March 4, 2019
© S&C Electric Company 1955-2019, all rights reserved
Instruction Sheet 761-505
S&C Alduti-Rupter
®
Switches
Outdoor Distribution (34.5 kV, 46 kV, and 69 kV)
★
Three-Pole Double-Break Style
Reciprocating Operating Mechanism
★
This instruction sheet applies to 34.5-kV and 46-kV switches with catalog number supplement “-R10,” and to 69-kV switches with no catalog num-
ber supplement. For 34.5-kV and 46-kV switches with catalog number supplement “-R11,” please refer to your local S&C Sales Office or to Instruction
Sheet 761-511 on
sandc.com.
Installation and Operation
Table of Contents
Section Page
Section Page
Introduction
Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Read this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Retain this Instruction Sheet. . . . . . . . . . . . . . . . . . . 2
Proper Application . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Warranty Qualifications . . . . . . . . . . . . . . . . . . . . . . 3
Safety Information
Understanding Safety-Alert Messages . . . . . . . . . . . 4
Following Safety Instructions . . . . . . . . . . . . . . . . . . 4
Replacement Instructions and Labels . . . . . . . . . . . 4
Location of Safety Labels . . . . . . . . . . . . . . . . . . . . . 5
Safety Precautions
. . . . . . . . . . . . . . . . . . . . . . . . . 6
Shipping and Handling
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Installation
Mounting to Wood . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Operating Pipe Preparation . . . . . . . . . . . . . . . . . . . 9
Uncrating the Switch . . . . . . . . . . . . . . . . . . . . . . . . . 9
Attaching Couplings to Switch Poles . . . . . . . . . . . . 9
Attaching the Bell-Crank . . . . . . . . . . . . . . . . . . . . . .10
Lifting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Installing Pipe Couplings with
Piercing Set Screws . . . . . . . . . . . . . . . . . . . . . . .12
Installing Interphase Pipe . . . . . . . . . . . . . . . . . . . . .13
Installing Vertical Operating Pipe . . . . . . . . . . . . . . .14
Installing Operating Handle . . . . . . . . . . . . . . . . . . .16
Checking Alignment . . . . . . . . . . . . . . . . . . . . . . . . .18
Installing Key Interlock . . . . . . . . . . . . . . . . . . . . . . 20
Checking Operation . . . . . . . . . . . . . . . . . . . . . . . . .21
Connecting High-Voltage Connectors . . . . . . . . . . 28
Operation
Opening and Closing the Switch . . . . . . . . . . . . . . 29
