ANSI C37.12
Guide Specifications for Allternating-Current Power Circuit Breakers
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| Organization: | ANSI |
| Publication Date: | 21 August 1952 |
| Status: | inactive |
| Page Count: | 12 |
scope:
Scope and Purpose
These specifications are intended as a reference for purchasers and users of circuit breakers in the preparation of requests for quotations and as a reference for manufacturers and vendors in submitting bids.
These specifications apply to all types of alternating-current power circuit breakers (indoor and outdoor) having an interrupting rating of 50 mva or higher and a voltage rating above 1500 volts. Individual clauses apply to all types except where other wise indicated.
These requirements of necessity include some elements of construction and materials, but are not intended to preclude ingenuity of design or improvement.
Document History
January 1, 1991
AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis - Specifications Guide
These specifications apply to all indoor and outdoor types of ac high-voltage circuit breakers rated above 1000 volts.
This document is issued only as a guide for use in compiling specifications for...
August 27, 1981
GUIDE TO SPECIFICATIONS FOR AC HIGH-VOLTAGE CIRCUIT BREAKERS RATED ON A SYMMETRICAL CURRENT BASIS AND A TOTAL CURRENT BASIS
A description is not available for this item.
ANSI C37.12
August 21, 1952
Guide Specifications for Allternating-Current Power Circuit Breakers
Scope and Purpose
These specifications are intended as a reference for purchasers and users of circuit breakers in the preparation of requests for quotations and as a reference for manufacturers and...