C37.20.3-1987 - IEEE Standard for Metal-Enclosed Interrupter Switchgear
Standard Details
The standard covers metal-enclosed interrupter switchgear assemblies containing such devices as interrupter/switches, selector switches, power fuses and protective equipment. It is concerned with enclosed, rather than open, switchgear assemblies rated above 1000 V used for the distribution of electrical power. It includes equipment that is part of primary and secondary unit substations.
Standards Committee
Superseded by
Board Approval
Working Group Details
Standards Committee
IEEE Program Manager