IEEE C37.20.4 Standard for Indoor AC Switches (1 kV - 38 kV) for Use in Metal-Enclosed Switchgear
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IEEE C37.20.4 Document Information:
Title
Standard for Indoor AC Switches (1 kV - 38 kV) for Use in Metal-Enclosed Switchgear
The Institute of Electrical and Electronics Engineers, Inc.
Publication Date:
Mar 17, 2001
Scope:
This standard covers indoor ac switches rated above 1 kV through 38 kV for use in metal-enclosed switchgear as follows:
a) Stationary or drawout
b) Manual or power operation
c) Fused or unfused
The term "indoor" is intended to indicate that the enclosure provides a degree of protection to the switch and the enclosure may be suitable for indoor, outdoor, or other service conditions and complies with the requirements of switchgear assemblies as defined by IEEE C37.20.2-1999 or IEEE C37.20.3-2001
This 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,or to high-voltage air switches in ANSI C37.30-1997.
Keywords:
- metal-enclosed switchgear
- indoor ac switches
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