December 12, 2016
© S&C Electric Company 1961-2016, all rights reserved
Instruction Sheet 761-515
S&C Alduti-Rupter® Switches
Outdoor Distribution (14.4 kV and 25 kV)
Three-Pole Vertical-Break Style
Rotating 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 ..............................2
Operating Considerations ........................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
Before Starting ................................9
Mounting to Wood .............................. 9
Operating Pipe Preparation ......................9
Attaching Couplings to the Switch Poles ............ 10
Attaching Couplings to Outboard Bearings .......... 12
Installing the Switch to the Mounting Structure ....... 12
Installing Pipe Couplings with Piercing Set Screws ... 13
Installing the Interphase Operating Pipe ............ 14
Installing the Vertical Operating Pipe .............. 15
Installing the Rotating Operating Handle ........... 18
Installing Operating Handle with Key Interlock ....... 19
Checking Alignment and Adjusting the Stop Plates ...22
Checking Operation ...........................24
Connecting High-Voltage Conductors ..............26
Operation
Opening and Closing the Switch ..................27
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