S&C Vista Series User Manual

14 S&C Instruction Sheet 681-510
Operation
Operating from Open to Closed 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.
STEP 3. Rotate the manual operating handle in the
clockwise direction to a stop in the Closed
position to close the load-interrupter switch
or fault interrupter. See Figures 21 and 22.
STEP 4. Open the viewing window cover again and
con rm the position of the load-interrupter
switch or fault interrupter by visually observing
the position of the blades.
Figure 21. Closing the load-interrupter switch or fault
interrupter.
Figure 22. Load-interrupter switch or fault interrupter in the
Closed position.

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