IEEE PC37.11/D1.4, Feb 2021
Voltage (>1000 V) Circuit Breakers
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About This Item
PC37.11/D1.4, Feb 2021 is a technical standard focused on voltage circuit breakers rated above 1000 V, with relevance to power equipment design, evaluation, and specification. It helps frame the requirements and terminology used when working with high-voltage switching devices in components, circuits, devices, and systems. For engineers, buyers, and compliance teams, this standard supports more consistent selection and review of breaker performance, safety-related characteristics, and application fit.
What is PC37.11/D1.4, Feb 2021?
PC37.11/D1.4, Feb 2021 is a draft-oriented technical document for voltage circuit breakers above 1000 V. Its purpose is typically to define how these devices are described, assessed, and compared in higher-voltage electrical applications. In practice, it may guide details such as ratings, operating characteristics, and test-related expectations that matter to breaker specification and procurement. The standard is most useful where clear technical alignment is needed for engineering review and product selection.
Where is PC37.11/D1.4, Feb 2021 used?
This standard is most relevant in power and energy settings that rely on medium- or high-voltage circuit breakers, such as substations, industrial distribution systems, and utility equipment programs. It may also be used during product development, bid review, and maintenance planning for switchgear and related protective devices. PC37.11/D1.4, Feb 2021 provides a reference point when teams need consistent language for breaker specifications, system integration, and technical documentation.
Why is PC37.11/D1.4, Feb 2021 important?
Using PC37.11/D1.4, Feb 2021 helps reduce ambiguity when evaluating circuit breakers intended for voltages above 1000 V. That matters for safety, performance consistency, and procurement decisions, especially where switching duty and electrical isolation are critical. A clear standard can support more reliable engineering comparisons, smoother compliance checks, and better control over design and testing expectations. It also helps organizations align product requirements with the intended power-system application.
- Voltage circuit breakers above 1000 V
- Power, energy, and industrial applications
- Specification and compliance reference
- Breaker ratings and technical evaluation
- Switchgear and high-voltage system context
- Publication Date: 2021
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications
- Official IEEE: Doi link
- New Version Available: PC37.11 (2022)
- Previous Version: PC37.11 (2022)
- This Version: PC37.11 (2021)
- Previous Version: PC37.11 (2014)
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