Compliance with the standard for automatic electrical controls for household and similar use, part 1. Jun 06, 2017 ul 508a standard pdf download a1d9fc608e share on facebook. Standards since 1903, ul has been creating standards for product safety. Ul shall not incur any obligation or liability for damages, including. In the construction of control panels, there are many factors to consider. Content provider underwriters laboratories ul add to alert pdf. Shortcircuit current rating markings are not required for industrial control panels containing only control circuit components.
Ul 508a industrial control panels power distribution and control. We have listed the table of contents from ul 698a see below. Guide information for electrical equipment the white book 201516 ul product categories correlated to the 2011 and 2014 national electrical code ul s general guide information is updated daily. Ul standard ul 508a edition 3 industrial control panels edition date. Ul 698a intrinsically safe control panels hydroflo tech. Design of a motor circuit as per standard ul 508 part iv and ul 508a chap. Aug 06, 2020 ul 508a, 3rd edition, april 24, 2018 standard for safety industrial control panels these requirements cover industrial control panels intended for general industrial use, operating from a voltage of volts or less. Representative photo bulletin number description web link ul 98 whty e47426 open type switch 30.
Ul508a is the ul standard for the construction of industrial control panels. Ul508a, along with the national electric code nfpa70 and the nfpa79 standard for industrial machinery, dictates the design and construction of industrial control panels in the united states. This equipment is intended for installation in ordinary locations, in accordance with the national electrical code, ansinfpa 70, where the ambient temperature. Nfpa 79 together with ul 508a industrial control panels, to which the nec refers in article 409, forms an important basis for ensuring compliance with the technical requirements for electrical equipment of machinery in the usa and in countries that apply u. If you spend any amount of time around a facilitys control panels, youve probably seen a label that says ul508a on it. General requirements, ul 607301, andor the applicable part 2 standard from the ul 60730 series fulfills these requirements. Manual selfprotected combination motor controller 8 nov 2018.
Fire pump controllers are covered by the requirements in the standard for fire. Sa in the second edition of ul 508a, and subsequently appendix c in the third edition of ul 508a. Ul 508a control panels basics and benefits control works. Always consult all pertinent actual regulatory standards and local standard representatives to ensure full compliance. Jul 16, 2020 additionally, ul 508a certified shops are subject to regular, unannounced inspections to ensure that the manufacturer continues to meet ul 508a requirements. The 2005 national electric code and the underwriters laboratory product standards have changed. Norma ul508a pdf download right now media bokep indo baru hd cheat engine rags. There is a common misconception that a ul 508a certified panel shop can certify any panel they build.
Visit our website free resources and consulting support on control panel standards for the usa and canada. Nec409ul 508a support abb us abb us electrification. Metalworking machine tools, machines that cut or form metal. This revision of ansi ul 508a dated april 16, 2020 includes the following changes in requirements. Aug 06, 2020 table 5 ul 98compliant devices ul standard ul category control no. Ul 508a standard for safety industrial control panels purchase options next last standard for industrial control panels ul standard o scope o summary ot topics standard standard 508a. For each, protection and control functions are stipulated. In the case of a motor feeder, a number of component combinations may be used to ensure the functions, however.
Ul standards purchase ul standards online ul standards. Norma ul508a pdf download right now media bokep indo baru hd. Ul 508a is a control panel standard that must be met by industrial equipment. Excerpts from ul 508a standard for safety for industrial control panels are the property of. This standard covers additional environmental construction and performance requirements for enclosures. Supplement sb is the ul approved method for determining the sccr for industrial control panels based on the power circuit components within the. Excerpts from ul 508a standard for safety for industrial control panels are the property of underwriters. Excerpts from ul standard for safety for industrial control panels. Ul 508a control panel design guide newark electronics. By order of the executive director office of the federal register washington, d. Overview of supplement sb from the ul 508a standard. Ul has created a document that summarizes the new and revised requirements in ul 508a, the standard for industrial control panels, third edition, published on april 24, 2018, which has an effective date of july 1, 2020, and the action that may be required to determine compliance. The ul 508a 3rd edition, the standard for industrial control panels, was released in april of 2018 and takes affect in july 2020. The latest edition brings several changes that those designing or building industrial control panels need to know.
Ult 508a, specifically for use in industrial machinery applications. V or less 40 c ambient ul 508a standard does not include. The 2nd edition update of the ul 508a standard was issued on december 20, 20, with a revision released on january, 2014. Ul 508 1999jan28 ul standard for safety ndustral control equpmentseventeenth edton reprnt wth revsons through and ncludng aprl 15 2010. Heres what the ul508a standard is, and what it means to be compliant. Electrical instruments are covered by the standard for electrical analog instruments panel board types, ul 1437. We design, assemble, and install ul certified panels and can bring existing control panels up to ul safety standards, as well as build panels from the ground up meeting the customer requirements, while following ul safety standards.
Underwriters laboratories legally binding document. Ul 508a third edition latest changes to the standard white. Ul shall not be responsible to anyone for the use of or reliance upon a ul standard by anyone. Ul standard for safety industrial control equipment. Control panel technical guide how to facilitate the ulcompliant. Control panel design guide according ul 508a eaton.
Tested product combinations to meet nec article 409 and ul. For more information on ul s standards library or to access the site, call 8888533503 or visit. Ul 508a standard for industrial control panels first edition april, 2001 second edition december 20, 20 this ul standard for safety consists of the second edition including revisions through january, 2014. Ul 508a industrial control panels louisville ieee section. Documents sold on the ansi webstore are in electronic adobe acrobat pdf format, however some iso and iec. Ul 698a is the ul specification for the design and fabrication of intrinsically safe control panels. Ul 508a industrial control panels power distribution and. Ul 508a the standard ul 508a industrial machinery the following types of machines are identified as industrial machinery. Firstly, the panels must meet safety standards and regulations stipulated by the ul and. Download nec article 409 and ul 508a 4 siemens pdf, epub, mobi we have ul 508a pdf pdf, epub, txt, doc. Ul 508a pdf ul 508 standard pdf industrial control panels ul508a.
Jun 21, 2020 area of application for this documentation. Ul698a standard for industrial control panels relating to hazardous classified locations. A key point in this policy is that no ul standard or standardsrelated material, including revisions, bulletins and meeting reports, may be duplicated or distributed without the consent of ul s vice president of standards. Ul508a is a safety standard for industrial control panels adopted by underwriters laboratory which is an approved method in. All of the items covered by ul 698a are supplied, in addition to the items covered by the standard ul 508a specification. Standard for enclosures for electrical equipment name of standards organization. A guide for practical use of industrial control panels and. Documents sold on the ansi standards store are in electronic adobe acrobat pdf format, however some iso and iec standards are available from amazon in hard copy format. This document gives guidelines to panel builders on various issues including proper component selection, wiring. Ul508a standards for industrial control panels industrial. It supersedes the previous version of this document dated october 21, 2019 references in this document to sections or paragraphs in ul 508a are understood to be to the third edition of the standard with revisions dated july 3, 2018. Panels for hazardous locations nrbx which are covered under ul698a panels containing intrinsic safety barriers and intended for circuits in hazardous areas. View and download short circuit current rating information. Document was downloaded by paul kowalsky for use by rockwell automation 19216.
Ul standard for safety for industrial control panels, ul 508a. Comments or proposals for revisions on any part of the standard may be submitted to ul at any time. This guide is not intended to be used in lieu of ul 508a or other regulatory standards. Ul standards for safety ul has developed more than 800.
The general requirements for enclosures are contained in csa c22. Mar 26, 2020 understand the major differences between ul 508c and ul 6180051 and how you can transition your certification to the new standard learn how the alignment of requirements will allow you one investigation that provides certification to ul 6180051, csa c22. Ul standards listing for industrial control products. Ge is committed to helping our customers understand how. Ul 50e ul standard for safety enclosures for electrical. The control panel design goes a long way in determining the safety and functionality of the machinery. The ul 508a 3rd edition, the standard for industrial control panels, was released in april of 2018 and takes affect in. Ge is committed to helping our customers understand how these changes affect their products. Plastics machinery, including injection molding, extrusion, blow molding, specialized processing, thermoset molding and size reduction. Ecbt2 connectors in control circuits sccr for emi filters in panels sizing of branch circuit protection for heat loads emergency stop panels sizing the feeder. Ul standard 508a, standard for industrial control panels, which is ed by underwriters laboratories, inc. The standard s update addresses safety for industrial control panels and industrial panel. With over 1,000 standards available for delivery in hardcopy, pdf, or electronic html formats, if youre looking for a ul standard youve come to the right place.
Ul 508a control panel design considerations c3controls. As noted above, the effective date for compliance with this ul 508a 2nd edition was december 20, 2014and a variety of previously unenforced. Ul 508a control panel design considerations ul 508a is a control panel standard that must be. But depending on your role within that facility, you might not know what that stands for. This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent damage to property. Ul provides free access to library of safety standards. Ul 508a supplement sb ul508a is a safety standard for industrial control panels adopted by underwriters laboratory which is an approved method in determining sccr referenced by nec article 409. Ul 508a certification for industrial control panels is a requirement in most jurisdictions and a standard many oems voluntarily choose to follow. The ul 508a standard directs manufacturers on various issues regarding industrial control panels and industrial panel enclosures, including appropriate component selection, wiring methods, and calculation of short circuit current ratings sscr. Ul 508a control panels basics and benefits control. Once a shop is ul 508a certified, they can create mass produced or custom designed ul 508a industrial control panels without the need of having ul examine each design. This guide is designed to cover the most common applications of electrical control products per ul 508a, but is by no means an exhaustive guide, and does not cover all uses and applications associated with ul 508a regulations.
Manual motor controllers shortcircuit ratings for ulcsat group installatio. These standard values must be used if the technical documents do not provide sccr values for the applied devices. Ansi ul 508a, standard for industrial control panels, supplement sb, is an example of an approved method. Ul standard for safety for industrial control equipment, ul 508. Ul has a standard for just about everything under the sun. Ul 508, 2018 edition, march 30, 2018 ul standard for safety industrial control equipment these requirements cover industrial control devices, and devices accessory thereto, for starting, stopping, regulating, controlling, or protecting electric motors. Ul 508a, but is by no means an exhaustive guide, and does not cover all uses and applications associated with ul 508a regulations.
1399 148 207 173 1526 847 651 309 416 916 731 1320 1325 1560 1406 862 1412 43 239 1141 1362 708 1522 764 1060