IEEE C62.48-2005

IEEE C62.48-2005 is a technical guide for understanding how power system disturbances interact with surge protective devices in power, energy, and industrial applications. It addresses the relationship between transient events and protection equipment, helping engineers evaluate how devices may respond under real operating conditions. This standard is useful where surge protection choices affect reliability, equipment coordination, and overall system resilience, especially when disturbance behavior needs to be interpreted in a practical engineering context.

IEEE C62.48-2005 overview

This guide focuses on the interaction between electrical disturbances on power systems and the performance of surge protective devices. IEEE C62.48-2005 is intended to support informed selection, application, and evaluation of protection equipment by clarifying how surge events may influence device behavior. In practice, it helps users interpret transient conditions, assess protection expectations, and align device application with the operating environment. The document is particularly relevant when engineers need a structured basis for surge protection decisions.

Typical use cases

Typical use cases include reviewing surge protection strategies for facility electrical systems, industrial distribution equipment, and power-related installations where transient disturbances are a concern. IEEE C62.48-2005 may be used when assessing how surge protective devices coordinate with system characteristics, or when comparing protection approaches for sensitive loads and equipment. It is also helpful during specification review, engineering studies, and procurement decisions where the expected response to power system disturbances should be clearly understood.

Why this standard matters

This standard matters because surge protection is only effective when it is applied with a clear understanding of the disturbance environment. IEEE C62.48-2005 supports more consistent engineering judgment by linking power system disturbances to device performance considerations. That can reduce installation risk, improve protection planning, and support better compliance and testing decisions. For organizations responsible for electrical reliability, it provides a practical reference for making informed choices about surge protective devices and their expected behavior.

• Surge protective device application
• Power system disturbance response
• Equipment coordination and protection
• Engineering review and specification support
• Reliability-focused electrical planning