S&C Vista Series User Manual

10 S&C Instruction Sheet 681-510
Operation
Figure 13. In the far left position, the OPERATION selector allows
operation between the Open and Grounded positions.
Figure 11. In the far right position, the OPERATION selector
allows opera tion between the Closed and Open positions.
Operation Selector
Operation Selector
Figure 12. Rotating the OPERATION selector out of the way.
Operating disk
Operating disk
STEP 3. If the OPERATION selector is blocking the
operation, rotate the selector out of the way. The
OPERATION selector prevents inadvertent
operation directly from the Closed position to
the Grounded position, and vice versa. See
Figures 11 through 13.
Operation Selector
Operation Selector
Operating disk

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