S&C Alduti-Rupter Instruction Sheet
  1. Manuals
  2. Brands
  3. S&C Manuals
  4. Switch
  5. Alduti-Rupter
  6. Instruction sheet
S&C Alduti-Rupter Instruction Sheet

S&C Alduti-Rupter Instruction Sheet

Hide thumbs Also See for Alduti-Rupter:
Table of Contents

Advertisement

Quick Links

Download this manual
Alduti-Rupter
Switches
®
Outdoor Distribution (14.4 kV and 25 kV)

Table of Contents

Section
Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Read this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Retain this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Proper Application . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Operating Considerations . . . . . . . . . . . . . . . . . . . . . 4
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Warranty Qualifications . . . . . . . . . . . . . . . . . . . . . . 4
Understanding Safety-Alert Messages . . . . . . . . . . . 5
Following Safety Instructions . . . . . . . . . . . . . . . . . . 5
Replacement Instructions and Labels . . . . . . . . . . . 5
Location of Safety Labels . . . . . . . . . . . . . . . . . . . . . 6
. . . . . . . . . . . . . . . . . . . . . . . . . 7
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
December 6, 2021
© S&C Electric Company 1953-2021, all rights reserved
Three-Pole Side-Break Heavy-Duty Style
Reciprocating Operating Mechanism
Installation
Page
Section
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
to the Bell-Crank Assembly . . . . . . . . . . . . . . . . .11
Lifting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . .11
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
Opening and Closing the Switch . . . . . . . . . . . . . . 24
Instruction Sheet 761-545
Page

Advertisement

Table of Contents
loading

Related Manuals for S&C Alduti-Rupter

Summary of Contents for S&C Alduti-Rupter

  • Page 1: Table Of Contents

    Alduti-Rupter Switches Three-Pole Side-Break Heavy-Duty Style ® Outdoor Distribution (14.4 kV and 25 kV) Reciprocating Operating Mechanism Installation Table of Contents Section Page Section Page Introduction Installation Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Operating Pipe Preparation .

  • Page 2: Introduction

    PDF format at sandc.com/en/support/ product-literature/ . Retain this This instruction sheet is a permanent part of your Alduti-Rupter Switch. Designate a location where Instruction you can easily retrieve and refer to this publication.

  • Page 3: Proper Application

    . Ratings and other application information can be found in Specification Bulletin 761-31 . In most applications, Alduti-Rupter Switches are capable of switching rated continuous load currents at full voltage. The ratings for the particular switch are listed on nameplates attached to the operating handle and the switch.

  • Page 4: Operating Considerations

    THAT RELATES TO THE GOODS, OR ANY REMEDIAL PROMISE INCLUDED IN PRICE SHEET 150 (or PRICE SHEET 153.) Warranty The standard warranty is applicable to the Alduti-Rupter Switch detailed in this instruction sheet except when it is power operated using a switch operator of other than Qualifications S&C manufacture.

  • Page 5: Safety Information

    Safety Information Understanding Several types of safety-alert messages may appear throughout this instruction sheet and on labels and tags attached to the Alduti-Rupter Switch. Familiarize yourself with these Safety-Alert types of messages and the importance of these various signal words:...

  • Page 6: Location Of Safety Labels

    Safety Information Location of Safety Labels Reorder Information for Safety Labels Location Safety Alert Message Description Part Number DANGER Electrocution Hazard G-6580 WARNING Piercing Set Screws G-3176R1 ● WARNING Handle Operation G-4400R5 WARNING Electrocution Hazard—Grounding Strap G-6596 ● ● This part is a tag to be removed and discarded after the switch is installed and adjusted . S&C Instruction Sheet 761-545...

  • Page 7: Safety Precautions

    Safety Information DANGER Alduti-Rupter Switches operate at high voltage. Failure to observe the precautions below will result in serious personal injury or death. Some of these precautions may differ from company operating procedures and rules . Where a discrepancy exists, users should follow their company’s operating procedures and rules .

  • Page 8: Shipping And Handling

    Shipping and Handling Inspection -S1 One tubular fiberglass insulating section in vertical operating shaft Examine the shipment for external evidence of damage as soon after receipt as possible, preferably before removal -S2 One Cypoxy™ Insulator unit in vertical operating from the carrier’s conveyance. Check the bill of lading to shaft make sure the listed shipping skids, crates, and contain- -S3 Insulated interphase sections and one fiberglass...

  • Page 9: Handling

    Shipping and Handling Handling The crate the switch pole-units are packed in is designed to be moved and lifted using a lift truck. Raised slots in the bottom of the crate are provided for a lift truck’s forks. Note: To minimize time-consuming final adjustments after installation, make sure the switch poles are in their fully Closed position during installation of the interphase and vertical operating pipe sections.

  • Page 10: Operating Pipe Preparation

    Installation Operating Pipe Preparation If desired, the operating pipes can be cut to length (if not precut at the factory) before proceeding to the job site. Cutting dimensions are shown on the erection drawing. One of the pipe sections furnished is threaded at one end to accommodate the operating handle assembly.

  • Page 11: Attaching The Bell-Crank Assembly

    Installation Attaching the Bell-Crank Assembly STEP 3. Attach the bell-crank assembly to its base or bracket (pole-mounted arrangements only). See Figure 5. Attaching Couplings to the Bell-Crank Assembly STEP 4. If a bell-crank assembly is mounted between switch poles, the bell crank will be connected to the interphase pipe by a drag-link pipe section and an offset coupling.
  • Page 12 Installation Hoist the bell-crank assembly, including base or STEP 6. bracket, and bolt it into position as shown on the erection drawing. See Figure 8. To minimize time-consuming final adjustments STEP 7. make sure the switch is fully closed. Tie the switch blades to their stationary main contacts.

  • Page 13: Installing Pipe Couplings

    Installation Installing Pipe Couplings with Piercing Set Screws Clamp bolt WARNING Failure to properly install pipe couplings with piercing set screws can cause slippage of operating pipe, resulting in improper operation of the switch, arcing, equipment damage, or electrical shock . Piercing Coupling body set screw...

  • Page 14: Installing The Vertical Operating Pipe

    Installation If the bell-crank assembly is mounted STEP 12. outboard of the switch poles: Install the pipe Connecting section connecting the driven arm of the bell- pipe crank to the nearest switch pole. See Figure 13. Follow the directions in the “Installing Pipe Couplings with Piercing Set Screws”...

  • Page 15: Installing The Operating Handle

    Installation STEP 14. Mount the rod guide(s) with the arm upward on the pole or structure in accordance with the dimension shown on the erection drawing. See Figure 16. A positioning stud is furnished which holds the rod guide arm at 45 degrees. When an adjustable rod guide is included (for the tiered- outboard switch mounting configuration only), it should be mounted nearest the switch.
  • Page 16 Installation STEP 17. Install the lowest vertical operating-pipe section by threading one end of the pipe into the Locknut coupling on the operating handle. Approximately ¼-inch (6 mm) of thread should extend through the coupling. Tighten the locknut. See Figure 19. STEP 18.

  • Page 17: Checking Alignment

    Installation Checking Alignment STEP 20. Remove the ties holding the switch blades to their stationary main contact assemblies. See Figure 22. STEP 21. Remove the 45-degree positioning stud from each rod guide. See Figure 17 on page 15. Open and close the switch slowly to ensure no STEP 22.

  • Page 18: Installing The Key Interlock

    Installation If a key interlock is used (standard minor modification suffix “-S6” or “-S6L”), proceed to Step 25. Otherwise, proceed to Step 27 on page 19. Locking disc Installing the Key Interlock STEP 25. The interlock group includes a Superior Type B4003-1 Mk II single- or multiple-key interlock (or equivalent), with zero bolt projection and ¾-inch (19 mm) bolt travel, locking disc, and...

  • Page 19: Checking Operation

    Installation Checking Operation STEP 27. Open and close the switch slowly through its Main full travel. contacts fully WARNING closed Open and close the switch slowly ONLY when checking alignment making adjustments to the de-energized switch . When opening or closing an energized switch, swing operating...
  • Page 20 Installation If none of the switch poles are fully closed, the effective length of the vertical operating pipe may need to be increased. Loosen the vertical operating-pipe clamp bolt on the lowest rod-guide (or bell-crank) coupling. See Figure 29. Move the operating handle approximately Clamp bolt 20 degrees from the Closed position and then torque the rod-guide (or bell-crank) coupling...
  • Page 21 Installation Loosen the two clamp bolts on the drive a r m of t he a d ju st able bel l cra n k. ● Figure 32. Shorten the drive arm of the adjust- able bell crank one step [1/8-inch (3.2 mm)] and retighten the bolts.
  • Page 22 Installation • In the fully Closed position, clearance between the STEP 28. Open and close the switch slowly several times. blade-closing cam and the interrupter-closing lever WARNING must be within the limit shown in Figure 33. Also, the clearance between the blade shunt contact and the Open and close the switch slowly ONLY when inter-rupter housing must be as shown in Figure 33.

  • Page 23: Connecting The High-Voltage Conductors

    Installation Connecting the High-Voltage Conductors STEP 29. When high-voltage conductors are to be connected using aluminum-alloy body connectors the following procedures should ● be used: (a) Thoroughly wire-brush the current-transfer surfaces of each connector and immediately apply a liberal coating of Penetrox® A to the brushed surfaces.

  • Page 24: Operation

    Operation Opening and Closing the Switch DANGER The interrupters and terminal pads of the Alduti-Rupter Switch may be energized with the interrupters in any position . Before inspecting, servicing, or repairing this switch or working on the conductors on either side of the switch, test for voltage using proper high-voltage test equipment .

Table of Contents