IEEE C37.12 – IEEE Guide for Specifications of High-Voltage Circuit Breakers (over 1000 V)
Revision Standard – Active.Specifications that apply to all indoor and outdoor types of ac high-voltage circuit breakers rated above 1000 volts are covered in this document. This document is issued only as a guide for use in compiling specifications for ac high-voltage circuit breakers. The imperative mode of the language is illustrative of that used in specifications.