Power Operation; Instruction Sheet - S&C Mark V Assembly And Installation Instructions Manual

S&C Circuit-Switchers - Mark V
I
integer Style
Outdoor Transmission
34.5 kv through 69 kv
INTRODUCTION - Continued
Power Operation
amperes rms three-phase symmetrical, 76,500 amperes
High-speed, high-torque power operation of S&C
peak (see "Basis of Fault-Closing Ratings" on page 3).
Mark V Integer Style Circuit-Switchers is required to
Power operation of Mark V Integer Style Circuit-
provide a two-time duty-cycle fault-closing rating of 30,000
Switchers also provides opening and closing without
S&C Switch
Type CS-IA
S&C Mounting Pedestal
Operator-
Conduit for shunt-trip device --&J-z
'#
%
a *
Figure 1. S&C Mark V Three-Pole Integer Style Circuit-Switcher rated 69 kv nominal, 1200 amperes continuous, equipped
with S&C Shunt-Trip Device.
71 l-500
INSTRUCTION SHEET
Page 2 of 12 S&C ELECTRIC COMPANY
l
Chicago
December 16,199l
S&C ELECTRIC CANADA LTD.
l
Toronto