IEEE C37.04-2018
Voltage Circuit Breakers with Rated Maximum Voltage Above 1000 V
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About This Item
C37.04-2018 is a technical standard for voltage circuit breakers with rated maximum voltage above 1000 V, addressing the design and performance expectations for high-voltage switching equipment. It is relevant to components, circuits, devices, and systems where dependable interruption and isolation are critical. By defining a common reference for ratings and related requirements, C37.04-2018 helps support consistent engineering, procurement, and compliance decisions for medium- and higher-voltage power applications.
What is C37.04-2018?
This standard defines requirements and terminology for voltage circuit breakers intended for service above 1000 V. In practice, it provides a technical basis for evaluating breaker ratings, operating characteristics, and related design considerations in electrical power systems. C37.04-2018 is used as a reference when comparing equipment offerings or specifying breakers for installations where controlled interruption and safe system isolation are necessary. It helps align manufacturer data, user expectations, and system-level planning.
Where is C37.04-2018 used?
C37.04-2018 is typically used in power distribution and industrial electrical systems that rely on higher-voltage circuit breakers for switching, protection, and maintenance isolation. It is relevant to substations, switchgear assemblies, and other equipment groups where rated maximum voltage above 1000 V must be clearly defined. Engineers, specifiers, and procurement teams may use it when selecting breakers for utility, industrial, and infrastructure projects that require consistent electrical performance and documented ratings.
Why is C37.04-2018 important?
This standard matters because high-voltage circuit breakers must be specified and applied with care to reduce operational risk and improve system reliability. C37.04-2018 supports clearer communication between designers, manufacturers, and buyers by establishing a shared technical framework for breaker-related requirements. That can help with compliance checks, equipment comparison, and acceptance testing. For organizations working with above-1000 V systems, the standard may also reduce ambiguity in specifications and improve consistency across projects.
- Voltage circuit breakers above 1000 V
- Ratings and technical definitions
- High-voltage switching applications
- Specification and procurement reference
- Design and compliance support
- Publication Date: 2019
- Standard Status: Active
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications
- Official IEEE: Doi link
- New Version Available: C37.04 (2021)
- This Version: C37.04 (2019)
- Previous Version: C37.04 (2009)
- Previous Version: C37.04 (2008)
- Previous Version: C37.04 (2003)
- Previous Version: C37.04 (1999)
- Previous Version: C37.04 (1991)
- Previous Version: C37.04 (1991)
- Previous Version: C37.04 (1990)
- Previous Version: C37.04 (1988)
- Previous Version: C37.04 (1980)
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