UL 508 CRD-2012 UL Standard for Safety Industrial Control Equipment - Section Paragraph Reference Section 61C Subject Expansion of Electrical Ratings for Electronic Ballasts (Editi.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUNDERWRITERS LABORATORIES INC. CERTIFICATION REQUIREMENT DECISIONThis Certification Requirement Decision is prepared and published by Underwriters Laboratories Inc.(UL). It is normative for the a

2、pplicable UL Product Certification Program(s); however, it is currently notpart of the UL Standard(s) referenced below.Product Category (CCN): All CCNs under UL 508Standard Number: UL 508Edition Date: January 28, 1999Edition Number: 17Section / Paragraph Reference: Section 61CSubject: Expansion of E

3、lectrical Ratings for Electronic BallastsDECISION:Additional ratings as noted in underline are considered as part of Table 61C of UL 508 and may beincluded as part of performance testing of products evaluated to UL 508.Table 61C.2aPeak current requirementsSteadystatecurrent (A)Peak current(A), 120 V

4、ACPulse Width120 VAC(mS)(See Note 2)I2t(A2sec) 120VAC(See Note1)Peak current(A), 277 VACPulse Width277VAC(mS)(SeeNote 2)I2t(A2sec) 277VAC(See Note1)0.5 75 0.34 11 77 0.07 111 107 0.48 24 131 0.71 272 144 0.70 41 205 0.85 763 166 0.89 51 258 0.98 1115 192 1.20 74 320 1.20 2058 221 1.25 98 370 1.25 27

5、410 230 1.50 106 430 1.50 37012 235 1.80 110 440 1.80 38715 239 2.00 114 458 2.00 42016 242 2.10 117 480 2.10 461NOTES1) The values used to calculate I2t are the peak current shown in Table 61C.2 and a pulse duration of 2 mS (t).2) Pulse widths shown in the Table 61C.2 and will provide adequate perf

6、ormance with electronic ballasts having pulse widths upto 2 ms, in accordance with ANSI standard C82.11.aReprinted from NEMA 410-2011, Performance Testing for Lighting Controls and Switching Devices with Electronic Drivers andDischarge Ballasts by permission of the National Electrical Manufacturers

7、Association, 2011 by the National ElectricalManufacturers Association. All rights including translation into other languages, reserved under the Universal CopyrightConvention, the Berne Convention for the Protection of Literary and Artistic Works, and the International and Pan AmericanCopyright Conv

8、entions.RATIONALE FOR DECISION:Table 61C.2, Peak Current Requirements for Electronic Ballasts, is derived from the NEMA StandardsPublication 410-204 Table 2 Peak Current Requirements. This document was recently revised andreissued to include current values as noted in the table above.The noted addit

9、ions to Table 61C.2 complement these changes to the values in the NEMA StandardsPublication 410-2011 report and will allow manufacturers evaluating their products to UL 508 to takeadvantage of the new ratings.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERM

10、ISSION FROM ULCopyright 2012 Underwriters Laboratories Inc.UL, in performing its functions in accordance with its objectives, does not guarantee or warrant thecorrectness of Certification Requirement Decisions it may issue or that they will be recognized or adoptedby anyone. Certification Requiremen

11、t Decisions are the opinion of Underwriters Laboratories Inc. inpractically applying the requirements of the standard. They do not represent formal interpretations of thestandard under American National Standards Institute (ANSI) processes. UL shall not be responsible toanyone for the use of or reli

12、ance upon Certification Requirement Decisions by anyone. UL shall not incurany obligation or liability for damages, including consequential damages, arising out of or in connectionwith the use or reliance upon Certification Requirement Decisions. The electronic version of theCertification Requirement Decision is the current version and previously printed copies may be outdated.This document is published as a service to ULs certification customersSTANDARD NUMBER: UL 508 -2-