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1、IEEE Std C37.16-2009 IEEE Standard for Preferred Ratings, Related Requirements, and Application Recommendations for Low-Voltage AC (635 V and below) and DC (3200 V and below) Power Circuit Breakers IEEE 3 Park Avenue New York, NY 10016-5997, USA 5 June 2009 Power integrally fused low-voltage ac powe
2、r circuit breaker; low- voltage; non-integrally fused low-voltage ac power circuit breaker; power circuit breaker The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2009 by the Institute of Electrical and Electronics Engineers, Inc. All
3、rights reserved. Published 5 June 2009. Printed in he United States of America. IEEE is a registered trademark in the U.S. Patent +1 978 750 8400. Permission to photocopy portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center. iv
4、 Copyright 2009 IEEE. All rights reserved. Introduction This introduction is not part of IEEE Std C37.16-2009, IEEE Standard for Preferred Ratings, Related Requirements, and Application Recommendations for Low-Voltage AC (635 V and below) and DC (3200 V and below) Power Circuit Breakers. IEEE Std C3
5、7.16 was formerly the responsibility of a NEMA working group; this responsibility was transferred to IEEE Standards Association in January 2003. The Low Voltage Switchgear Devices subcommittee of the Switchgear Committee of the IEEE Power and Energy Society is now responsible for maintenance and rev
6、ision of IEEE Std C37.16. The IEEE Preferred Ratings, Related Requirements, and Application Information for Low-Voltage Power Circuit Breakers working group made the following changes to keep it up to date with the evolution of low voltage circuit breakers. Changes made in this version include: Tabl
7、es 1 and Table 2 were replaced by individual paragraphs with each rating. A new Table 1 and Table 2 link frame size to interrupting rating. References to IEEE Std C37.29, which has been withdrawn, were deleted. The tables on motor application were deleted. The user is encouraged to consult relevant
8、standards, including NEMA MG-1 and NFPA 70. The tables on anode circuit breakers and low-voltage ac circuit protectors were deleted due to lack of product for many years. Rows were deleted from the dc transit breaker tables related to the 53 msec time constant due to lack of product. Tables have bee
9、n rearranged by application and numbered sequentially. Annex A lists the table number from the previous edition and the location of that information in this edition Notice to users Laws and regulations Users of these documents should consult all applicable laws and regulations. Compliance with the p
10、rovisions of this standard does not imply compliance to any applicable regulatory requirements. Implementers of the standard are responsible for observing or referring to the applicable regulatory requirements. IEEE does not, by the publication of its standards, intend to urge action that is not in
11、compliance with applicable laws, and these documents may not be construed as doing so. Copyrights This document is copyrighted by the IEEE. It is made available for a wide variety of both public and private uses. These include both use, by reference, in laws and regulations, and use in private self-
12、 regulation, standardization, and the promotion of engineering practices and methods. By making this document available for use and adoption by public authorities and private users, the IEEE does not waive any rights in copyright to this document. v Copyright 2009 IEEE. All rights reserved. Updating
13、 of IEEE documents Users of IEEE standards should be aware that these documents may be superseded at any time by the issuance of new editions or may be amended from time to time through the issuance of amendments, corrigenda, or errata. An official IEEE document at any point in time consists of the
14、current edition of the document together with any amendments, corrigenda, or errata then in effect. In order to determine whether a given document is the current edition and whether it has been amended through the issuance of amendments, corrigenda, or errata, visit the IEEE Standards Association we
15、b site at http:/ieeexplore.ieee.org/xpl/standards.jsp, or contact the IEEE at the address listed previously. For more information about the IEEE Standards Association or the IEEE standards development process, visit the IEEE-SA web site at http:/standards.ieee.org. Errata Errata, if any, for this an
16、d all other standards can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/updates/errata/index html. Users are encouraged to check this URL for errata periodically. Interpretations Current interpretations can be accessed at the following URL: http:/standards.ieee.org/reading/
17、ieee/interp/ index.html. Patents Attention is called to the possibility that implementation of this standard may require use of subject matter covered by patent rights. By publication of this standard, no position is taken with respect to the existence or validity of any patent rights in connection
18、therewith. The IEEE is not responsible for identifying Essential Patent Claims for which a license may be required, for conducting inquiries into the legal validity or scope of Patents Claims or determining whether any licensing terms or conditions provided in connection with submission of a Letter
19、of Assurance, if any, or in any licensing agreements are reasonable or non-discriminatory. Users of this standard are expressly advised that determination of the validity of any patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Further information may
20、be obtained from the IEEE Standards Association. Participants At the time this standard was completed, the Preferred Ratings, Related Requirements, and Application Information for Low-Voltage Power Circuit Breakers Working Group had the following membership: Nancy W. Gunderson, Co-chair Jean Claude
21、Maurice, Co-chair Paul D. Barnhart Don Colaberardino David Dunne Mike Flack Keith Flowers Albert Livshitz Deepak Mazumdar Jeff Mizener Allan Morse George Nourse T.W. Olsen Charles Ross M. Dean Sugmon Paul Sullivan vi Copyright 2009 IEEE. All rights reserved. The following members of the individual b
22、alloting committee voted on this standard. Balloters may have voted for approval, disapproval, or abstention. William J. Ackerman Satish K. Aggarwal Stan Arnot Paul Barnhart Robert Beavers Steven Bezner Thomas Blair William Bloethe Chris Brooks Ted Burse William Byrd Eldridge Byron Yunxiang Chen Tom
23、my Cooper Donald Dunn Douglas J. Edwards Gary Engmann Keith Flowers Paul Forquer Jalal Gohari Randall Groves Nancy W. Gunderson R. Jackson Andrew Jones James Jones Yuri Khersonsky Joseph L. Koepfinger Jim Kulchisky Saumen Kundu Chung-Yiu Lam Stephen Lambert G. Luri Keith Malmedal Frank Mayle John Me
24、rando Gary Michel Daleep Mohla Georges Montillet Charles Morse Jerry Murphy Dennis Neitzel Michael S. Newman Joe Nims George Nourse T. W. Olsen Miklos Orosz Bansi Patel Michael Roberts Charles Rogers Charles Ross Bartien Sayogo Michael Sigmon James E. Smith Jerry Smith R. Kirkland Smith Ralph Stell
25、Paul Sullivan David Tepen Joe Uchiyama John Vergis James Wilson Larry Yonce Matthew Zeedyk Theodore Zeiss When the IEEE-SA Standards Board approved this standard on 19 March 2009, it had the following membership: Robert M. Grow, Chair Thomas Prevost, Vice Chair Steve M. Mills, Past Chair Judith Gorm
26、an, Secretary John Barr Karen Bartleson Victor Berman Ted Burse Dick DeBlasio Andy Drozd Mark Epstein Alexander Gelman Jim Hughes Richard Hulett Young Kyum Kim Joseph L. Koepfinger* John Kulick David J. Law Ted Olsen Glen Parsons Ron Peterson Narayanan Ramachandran Jon Walter Rosdahl Sam Sciacca *Me
27、mber Emeritus Also included are the following nonvoting IEEE-SA Standards Board liaisons: Howard Wolfman, TAB Representative Satish K. Aggarwal, NRC Representative Michael Janezic, NIST Representative Michelle Turner IEEE Standards Program Manager, Document Development Matthew J. Ceglia IEEE Standar
28、ds Program Manager, Technical Program Development vii Copyright 2009 IEEE. All rights reserved. Contents 1. Overview 1 1.1 Scope. 1 1.2 Purpose 1 2. Normative references 2 3. Preferred ratings for ac low-voltage power circuit breaker frames 2 3.1 General 2 3.2 Rated maximum voltage 2 3.3 Rated power
29、 frequency 3 3.4 Frame size 3 3.5 Rated continuous current. 3 3.6 Short-circuit current and short-time rating 3 3.7 Power frequency withstand voltage. 4 3.8 Overload and endurance 4 4. Preferred ratings for dc power circuit breakers 6 5. Preferred trip system current ratings and settings. 12 5.1 Ele
30、ctronic trip system current ratings for ac power circuit breakers 12 5.2 Electromechanical trip device current ratings for ac power circuit breakers. 12 5.3 Electromechanical trip device current ratings for general purpose dc power circuit breakers. 13 6. Preferred rated control voltages 13 Annex A
31、(normative) Operating conditions. 15 Annex B (informative) Bibliography 16 1 Copyright 2009 IEEE. All rights reserved. IEEE Standard for Preferred Ratings, Related Requirements, and Application Recommendations for Low-Voltage AC (635 V and below) and DC (3200 V and below) Power Circuit Breakers IMPO
32、RTANT NOTICE: This standard is not intended to ensure safety, security, health, or environmental protection in all circumstances. Implementers of the standard are responsible for determining appropriate safety, security, environmental, and health practices or regulatory requirements. This IEEE docum
33、ent is made available for use subject to important notices and legal disclaimers. These notices and disclaimers appear in all publications containing this document and may be found under the heading “Important Notice” or “Important Notices and Disclaimers Concerning IEEE Documents.” They can also be
34、 obtained on request from IEEE or viewed at http:/standards.ieee.org/IPR/ disclaimers.html 1. Overview 1.1 Scope This standard provides the preferred ratings for low-voltage ac (635 V and below) power circuit breakers, fused low-voltage ac (600 V and below) power circuit breakers, general purpose dc
35、 (325 V and below) power circuit breakers, and low-voltage dc (3200 V and below) power circuit breakers. 1.2 Purpose This standard provides preferred ratings to establish a uniform basis of product design and testing for low-voltage ac and dc power circuit breakers. The ratings in this standard are
36、preferred but are not restrictive. Manufacturers may choose to offer, and users may elect to require, ratings which differ from those in this standard. IEEE Std C37.16-2009 IEEE Standard for Preferred Ratings, Related Requirements, and Application Recommendations for Low-Voltage AC (635 V and below)
37、 and DC (3200 V and below) Power Circuit Breakers 2 Copyright 2009 IEEE. All rights reserved. This revision updates the preferred ratings to reflect changes in the state of the art. Ratings for some obsolete products have been eliminated and new ratings added. This revision is coordinated with the c
38、hanges in companion standards IEEE Std C37.13, IEEE Std C37.14, IEEE Std C37.17, and IEEE Std C37.27.1, 2 2. Normative references The following referenced documents are indispensable for the application of this document (i.e., they must be understood and used, so each referenced document is cited in
39、 text and its relationship to this document is explained). For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments or corrigenda) applies. IEEE Std C37.13, Standard for Low-Voltage AC Power Circuit Breakers
40、 Used in Enclosures.3 IEEE Std C37.14, Standard for Low-Voltage DC Power Circuit Breakers Used in Enclosures. IEEE Std C37.14-2002, Standard for Low-Voltage DC Power Circuit Breakers Used in Enclosures. IEEE Std C37.17, Standard for Direct-Acting Trip Systems for Low-Voltage (up to 635 V) AC and Gen
41、eral Purpose Low-Voltage (up to 325 V) DC Power Circuit Breakers. IEEE Std C37.18, Standard Enclosed Field Discharge Circuit Breakers for Rotating Electric Machinery. IEEE Std C37.27, Application Guide for Low-Voltage AC Fused Power Circuit Breakers Applied with Separately Mounted Current-Limiting F
42、uses. ANSI C37.50, American National Standard for SwitchgearLow-Voltage AC Power Circuit Breakers Used in Enclosures Test Procedures.4 3. Preferred ratings for ac low-voltage power circuit breaker frames 3.1 General Preferred ratings, related requirements, and application limitations for ac low-volt
43、age power circuit breaker frames (see IEEE Std C37.13) are as shown in 3.2 through 3.8. 3.2 Rated maximum voltage The rated maximum voltage for unfused ac low-voltage power circuit breakers should be one of the following values: 254 V, 508 V, or 635 V. The rated maximum voltage for fused ac low-volt
44、age power circuit breakers should be one of the following values: 254 V, 508 V, or 600 V. The upper limit of 600 V is established by the maximum voltage for fuses. 1 Information on normative references can be found in Clause 2. 2 The IEEE standards or products referred to in this clause are trademar
45、ks of the Institute of Electrical and Electronics Engineers, Inc. 3 IEEE publications are available from the Institute of Electrical and Electronics Engineers, Inc. 445 Hoes Lane, P.O. Box 1331, Piscataway, NJ 08855-1331, USA. 4 ANSI standards publications are available from the Institute of Electri
46、cal and Electronics Engineers, Inc. 445 Hoes Lane, P.O. Box 1331, Piscataway, NJ 08855-1331, USA. IEEE Std C37.16-2009 IEEE Standard for Preferred Ratings, Related Requirements, and Application Recommendations for Low-Voltage AC (635 V and below) and DC (3200 V and below) Power Circuit Breakers 3 Co
47、pyright 2009 IEEE. All rights reserved. 3.3 Rated power frequency The preferred rated power frequency is 50 Hz, 60 Hz, or 50/60 Hz. 3.4 Frame size The frame size should be one of the following values: 600 A, 800 A, 1600 A, 2000 A, 3000 A, 3200 A, 4000 A, 5000 A, or 6000 A. 3.5 Rated continuous curre
48、nt The rated continuous current is defined by the trip device current settings, see clause 6. The continuous- current carrying capability of some circuit breaker frames may be higher than the trip-device current rating (see IEEE Std C37.13). 3.6 Short-circuit current and short-time rating 3.6.1 Unfu
49、sed circuit breaker frames Table 1 provides the short-circuit current ratings, and the preferred ranges, for circuit breakers with instantaneous direct-acting tripping elements. Table 2 provides the short-time current ratings with instantaneous direct-acting tripping elements and the short-circuit current ratings for circuit breakers without instantaneous direct-acting tripping elements (intentional time-delayed tripping). The short-circuit currents are given as rms symmetrical values for single-phase (2-pole) circuit breakers and three-phase average r