Alduti-Rupter
®
Switches
Outdoor Distribution (14.4 kV and 25 kV)
Three-Pole Side-Break Heavy-Duty Style
Reciprocating Operating Mechanism
Installation
Table of Contents
Section Page
Section Page
Introduction
Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Read this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Retain this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Proper Application . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Operating Considerations . . . . . . . . . . . . . . . . . . . . . 4
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Warranty Qualifications . . . . . . . . . . . . . . . . . . . . . . 4
Safety Information
Understanding Safety-Alert Messages . . . . . . . . . . . 5
Following Safety Instructions . . . . . . . . . . . . . . . . . . 5
Replacement Instructions and Labels . . . . . . . . . . . 5
Location of Safety Labels . . . . . . . . . . . . . . . . . . . . . 6
Safety Precautions
. . . . . . . . . . . . . . . . . . . . . . . . . 7
Shipping and Handling
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Installation
Operating Pipe Preparation . . . . . . . . . . . . . . . . . . .10
Mounting to Wood . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Uncrating the Switch . . . . . . . . . . . . . . . . . . . . . . . . .10
Attaching Couplings to Switch Poles . . . . . . . . . . . .10
Attaching the Bell-Crank Assembly . . . . . . . . . . . . .11
Attaching Couplings
to the Bell-Crank Assembly . . . . . . . . . . . . . . . . .11
Lifting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Installing Pipe Couplings
with Piercing Set Screws . . . . . . . . . . . . . . . . . . .13
Installing the Interphase Pipe . . . . . . . . . . . . . . . . . .13
Installing the Vertical Operating Pipe . . . . . . . . . . . .14
Installing the Operating Handle . . . . . . . . . . . . . . . .15
Checking Alignment . . . . . . . . . . . . . . . . . . . . . . . . .17
Installing the Key Interlock . . . . . . . . . . . . . . . . . . . .18
Checking Operation . . . . . . . . . . . . . . . . . . . . . . . . .19
Connecting the High-Voltage Conductors . . . . . . . 23
Operation
Opening and Closing the Switch . . . . . . . . . . . . . . 24
December 6, 2021
© S&C Electric Company 1953-2021, all rights reserved
Instruction Sheet 761-545
