IEEE C37.48.1-2011

Current Revision
IEEE Guide for the Application, Operation, and Coordination of High-Voltage (>1000 V) Current-Limiting Fuses

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IEEE C37.48.1-2011

IEEE Guide for the Application, Operation, and Coordination of High-Voltage (>1000 V) Current-Limiting Fuses

PUBLISH DATE 2012
PAGES 87
IEEE C37.48.1-2011

Revision Standard - Superseded.

A tutorial style document that provides additional guidelines, beyond those in IEEE C37.48(TM), for the application and coordination of high-voltage power-and distribution-class current-limiting fuses.

This guide provides information on the application, operation, and coordination of high-voltage (>1000 V) fuses and associated equipment. The information supplements that presented in IEEE Std C37.48™.

These guidelines apply to the following specific types of equipment, intended for use on alternating current distribution and power class systems:

  • Distribution and power class current-limiting type fuses.
  • Distribution and power class current-limiting fuse disconnecting switches.
  • Items a) and b) used in fuse enclosure packages.
  • Fuse supports of the type intended for use with distribution and power class fuses, and fuse disconnecting switches.
  • Disconnecting devices created by the use of a removable switch blade in a distribution or power class fuse support.
  • Distribution class and power class current-limiting, and combination types of external capacitor fuses used with a capacitor unit, groups of units, or capacitor banks.
  • Backup current-limiting fuses ("motor-starter fuses") used in conjunction with high-voltage Class E2 motor starters (see ANSI/UL 347 [B1]2).

The purpose of this guide is to expand on aspects of the general fuse application guide, IEEE Std C37.48, in areas associated with the application and coordination of high-voltage (>1000 V) current-limiting fuses.

This guide is more "tutorial" in nature than IEEE Std C37.48, and includes descriptions as to how different types of fuses work.

It was developed to create a better understanding of how most fuse types operate, but with an emphasis on current-limiting fuses after the category "full-range" was added to the existing categories of "backup" and "general-purpose" current-limiting fuses.

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