IEEE C37.11-2022
Voltage (> 1000 V) Circuit Breakers
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About This Item
C37.11-2022 is a technical standard for voltage circuit breakers above 1000 V, covering requirements that help define how these devices are designed, rated, and evaluated. It is relevant to components, circuits, devices, and systems where dependable interruption of higher-voltage power is essential. By setting a clear framework for breaker performance and related engineering criteria, C37.11-2022 supports consistent specification, safer application, and more reliable equipment selection in power and industrial environments.
C37.11-2022 overview
This standard addresses the technical expectations for circuit breakers used in voltages greater than 1000 V, making it useful for engineering teams that need a common basis for design and compliance. C37.11-2022 typically informs how breaker characteristics are described, compared, and verified in service-oriented electrical systems. In practice, it helps align product requirements with performance expectations for interruption capability, rating selection, and application suitability across higher-voltage power applications.
Typical use cases
C37.11-2022 is commonly used when specifying or reviewing circuit breakers for substations, distribution equipment, and other medium- to high-voltage power installations. It may also support procurement and documentation for switchgear assemblies, feeder protection, and industrial electrical systems that depend on controlled interruption of fault or load current. Engineers, utilities, and equipment integrators may use it to compare breaker options, confirm rating compatibility, and support technical acceptance during project planning or maintenance work.
Why this standard matters
For higher-voltage breaker applications, consistent requirements are important for safety, system reliability, and interchangeability. C37.11-2022 helps reduce ambiguity when assessing breaker design and performance, which can improve procurement decisions and lower integration risk. It also supports more uniform testing and specification practices, making it easier to confirm that a breaker is suitable for the intended electrical duty. In demanding power systems, that consistency can be critical to protecting equipment and maintaining service continuity.
- Voltage circuit breakers above 1000 V
- Design and rating considerations
- Performance and compliance reference
- Power and industrial applications
- Specification and procurement support
- Publication Date: 2023
- Standard Status: Active
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications
- Official IEEE: Doi link
- This Version: C37.11 (2023)
- Previous Version: C37.11 (2015)
- Previous Version: C37.11 (1957)
- Previous Version: C37.11 (1996)
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