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IEEE Device Numbers for Switchgear by Sarah Frazier is a document available to read on EtoBox.
What is IEEE Device Numbers for Switchgear about?
The document describes the IEEE device numbering system used to identify functions of devices in switching equipment. Device numbers 1-11 and 34 are assigned to master elements, time-delay relays, interlocking relays, contactors, stopping devices, circuit breakers, and multifunction devices based on their specific roles in switching sequences or protective relay systems. The document provides definitions and examples of functions for common switching gear devices.
- Author
- Sarah Frazier
- Language
- EN