IEEE PC62.34/D15.5, May 2017
Voltage (1000 V rms or less) Surge Protective Devices Used on Secondary Distribution Systems (Between the Transformer Low-Voltage Terminals and the Line Side of the Service Entrance Equipment)
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About This Item
PC62.34/D15.5, May 2017 is a technical standard for voltage surge protective devices used on secondary distribution systems, specifically between transformer low-voltage terminals and the line side of service entrance equipment. It addresses protection for systems at 1000 V rms or less, where surge control can help reduce equipment stress and improve installation reliability. For power, energy, and related electrical applications, this document provides a focused reference for design, evaluation, and procurement decisions.
What is PC62.34/D15.5, May 2017?
PC62.34/D15.5, May 2017 defines a technical framework for surge protective devices intended for low-voltage secondary distribution environments. Its scope centers on how these devices are applied in the path between a transformer’s low-voltage terminals and the service entrance equipment, where transient overvoltages can affect connected electrical systems. The standard is relevant to engineers, specifiers, and buyers who need a clear reference for product expectations, ratings, and application boundaries in this specific voltage class.
Where is PC62.34/D15.5, May 2017 used?
This standard is typically used in electrical distribution settings where surge protective devices are installed on the secondary side of transformers and ahead of service entrance equipment. That includes facilities with low-voltage power distribution, utility-connected service entrances, and equipment rooms where voltage transients may reach sensitive downstream components. PC62.34/D15.5, May 2017 is especially relevant when specifying protection for components, circuits, devices, and systems that must operate reliably in 1000 V rms or less environments.
Why is PC62.34/D15.5, May 2017 important?
PC62.34/D15.5, May 2017 matters because surge protective devices must be matched to the electrical location and voltage conditions they serve. Clear requirements help support safer design choices, more consistent product selection, and better alignment between equipment capability and installation needs. For compliance and procurement teams, the standard can also reduce ambiguity when comparing device performance, rating suitability, and application intent. In practice, that can help limit avoidable damage and improve system reliability.
- Low-voltage secondary distribution application
- Transformer to service entrance placement
- Surge protection for 1000 V rms or less
- Product selection and engineering reference
- Electrical system protection and reliability
- Publication Date: 2017
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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