IEEE PC62.72a/D1, Feb 2018
IEEE Draft Guide for the Application of Surge Protective Devices for Low Voltage (1000 Volts or Less) AC Power Circuits Amendment: SPD Disconnector Application Considerations and Coordination for use in Low Voltage AC (1000 V or Less, 50 or 60 Hz) Power Circuits
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- Language: English
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About This Item
IEEE PC62.72a/D1, Feb 2018 is a draft guide focused on surge protective devices for low-voltage AC power circuits, with added attention to SPD disconnector application considerations and coordination. It addresses how these devices are selected and applied in circuits rated 1000 volts or less, where protection, interruption behavior, and system compatibility all matter. For engineers and specifiers, IEEE PC62.72a/D1, Feb 2018 helps clarify technical expectations for safer, more consistent surge protection in everyday power systems.
About IEEE PC62.72a/D1, Feb 2018
This technical document supports the application of surge protective devices in low-voltage AC power circuits operating at 50 or 60 Hz. Its amendment content narrows the focus to SPD disconnector application considerations and coordination, which are important when determining how protection devices respond under surge and fault conditions. As a draft guide, IEEE PC62.72a/D1, Feb 2018 is most useful for understanding recommended practice, design intent, and compatibility issues related to surge protection in electrical power circuits.
Where is IEEE PC62.72a/D1, Feb 2018 used?
IEEE PC62.72a/D1, Feb 2018 is relevant wherever low-voltage AC distribution needs surge protection, such as building service equipment, panelboards, feeders, and connected equipment protection schemes. It may be used by designers working on power, energy, and industrial applications where SPD coordination affects system performance and device survival. The guide is also useful during specification review, installation planning, and evaluation of disconnector behavior in circuits that must remain reliable after transient events.
Importance in practice
In practice, this standard matters because surge protective devices must be applied with proper coordination to reduce nuisance operation, improve safety, and support dependable protection of electrical systems. Clear guidance helps engineers compare device capabilities, confirm suitability for low-voltage AC circuits, and align procurement or design decisions with expected performance. IEEE PC62.72a/D1, Feb 2018 can also support consistency during testing, documentation, and compliance review when SPD disconnector behavior is part of the overall protection strategy.
- Low-voltage AC surge protection
- SPD disconnector coordination
- 1000 V or less circuits
- 50/60 Hz power applications
- Design and application guidance
- Publication Date: 2018
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications
- Official IEEE: Doi link
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