IEEE C37.011-2019
Voltage Circuit Breakers with Rated Maximum Voltage above 1000 V
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About This Item
C37.011-2019 is a technical standard for voltage circuit breakers with rated maximum voltage above 1000 V, helping define expectations for equipment used in higher-voltage power applications. It is relevant to components, circuits, devices, and systems where breaker performance affects protection, coordination, and reliable interruption of electrical faults. For engineers, specifiers, and procurement teams, C37.011-2019 provides a focused reference for selecting and evaluating circuit breakers in demanding installations.
Overview of C37.011-2019
This standard addresses voltage circuit breakers intended for service above 1000 V, with attention to the electrical characteristics and application context that shape their design and evaluation. C37.011-2019 is used as a reference point for understanding how these breakers are defined, rated, and assessed in power system environments. In practice, it helps align terminology and technical expectations for equipment that must operate safely and consistently under higher-voltage conditions.
Typical use cases
C37.011-2019 is commonly relevant in substations, industrial power distribution, and medium- to high-voltage installations where circuit breakers must interrupt fault currents and support system protection. It may also be used when specifying switchgear assemblies, reviewing equipment documentation, or comparing breaker ratings across utility and industrial applications. The standard is especially useful where voltage circuit breakers above 1000 V are part of coordinated protection and control schemes.
Why it matters
For higher-voltage breaker applications, clear technical requirements help reduce ambiguity during design, testing, and procurement. C37.011-2019 supports more consistent evaluation of equipment intended for critical interruption duties, which can improve safety, compatibility, and reliability. Using the standard can also help teams compare products on a common basis and reduce risk when selecting breakers for systems where performance and protection must be dependable.
- Voltage circuit breakers above 1000 V
- Protection and interruption duties
- Power, energy, and industrial systems
- Design, rating, and evaluation reference
- Publication Date: 2019
- Standard Status: Active
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications
- Official IEEE: Doi link
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