IEEE C37.37-1979
Voltage Air Switches (in excess of 1000 volts)
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About This Item
C37.37-1979 is a technical standard for voltage air switches in excess of 1000 volts, intended for power, energy, and related industrial applications. It addresses equipment used in higher-voltage switching service, where dependable operation, insulation, and performance are central to safe system control. As a superseded document, C37.37-1979 remains useful for identifying the requirements and context tied to older air switch designs and for comparing legacy equipment practices.
What is C37.37-1979?
C37.37-1979 defines requirements and guidance for voltage air switches used above 1000 volts, with attention to the electrical and mechanical characteristics needed in this class of apparatus. The standard is associated with switch design, ratings, and operational behavior in power systems where air is the interrupting and insulating medium. For engineers, buyers, and specification writers, it provides a clear reference point for evaluating compliance and understanding how these switches were expected to perform in service.
Where is C37.37-1979 used?
This standard is typically relevant in medium- to high-voltage switching applications found in utility substations, industrial power distribution, and other installations that rely on air switches for isolating or routing power. C37.37-1979 may also be consulted when reviewing legacy switchgear, replacement parts, or historical equipment records. Its technical focus supports work involving equipment selection, inspection, maintenance planning, and documentation for systems that use voltage air switches in excess of 1000 volts.
Why is C37.37-1979 important?
C37.37-1979 matters because it helps create consistency in how voltage air switches are specified, evaluated, and compared. Clear requirements can reduce procurement uncertainty, support safer system design, and improve confidence in switching performance under higher-voltage conditions. For organizations working with older power equipment, the standard can also help guide compatibility reviews, maintenance decisions, and technical assessments. Using a defined reference like C37.37-1979 supports better control over risk and operational reliability.
- Voltage air switches above 1000 volts
- Power and industrial switching applications
- Legacy equipment reference
- Design, rating, and performance context
- Superseded technical document
- Publication Date: 1979
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
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