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1、Subjects 489 (1 066) 1285 Walt Whitman Road Melville, L.I., NY 11747 March 23, 2001 TO: Industry Representatives on the Industry Advisory Conference of UL for Molded- Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures Electrical Council of Underwriters Laboratories Inc. Subs
2、cribers to ULs Standards Services for Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Low-Voltage AC and DC Power Circuit Breakers Used in Enclosures Circuit Breakers, Molded-Case and Circuit Breaker Enclosures Low Voltage AC Power Circuit Breakers Enclosures Subscribers to U
3、Ls Listing Services for SUBJECT: Announcement of New Subcategories for Circuit Breakers for Naval Use Underwriters Laboratories Inc. (UL) announces two new subcategories for circuit breakers for Naval use. The category control number (CCN) for the first new subcategory, DIWA, will cover molded-case
4、circuit breakers for naval use, and will be under existing CCN DIVQ Circuit Breakers, Molded-Case EM;cit Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 11/19/2007 04:58:31 MSTNo reproduction or networ
5、king permitted without license from IHS -,-,- SUBJECT 489 (1066) -Al - MARCH 23, 2001 APPENDIX A GUIDE INFORMATION FOR CIRCUIT BREAKERS, MOLDED-CASE, NAVAL USE - DIWA USE This category covers circuit breakers that have been evaluated and found suitable for application aboard noncombatant and auxilia
6、ry naval ships. These circuit breakers are intended for use in enclosures and are rated up to 6000 A, 600 VAC. ADDITIONAL INFORMATION For additional information see Circuit Breakers, Molded-Case and Circuit Breaker Enclosures (DIVQ), Circuit Breakers (DHJR), and Electrical Equipment for Use in Ordin
7、ary Locations (AALZ). REQUIREMENTS The basic standard used to investigate products in this category is UL 489, “Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures“. UL MARK The Listing Mark of Underwriters Laboratories Inc. on the product is the only method provided b
8、y UL to identify products manufactured under its Listing and Follow-Up Service. The Listing Mark for these products includes the UL symbol (as illustrated in the Introduction of this Directory) together with the word “LISTED“, a control number, and one of the following product names, as appropriate:
9、 “Circuit Breaker“, “CTL Circuit Breaker“, “Circuit Breaker Frame“, or “Circuit Breaker Trip Unit“. The words “Circuit Breaket“ may be abbreviated “C.B.“ in all of the product names permitted above (e.g., “C.B. Enclosure“). Copyright Underwriters Laboratories Inc. Provided by IHS under license with
10、ULLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 11/19/2007 04:58:31 MSTNo reproduction or networking permitted without license from IHS -,-,- SUBJECT 489 (1066) -B1- MARCH 23, 2001 APPENDIX B GUIDE INFORMATION FOR LOW VOLTAGE AC POWER CIRCUIT BREAKERS, NAVAL USE - PARU USE Thi
11、s category covers circuit breakers that have been evaluated and found suitable for application aboard noncombatant and auxiliary naval ships. These circuit breakers are intended for use in enclosures and are rated up to 5000 A, 635 VAC. ADDITIONAL INFORMATION For additional information see Low Volta
12、ge AC Power Circuit Breakers (PAQX), Low Voltage AC Power Switching Devices (PAPU), and Electrical Equipment for Use in Ordinary Locations (AALZ). REQUIREMENTS The basic standard used to investigate products in this category is UL 1066, “Low-Voltage AC and DC Power Circuit Breakers Used in Enclosure
13、s“. UL MARK The Listing Mark of Underwriters Laboratories Inc. on the product is the only method provided by UL to identify products manufactured under its Listing and Follow-Up Service. The Listing Mark for these products includes the UL symbol (as illustrated in the Introduction of this Directory)
14、 together with the word “LISTED“, a control number, and one of the following product names, as appropriate: “Low- Voltage AC Power Circuit Breaket“, “Low-Voltage AC Power Circuit Breaker Frame“, or “Low-Voltage AC Power Circuit Breaker Trip Unit“. Copyright Underwriters Laboratories Inc. Provided by
15、 IHS under license with ULLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 11/19/2007 04:58:31 MSTNo reproduction or networking permitted without license from IHS -,-,- SUBJECT 489 (1066) I DIWA -Cl- Melville P. NOTARIAN 22590 Northbrook J. Hidaka 42963 RTP I. Clark 11 608 MARCH
16、23, 2001 Northbrook RTP Santa Clara PARU APPENDIX C J. Hidaka 42963 K. McKinney 11516 R. Breschini 32405 DESIGNATED RESPONSIBILITY FOR UL PRODUCT CATEGORIES DIWA, CIRCUIT BREAKERS, MOLDED-CASE, NAVAL USE PARU, LOW VOLTAGE AC POWER CIRCUIT BREAKERS, NAVAL USE The individuals shown in the following ta
17、bles are involved with the investigation of products covered under the subject categories. The Primary Designated Engineer (shown in UPPERCASE letters) coordinates the establishment and uniform interpretation of UL requirements applicable to the product categories. The Designated Engineers (shown in
18、 lowercase letters) work with the Primary Designated Engineer to interpret requirements and maintain standards. Should you have questions regarding any adopted requirements that affect your product, you are encouraged to contact the individual at the office to which you normally submit your products
19、. The Industry Advisory Conference (IAC) Chairman for the subject category DIWA is John Smith at ULs Melville office. The Responsible Department Manager for the subject category PARU is John Smith at ULs Melville office. The IAC Chairman or Responsible Department Manager oversees the significant int
20、erpretations made by the Primary Designated Engineer and arbitrates any differences regarding interpretation of UL requirements. I CCN I Off iceiSu bsidiarv I ResDonsible Enaineer I Extension I I I I I I Camas D. Kumandan 55604 Santa Clara I R. Breschini I 32405 CCN I Off iceiSu bsidiary I Responsib
21、le Engineer I Extension Melville I P. NOTARIAN I 22590 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 11/19/2007 04:58:31 MSTNo reproduction or networking permitted without license from IHS -,-,- SUBJECT 489 (1066) -c2- No Text on This Page MARCH 23, 2001 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 11/19/2007 04:58:31 MSTNo reproduction or networking permitted without license from IHS -,-,-