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S&C Omni-Rupter Series User Manual

S&C Omni-Rupter Series
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October 26, 2020
© S&C Electric Company 2011-2020, all rights reserved
Instruction Sheet 765-510
Omni-Rupter
®
Switch
Outdoor Distribution
(14.4 kV through 34.5 kV)
Three-Pole Side-Break Integer Style
Rotating Operating Mechanism
Upright, Upright Extra Mounting Clearance, Triangular, and
Inverted Mounting Configurations
Upright Mounting Configuration
Triangular Mounting Configuration
Inverted Mounting Configuration
Installation and Operation
Table of Contents
Section Page Section Page
Introduction
Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Operating Considerations . . . . . . . . . . . . . . . . . . . . . 2
Read this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Retain this Instruction Sheet. . . . . . . . . . . . . . . . . . . 2
Proper Application . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Installation
Operating Pipe Preparation . . . . . . . . . . . . . . . . . . . 9
Mounting to Wood . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Mounting the Switch Assembly. . . . . . . . . . . . . . . . .10
Installing the Optional Pole Band . . . . . . . . . . . . . . .13
Installing the Vertical Operating Pipe . . . . . . . . . . .14
Installing the Operating Handle . . . . . . . . . . . . . . . .16
Installing the Optional Phase-to-Ground
Wildlife Protection . . . . . . . . . . . . . . . . . . . . . . . .18
Installing the Base Covers . . . . . . . . . . . . . . . . . . . .19
Installing the Wildlife Disks . . . . . . . . . . . . . . . . . . 20
Dead-Ending Conductors . . . . . . . . . . . . . . . . . . . . 24
Connecting High-Voltage Conductors . . . . . . . . . . 24
Locking the Operating Handle . . . . . . . . . . . . . . . . 26
Checking Operation . . . . . . . . . . . . . . . . . . . . . . . . 28
Operation
To Open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
To Close . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
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S&C Omni-Rupter Series Specifications

General IconGeneral
CategorySwitch
Mechanical Life10, 000 operations
Continuous Current600A
Electrical Life100 operations at rated interrupting current
Enclosure TypeOutdoor

Summary

Introduction to Omni-Rupter Switch

Qualified Persons for Operation

Defines qualified personnel for installation, operation, and maintenance of electrical equipment.

Operating Considerations

Discusses manual operation, avoiding partial strokes, and checking blade position for safe operation.

Instruction Sheet Guidance

Advises thorough reading of the instruction sheet and related materials for proper installation and operation.

Proper Application

Specifies equipment usage must be within its rated applications and parameters for reliable performance.

Warranty Information

Details the exclusive warranty terms, conditions, and limitations of liability for the product.

Safety Information and Precautions

Understanding Safety Alerts

Explains the meaning of DANGER, WARNING, CAUTION, and NOTICE messages and their significance.

Following Safety Instructions

Provides guidance on seeking assistance from S&C or authorized distributors for unclear instructions.

Replacement Instructions and Labels

Guides on obtaining replacement labels and emphasizes the importance of maintaining equipment labeling.

Safety Label Locations

Illustrates the physical locations of various safety labels on the switch and provides reorder information.

Safety Precautions

Lists critical safety measures for operating Omni-Rupter switches at high voltage, including personal protection and procedures.

Shipping and Handling

Packing Procedures

Details the contents of a standard shipment, including switch assembly, pipe sections, and hardware.

Shipment Inspection

Outlines procedures for inspecting shipments for damage upon receipt and filing claims with the carrier.

Safe Handling Practices

Provides warnings and cautions for safely lifting, uncrating, and handling the Omni-Rupter switch.

Installation Procedures

Operating Pipe Preparation

Instructs on cutting vertical operating pipe to the required length, referencing erection drawings for dimensions.

Mounting to Wood Poles

Details drilling pole holes and securing the switch mounting bracket using through-bolts and washers.

Mounting Switch Assembly (Upright)

Guides on lifting and positioning the upright mounting configuration switch onto the utility pole.

Mounting Switch Assembly (Inverted)

Explains the process for lifting and positioning the inverted mounting configuration switch onto the pole.

Mounting Switch Assembly (Triangular)

Provides steps for lifting and positioning the triangular mounting configuration switch onto the utility pole.

Installing Optional Pole Band

Describes how to securely attach the optional pole band to the switch mounting bracket and the pole.

Vertical Operating Pipe Assembly

Details attaching the universal coupling to the switch and the initial vertical operating pipe section.

Vertical Operating Pipe Sections

Explains how to assemble intermediate pipe sections using splice couplings and guide bearings.

Operating Handle Installation

Guides on installing the operating-handle assembly and foot-bearing support plate onto the vertical pipe.

Operating Handle Adjustment

Details adjusting stop plates for the operating mechanism to remove play and ensure proper handle tension.

Optional Wildlife Protection

Introduces the phase-to-ground wildlife protection option to prevent animal contact and lists components.

Installing Base Covers

Provides instructions for attaching base covers to the steel base of upright mounting configuration switches.

Wildlife Disk Placement (Upright)

Explains correct placement of wildlife disks on insulators for 14.4-kV and 25-kV upright mounting configurations.

Wildlife Disk Placement (Inverted)

Details wildlife disk placement on insulators for inverted mounting configurations of 14.4-kV and 25-kV switches.

Wildlife Disk Assembly

Describes fitting and securing the wildlife disk halves around the insulator using locking tabs.

Wildlife Disk & Cover Installation

Details completing wildlife disk assembly and installing the pole-mounting bracket cover for upright configurations.

Dead-Ending Conductors

Discusses dead-ending provisions, maximum loading limits, and requirements for conductor connections.

Connecting High-Voltage Conductors

Provides procedures for preparing and connecting high-voltage conductors to the switch terminal pads.

Operating Handle Locking

Explains how to secure the operating handle using padlocks or by installing a key interlock mechanism.

Key Interlock Assembly

Details the assembly and adjustment of the key interlock system for proper sequencing of switching operations.

Switch Operation Alignment Check

Guides on checking switch operation, ensuring blade alignment and contact engagement in closed position.

Shunt Arm and Contact Checks

Details checks for interrupter and shunt arm alignment and proper contact engagement during opening and closing.

Final Operation Checks

Covers final checks on blade entry, shunt arm positioning, and contact clearance for proper switch function.

Operation of Omni-Rupter Switch

Opening the Switch

Provides step-by-step instructions for safely opening the Omni-Rupter Switch without hesitation.

Closing the Switch

Provides step-by-step instructions for safely closing the Omni-Rupter Switch without hesitation.

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