S&C Vista Series User Manual

16 S&C Instruction Sheet 681-510
Operation
Locking Out of the Grounded position
To prevent the operation of a load-interrupter switch or
fault interrupter into the Grounded position, insert a
padlock through the OPERATION selector and the right-
side hole of the locking collar. See Figure 26.
Locking Out of the Closed position
To prevent the operation of a load-interrupter switch or
fault interrupter into the Closed position, insert a padlock
through the OPERATION selector and the left-side hole of
the locking collar. See Figure 27.
Locking In Closed, Open, or Grounded
Position
To lock a load-interrupter switch or fault inter rupter into
position, insert a padlock through the Operating disk and
the center hole in the locking collar. See Figures 28, 29,
and 30.
Figure 29. Locked in the Open position.
Figure 30. Locked in the Grounded position.
Figure 28. Locked in the Closed position.
Figure 27. Locked out of the Closed position.
Operating disk
Operation selector
Figure 26. Locked out of the Grounded position.
Operating disk
Operating disk
Operation selector
Locking collar
Operation selector
Operating disk
Operation selector
Operation selector

S&C Vista Series Specifications

General

Voltage Rating	Up to 38 kV
Continuous Current	600 A
Frequency	60 Hz
Interrupting Rating	Up to 25 kA
Interrupting Current	20 kA, 25 kA
BIL	95 kV, 125 kV, 150 kV
Insulation Medium	SF6
Enclosure Type	Metal-clad or Metal-enclosed
Number of Ways	2, 3, 4, 5, or 6
Switching Mechanism	Vacuum Interrupters
Operating Mechanism	Manual
Standards Compliance	IEEE C37.60
Fault Interruption	Yes