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NEMA - ANSI C37.55

Medium-Voltage Metal-Clad Switchgear Assemblies — Conformance Test Procedures

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Organization: NEMA
Publication Date: 1 January 2020
Status: active
Page Count: 23
scope:

Conformance Testing Standard

This Standard is a conformance testing Standard optionally applicable to all medium-voltage metal-clad switchgear assemblies designed, tested, and manufactured in accordance with IEEE Std. C37.20.2, Metal-Clad Switchgear. This Standard covers selected tests to demonstrate the conformance of the basic switchgear section (which includes the structure, circuit breaker compartments, instrument compartments, buses, and internal connections) with the "Tests" clause of IEEE Std. C37.20.2.

In this Standard, the use of the term "MC switchgear" shall be considered to mean "metal-clad switchgear." The use of the term "circuit breaker" shall be considered to mean "indoor alternating current medium-voltage circuit breakers (rated above 1000 volts) applied as removable elements in metal-enclosed switchgear assemblies," unless qualified by other descriptive terms.

Purpose

This Standard specifies the tests that shall be performed to demonstrate that the MC switchgear being tested conforms with the ratings assigned to it and meets the mechanical and electrical performance requirements specified in IEEE Std. C37.20.2.

Document History

ANSI C37.55
January 1, 2020
Medium-Voltage Metal-Clad Switchgear Assemblies — Conformance Test Procedures
Conformance Testing Standard This Standard is a conformance testing Standard optionally applicable to all medium-voltage metal-clad switchgear assemblies designed, tested, and manufactured in...
January 1, 2002
Switchgear - Medium Voltage Metal-Clad Assemblies - Conformance Test Procedure
This Standard is a conformance testing standard optionally applicable to all medium voltage metal-clad switchgear assemblies designed, tested, and manufactured in accordance with ANSI/IEEE C37.20.2,...
January 1, 2002
Switchgear— Medium-Voltage Metal-Clad Assemblies— Conformance Test Procedures
This Standard is a conformance testing standard optionally applicable to all medium voltage metal-clad switchgear assemblies designed, tested, and manufactured in accordance with ANSI/IEEE C37.20.2,...
January 1, 1989
Switchgear Metal Clad Switchgear Assemblies - Conformance Test Procedure
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References

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