IEEE C37.1-1950
ASA American Standard for Relays Associated with Electric Power Apparatus
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About This Item
C37.1-1950 is an ASA American Standard for relays associated with electric power apparatus, providing technical guidance for devices used in power, energy, and industrial applications. It is relevant to relay design and application where consistent performance and dependable switching behavior are important. As a superseded standard, C37.1-1950 can still be useful for understanding historical requirements, legacy equipment, and documentation tied to older electric power control systems.
Overview of C37.1-1950
This standard addresses relays in the context of electric power apparatus, where control, protection, and operating functions must be coordinated with surrounding equipment. C37.1-1950 sits within the broader field of components, circuits, devices, and systems used in power-related engineering. It is most relevant when reviewing relay characteristics, application expectations, or legacy specifications that were shaped by earlier American Standard practice.
Typical use cases
C37.1-1950 may be referenced in relay-related work for power apparatus such as control panels, protective schemes, and switching equipment in utility or industrial electrical systems. It can also support comparison of older relay requirements during maintenance, replacement planning, or archive review. Engineers and procurement teams may use it when assessing compatibility with legacy installations or when interpreting original design documents for older power equipment.
Why it matters
For relay applications in electric power systems, a clear standard helps reduce ambiguity in design, selection, and testing. C37.1-1950 matters because it can support consistent interpretation of relay requirements across legacy equipment and historical specifications. That consistency is valuable for compliance checks, refurbishment decisions, and risk reduction when working with older control and protection hardware. It also helps preserve technical continuity in long-lived power installations.
- Relay applications for electric power apparatus
- Legacy control and protection documentation
- Utility and industrial power equipment
- Historical specification review
- Compatibility and maintenance planning
- Publication Date: 1949
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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