CSA C22 2 NO 55-2015 Special use switches (Fourth Edition).pdf
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1、C22.2 No. 55-15Special use switchesLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing varied viewpoi
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18、rviceC22.2 No. 55-15May 2015Title: Special use switchesTo register for e-mail notification about any updates to this publication go to shop.csa.ca click on CSA Update ServiceThe List ID that you will need to register for updates to this publication is 2423572.If you require assistance, please e-mail
19、 techsupportcsagroup.org or call 416-747-2233.Visit CSA Groups policy on privacy at www.csagroup.org/legal to find out how we protect your personal information.ISBN 978-1-77139-877-0 2015 CSA Group All rights reserved. No part of this publication may be reproduced in any form whatsoever without the
20、prior permission of the publisher.Published in May 2015 by CSA Group A not-for-profit private sector organization 178 Rexdale Boulevard, Toronto, Ontario, Canada M9W 1R3 To purchase standards and related publications, visit our Online Store at shop.csa.caor call toll-free 1-800-463-6727 or 416-747-4
21、044.TMA trade-mar k of the Canadian S tandards Association, operating as “CSA Group”Special use switchesC22.2 No. 55-15C22.2 No. 55-15Special use switchesMay 2015 2015 CSA Group 1ContentsTechnical Committee on Wiring Products 3Integrated Committee on Wiring Devices 5Preface 81 Scope 92 Reference pub
22、lications 93 Definitions 104 General requirements 115 Construction 115.1 General 115.2 Insulating materials Television switches 115.3 Enclosures 125.4 Nipples 125.5 Linings 135.6 Bases and bodies 135.7 Protection (mounting) 135.8 Sealing 135.9 Current-carrying parts 135.10 Terminal parts and leads 1
23、45.11 Air gaps and creepage distances 155.12 Actuating members 155.13 Assembly 155.14 Ratings 166 Marking 166.1 General 166.2 Switch for the control of tungsten-filament lamps 166.3 AC-only switches 176.4 Television switch 177 Tests 177.1 General 177.2 Overload 187.2.1 Ampere rated 187.2.2 Horsepowe
24、r rated 207.2.3 Television switch 207.3 Endurance 207.3.1 Ampere rated 207.3.2 Horsepower rated 217.3.3 “T” rated (ac or dc) 217.3.4 “L” rated (ac) 22C22.2 No. 55-15Special use switchesMay 2015 2015 CSA Group 27.3.5 Television switch 227.4 Temperature 237.4.8 Television switch 247.5 Dielectric stren
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