the mechanism is fully charged.
STEP 5.
Open the viewing window cover again and
confi rm the position of the load-interrupter
switch or fault interrupter by visually observing
the position of the blades.
Figure 16. The load-interrupter switch or fault interrupter in the
Open position.
Figure 14. Opening the load-interrupter switch or fault
interrupter.
Manual operating handle
Figure 15. Rotate all the way to the Stop position.
Stop position
