IEEE PC37.20.4/D6, Mar 2012
IEEE Draft Standard for Indoor AC Switches (1 kV-38 kV) for Use in Metal-Enclosed Switchgear
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About This Item
IEEE PC37.20.4/D6, Mar 2012 is a draft IEEE standard for indoor AC switches rated from 1 kV to 38 kV for use in metal-enclosed switchgear. It addresses the technical requirements that help define how these switching devices are designed, built, and evaluated in power applications. For engineers, specifiers, and procurement teams, the document matters because it supports consistent equipment expectations for medium-voltage switching, safety, and compatibility within enclosed assemblies.
What is IEEE PC37.20.4/D6, Mar 2012?
This draft standard focuses on indoor AC switches intended for metal-enclosed switchgear systems, where defined voltage ratings and enclosure conditions are central to performance. IEEE PC37.20.4/D6, Mar 2012 helps frame the requirements that may apply to construction, operating characteristics, insulation coordination, and related testing considerations. As an inactive draft, it is best viewed as a technical reference for understanding the intended scope and design direction of the switchgear component standard.
Where is IEEE PC37.20.4/D6, Mar 2012 used?
IEEE PC37.20.4/D6, Mar 2012 is relevant in medium-voltage power distribution environments that use indoor, metal-enclosed switchgear. It may be used by utilities, industrial plants, and other facilities that rely on 1 kV to 38 kV switching equipment for feeder control, isolation, and power system operation. The standard is especially useful during equipment selection, engineering review, and compliance checking for switch assemblies that must fit within enclosed switchgear lineups.
Why is IEEE PC37.20.4/D6, Mar 2012 important?
This standard matters because indoor AC switches in metal-enclosed switchgear play a direct role in system safety, operational reliability, and coordinated performance. IEEE PC37.20.4/D6, Mar 2012 provides a common technical basis that can support design control, specification writing, and acceptance testing for voltage-rated switching equipment. In practice, that helps reduce uncertainty when comparing products, reviewing compliance, and aligning equipment expectations across engineering and procurement workflows.
- Indoor AC switch requirements
- 1 kV to 38 kV application range
- Metal-enclosed switchgear context
- Design and testing reference
- Medium-voltage power system use
- Publication Date: 2012
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
- New Version Available: PC37.20.4 (2025)
- Previous Version: PC37.20.4 (2012)
- This Version: PC37.20.4 (2012)
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