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S&C Alduti-Rupter User Manual

S&C Alduti-Rupter
29 pages
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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

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S&C Alduti-Rupter Specifications

General IconGeneral
BrandS&C
ModelAlduti-Rupter
CategorySwitch
LanguageEnglish

Summary

Introduction

Qualified Persons

Defines the qualifications required for personnel involved in installation, operation, and maintenance.

Read this Instruction Sheet

Emphasizes the importance of thoroughly reading the instruction sheet and related materials before proceeding.

Retain this Instruction Sheet

Instructs users to keep the instruction sheet as a permanent part of the product for future reference.

Proper Application

Specifies that the equipment is intended for specific applications within its rated parameters.

Warranty

Details the standard warranty conditions and obligations for purchasers of the switch.

Warranty Qualifications

Outlines conditions that affect the standard warranty, such as using non-S&C operators.

Safety Information

Understanding Safety-Alert Messages

Explains the meaning and importance of DANGER, WARNING, CAUTION, and NOTICE safety alert messages.

Following Safety Instructions

Provides guidance on seeking assistance and reinforces the need to follow all safety instructions.

Replacement Instructions and Labels

Details how to obtain replacement instruction sheets and labels, and the importance of keeping labels intact.

Location of Safety Labels

Identifies the locations of safety labels (A, B, C, D) on the equipment and provides reorder information.

Safety Precautions

Shipping and Handling

Inspection

Provides procedures for inspecting the shipment for visible or concealed loss and damage.

Packing

Instructs users to check the bill of materials against the shipment and lists included components for standard arrangements.

Handling

Details safe handling procedures for the switch pole-units, emphasizing proper lifting and avoiding damage.

Installation

Mounting to Wood

Provides instructions for mounting the switch to a wood structure, including fastener requirements.

Operating Pipe Preparation

Covers cutting operating pipes to length before installation, referring to erection drawings.

Uncrating the Switch

Outlines the initial steps for uncrating switch poles and bell-crank bases, and protecting bearings.

Attaching Couplings to Switch Poles

Details how to attach pipe couplings to the toggle mechanism of each switch pole, using spacers as needed.

Attaching the Bell-Crank

Explains how to attach the bell-crank to its base or bracket, including linkage connections.

Lifting the Switch

Provides critical warnings against lifting the switch by live parts to prevent damage and electrical shock.

Installing Pipe Couplings with Piercing Set Screws

Details the proper installation of pipe couplings using piercing set screws to ensure secure connections.

Installing Interphase Pipe

Guides the installation of pipe sections connecting the switch poles and the bell-crank.

Installing Vertical Operating Pipe

Describes the installation of the vertical operating pipe section, particularly the threaded end.

Installing Operating Handle

Covers mounting the operating handle assembly and installing the lowest vertical operating-pipe section.

Checking Alignment

Details steps to remove ties and studs, and slowly operate the switch to check for alignment issues.

Installing Key Interlock

Explains the attachment and setup of the key interlock group for proper switch operation sequencing.

Checking Operation

Guides the user through slowly opening and closing the switch to verify proper alignment and contact closure.

Connecting High-Voltage Conductors

Provides procedures for connecting high-voltage conductors using aluminum-alloy body connectors.

Opening and Closing the Switch

Details the safe procedure for operating the switch, including removing padlocks and swinging the handle rapidly.

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