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S&C Fault Tamer
Fuse Limiter
®
Outdoor Distribution (15 kV through 34.5 kV)
Table of Contents
Section
Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Read this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Retain this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Proper Application . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Understanding Safety-Alert Messages . . . . . . . . . . . 3
Following Safety Instructions . . . . . . . . . . . . . . . . . . 3
Replacement Instructions and Labels . . . . . . . . . . . 3
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Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
July 29, 2019
© S&C Electric Company 1995-2019, all rights reserved
Installation and Operation
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For Overhead Pole-Top Transformers
Section
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Instruction Sheet 451-500
Page
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Summary of Contents for S&C Fault Tamer
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Page 1: Table Of Contents
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Installing and Closing a Fault Tamer Fuse... -
Page 2: Introduction
Precautions on pages 3 and 4 . The latest version of this publication is available online in PDF format at sandc.com/en/support/product-literature/ . Retain this This instruction sheet is a permanent part of your S&C Fault Tamer Fuse Limiter. Designate a location where you can easily retrieve and refer to this publication. Instruction Sheet... -
Page 3: Safety Information
Understanding Several types of safety-alert messages may appear throughout this instruction sheet and on labels and tags attached to your S&C Fault Tamer Fuse Limiter. Familiarize yourself Safety-Alert with these types of messages and the importance of these various signal words:... -
Page 4: Safety Precautions
Safety Precautions DANGER Fault Tamer Fuse Limiters 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 your company’s operating procedures and rules . Where a discrepancy exists, follow your company’s operating procedures and rules . -
Page 5: Shipping And Handling
Shipping and Handling Inspection Examine the shipment for external evidence of damage as soon after receipt as possible, preferably before removal from the carrier’s conveyance. Check the bill of lading to make sure the listed shipping skids, crates, and containers are present: If there is visible loss and/or damage: 1. -
Page 6: Installing The Fault Tamer Fuse Limiter Mounting
Mounting bracket center insert Fault Tamer Fuse Limiter center insert and the mounting bracket. Figure 1. Detail of attachment of the Fault Tamer Fuse Limiter mounting to the mounting bracket. STEP 2. Pivot the Fault Tamer Fuse Limiter mounting to... -
Page 7: Fusing
Detail B Fuse Notches cartridge Backup Backup limiter Top View Red-beaded pull tab Detail C Threaded stud Exhaust-control section Extension adapter Trunnion Lockwasher –18 hex nut Figure 2. Fault Tamer Backup Limiter, Fuse Tube, and Fuse Cartridge. S&C Instruction Sheet 451-500... - Page 8 See Figure 2, Details A and B on page 7. Figure 3. Installation of Fault Tamer Fuse Limiter Cartridge. Insert the fuse tube into the exhaust-control section and hand-tighten the collar nut.
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Page 9: Re-Fusing
Re-Fusing Complete the following steps when re-fusing a Fault Tamer STEP 4. Unscrew the fuse-tube cap from the fuse tube Fuse Limiter. and remove the spring-and-cable assembly. Unscrew the upper termi nal of the blown fuse STEP 1. When a Fault Tamer Fuse Limiter operates, it cartridge from the spring-and-cable assembly swings to the Open position. -
Page 10: Installing And Closing A Fault Tamer Fuse Limiter
Catalog number 98021 Catalog numbers Catalog number 98072 98053 and 98054 Install and remove using lifting eye in trunnion . Does not use extension adapter . Figure 6. Installing a Fault Tamer Fuse Limiter into a mounting. S&C Instruction Sheet 451-500... -
Page 11: Opening A Fault Tamer Fuse Limiter
Fault Tamer Fuse Limiter are shown in the next section. Following an opening operation using a Loadbuster tool, the Fault Tamer Fuse Limiter can be lifted out of the mounting using a uni versal pole equipped with a suitable fuse-handling fitting, such as an S&C Talon Handling Tool or a distribu tion prong. -
Page 12: Operating With Loadbuster®-The S&C Loadbreak Tool
Generally, there will be no indica tion of circuit interruption. The only sound will be that of the Loadbuster tool tripping. Figure 8. A Loadbuster tool connected to an S&C Fault Tamer Fuse Limiter. Figure 9. A Loadbuster tool in the Tripped position. - Page 13 STEP 5. To reset a Loadbuster tool for the next operation, Figure 10. Detaching a Loadbuster tool from a Fault Tamer hold it as shown in Figure 11. Extend the tool Fuse Limiter. slightly and lift the resetting latch with your thumb.