IEEE C37.1-1937
ASA American Standard for Relays Associated with Power Switchgear
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About This Item
C37.1-1937 is the ASA American Standard for Relays Associated with Power Switchgear, a technical document focused on relay requirements in power, energy, and industrial applications. It addresses the characteristics and expected behavior of relays used with switchgear, helping engineers and purchasers work from a common baseline. As a superseded standard, C37.1-1937 remains relevant for legacy equipment, historical reference, and comparison of older relay practices in electrical power systems.
What is C37.1-1937?
This standard defines a common reference for relays associated with power switchgear, where control, protection, and operating functions must be coordinated reliably. C37.1-1937 is most useful when reviewing relay design expectations, performance criteria, and compatibility considerations within switchgear assemblies. In practice, it supports consistent interpretation of relay requirements for electrical apparatus used in power system control and protection. Because it is superseded, it is typically consulted for legacy documentation or historical engineering context.
Where is C37.1-1937 used?
C37.1-1937 is used in settings involving power switchgear and the relays that support switching, control, and protection functions. It is especially relevant in electrical distribution equipment, industrial power installations, and engineering workflows that involve relay selection or review for older apparatus. The standard may also be consulted during maintenance, refurbishment, or documentation of legacy switchgear panels where relay behavior and compatibility must be understood in a defined technical framework.
Why is C37.1-1937 important?
This standard matters because relay requirements can affect system reliability, operating consistency, and protection performance in switchgear applications. C37.1-1937 helps reduce ambiguity when comparing legacy relay designs, reviewing compliance records, or evaluating replacement parts for older equipment. It can also support safer procurement and engineering decisions by giving teams a shared technical reference. For organizations maintaining historical power systems, the document offers a useful basis for inspection, testing, and documentation control.
- Relay requirements for power switchgear
- Legacy electrical protection reference
- Control and operating function context
- Superseded standard for historical use
- Relevant to power and industrial systems
- Publication Date: 1936
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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