IEEE C37.12:2008

New IEEE Standard - Superseded.
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.

This guide is for development of specifications that apply to all indoor and outdoor types of ac high-voltage circuit breakers rated above 1000 volts.
This document is intended as a guide for use in developing specifications for ac high-voltage circuit breakers. This guide is for specifications that apply to all indoor and outdoor types of ac high-voltage circuit breakers rated above 1000 volts. The imperative mode of the language is illustrative of that used in specifications. It does not imply that this document is anything other than advisory in its scope.