IEEE C37.12-2008 IEEE Guide for Specifications of High-Voltage Circuit Breakers (over 1000 Volts)

New IEEE Standard - Active. These specifications apply to all indoor and outdoor types of ac high-voltage circuit breakers rate above 1000 volts. 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.