IEEE IEEE PC37.09/D2.6, Mar 2017

IEEE PC37.09/D2.6, Mar 2017 is a technical draft standard focused on voltage circuit breakers with rated maximum voltage above 1000V. It addresses requirements relevant to components, circuits, devices, and systems used in higher-voltage power applications, where correct rating and dependable interruption performance are essential. For engineering, procurement, and compliance teams, this document provides a targeted reference for evaluating design expectations and test-related considerations for these breakers.

IEEE PC37.09/D2.6, Mar 2017 overview

This draft specification sits within the IEEE family of power equipment documents and is centered on voltage circuit breakers intended for service above 1000V. IEEE PC37.09/D2.6, Mar 2017 is relevant where switchgear and breaker selection must align with voltage capability, interruption duty, and system protection needs. It is useful as a technical baseline for comparing product requirements, understanding the intended application envelope, and supporting consistent interpretation during design review or conformity assessment.

Typical use cases

This standard is typically used when specifying or reviewing high-voltage circuit breakers for substations, industrial power distribution systems, utility transmission equipment, and other installations where interruption of elevated voltages must be controlled. It may also support technical documentation for switchgear assemblies, protective relaying coordination, and equipment acceptance activities. IEEE PC37.09/D2.6, Mar 2017 is most relevant when engineers need a clear reference for breaker performance in systems where reliability and voltage rating are central to safe operation.

Why this standard matters

In practice, IEEE PC37.09/D2.6, Mar 2017 helps reduce uncertainty around the expectations for voltage circuit breakers above 1000V. That matters because breaker selection affects safety, system continuity, and the ability to isolate faults without compromising equipment. A clear standard also supports more consistent procurement decisions, easier design comparison between products, and more disciplined testing and review. For organizations working with high-voltage power equipment, it offers a focused technical reference that can improve compliance and lower operational risk.

• Voltage circuit breakers above 1000V
• High-voltage power equipment context
• Design and rating reference
• Testing and compliance support
• Substation and switchgear applications