S&C Mark V Instructions For Field Assembly And Installation

S&C Circuit-Switchers
- Mark V Grounding Switches - 70,000 Amperes Momentary
Outdoor Transmission
I
With
go-degree opening blades
perpendicular to bases when open
For Circuit-Switchers rated 230 kv
INSTALLATION
- Continued
Step 12
Ground the vertical operating pipe as follows. Fasten
the end of the flexible strap having the shorter ferrule
to the vertical operating-pipe section, a few inches
above the manual operating handle, using the connector
provided. Then connect the free end of the flexible strap
to a suitable earth ground, using the grounding connector
at that end of the strap.1
Step 13
If the S&C Manual Geared Operating Handle is
furnished with an auxiliary switch, catalog number
suffix
“-Q” ‘or “-W,” the switch will be mounted inside
the operating-handle enclosure, along with a terminal
block for user’s connections. Each auxiliary-switch
contact is operated by a cam-actuated roller. A contact
is closed if its roller is disengaged from a cam and,
conversely, a contact is open if its roller is engaged by
a cam. The cams are individually adjustable in
4.5-degree increments. Adjustment of the cams is
accomplished as follows:
(a) Raise (or lower) the cam toward its adjacent spring
until the cam is separated from the teeth of the inner
gear. See Figure 4.
(b) Rotate the cam to advance or retard engagement
with its roller.
: The grounding recommendations herein may differ from the standard
operating and safety procedures of certain electric utility companies.
Where a discrepancy exists, the operating procedures of the
electric utility
apply.
(c) Lower (or raise) the cam making sure that the teeth
are in mesh with the inner gear.
Terminal Block
(included with
optional auxiliary
switch)
I-
Optional Auxiliary
Switch (catalog
number suffix
“Q’ or “+,q
I
Conduit-Entrance Plate
Padlocking
Provision
Optional Key Interlock
(catalog number suffix
“-L”)
Figure 3. S&C Manual Geared Operating Handle.
71 l-630
INSTRUCTION SHEET
Page 8 of 9
S&C ELECTRIC COMPANY. Chicago
July 14,1986
S&C ELECTRIC CANAOA LTD.* Rexdale

S&C Mark V Specifications

General

Brand	S&C
Model	Mark V
Category	Switch
Language	English