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IEEE C37.20.4-2001

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IEEE C37.20.4-2001 IEEE Standard for Indoor AC Switches (1 kV - 38 kV) for Use in Metal-Enclosed Switchgear

standard by IEEE, 08/10/2001

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Full Description

Scope

This standard covers indoor ac switches rated above 1 kV through 38 kV for use in metal-enclosedswitchgear as follows:a) Stationary or drawoutb) Manual or power operationc) Fused or unfusedThe term indoor is intended to indicate that the enclosure provides a degree of protection tothe switch and the enclosure may be suitable for indoor, outdoor, or other service conditions andcomplies with the requirements of switchgear assemblies as defined by IEEE C37.20.2-1999 or IEEEC37.20.3-2001This standard does not apply to subsurface load interrupting switches in IEEE Std C37.71-1984,switches intended for use in padmounted switchgear in ANSI C37.72-1987 and ANSI C37.73-1998, orto high-voltage air switches in ANSI C37.30-1997.

Purpose

The purpose of this standard is to define the basic design and performance requirements for indoor medium voltage switches intended for use in Metal-Enclosed Switchgear covered in ANSI/IEEE C37.20.2 and C37.20.3. This standard is based upon design criteria stated in ANSI/IEEE C37.30, definitions and requirements for high voltage air switches, insulators and bus supports, ANSI C37.32 Schedules for preferred ratings, manufacturing specifications, and applications guide for high voltage air switches, bus supports and switch accessories and ANSI/IEEE C37.34 and C37.39 test codes for high voltage air switches. For other switches see references C37.30, C37.32, C37.34 and C37.39

Abstract

Revision Standard - Superseded.Indoor ac medium-voltage switches for use in enclosures for application in power circuits at voltages above 1 kV through 38 kV are covered. These include stationary or drawout, manual or power operation, fused or unfused.

Product Details

Published: 08/10/2001 ISBN(s): 0738128384, 9780738128382 Number of Pages: 30File Size: 1 file , 210 KB Product Code(s): STDSU94927