Ul 508a standard for industrial control panels standards. The ul 508a listing mark on an industrial control panel provides evidence of third party certification to the municipal inspection authority and to the purchaser of the panel. Underwriters laboratory implemented ul508a supplement sb to. The entire library of uls standards and outlines of investigations will be available through a dedicated web site at ul recognizes the time constraints manufacturers face when bringing. Purchase copy of ul 508a electrician talk professional. Ul 1012 ul standard for safety power units other than class 2 published by ul on november 9, 2010 these requirements cover portable, stationary, and fixed power units having an input rating of 600 volts or less, direct and alternating current, with at least one output not marked class 2, and. Find the most uptodate version of ul 508c at engineering360.
Product iq has the data you can trust whether youre verifying the ul certification of a product or component, locating ul guide information or searching for alternative products. The ul representative at the meeting understood their predicament and vowed to try to harmonize the ul 508 standards with the latest iec standards. For example, there is a section related to the pcbs, there is a section related to terminal spacing, wire spacing, etc. A new subsidiary named simply ul llc, a limited liability corporation, took over underwriters laboratories product testing and certification business. Technical information nema, ul and csa standards technical information en60529ip environmental ratings 599technical section 82701 11. Document was downloaded by paul kowalsky for use by rockwell. Underwriters laboratories ul on january 1, 2012, underwriters laboratories transformed from a nonprofit organization to a forprofit company in the u.
Ul 508a certification description from quality controls, inc. This document replaces what was supplement sa in the second edition of ul 508a, and subsequently appendix c in the third edition of ul 508a. Ul 508 standard for industrial control equipment standards. Ul 508a standard for industrial control panels standards catalog. The entire library of uls standards and outlines of investigations will be available through a dedicated web site at. Ul 508a, but is by no means an exhaustive guide, and does not cover all uses and applications associated with ul 508a regulations. They are an independent testing and standards company that must pay salaries, rent, taxes just like the rest of us.
Find the most uptodate version of ul 508 at engineering360. June 2008 ul 508 application guide make the most of your energysm. Standardised typical solutions for motor circuits ul 508 part iv and ul 508a chap. What does harting ul 508 solutions under ul 2237 mean.
We design, assemble, and install ul certified panels and can bring existing control panels up to. Metalworking machine tools, machines that cut or form metal. Ul is not a government supported agency nor even a nonprofit organization. Actionable insights on the topics you choose, delivered directly to your inbox. This version of internet explorer is either no longer supported by microsoft, or is obsolete and. Ul 508a industrial control panels power distribution and. We will help with the acceptance ul 508a standard pdf download a1d9fc608e share on facebook in industrial control panels according to ul508a. Ul announced january 30 that ul certification customers in north america will have free online access to all ul safety standards beginning immediately. This version of internet explorer is either no longer supported by microsoft, or is obsolete and some features of our store may no longer be supported. How to facilitate the ulcompliant approval to your control panel. This guide is not intended to be used in lieu of ul 508a or other regulatory standards. This document will be updated on an asneeded basis as changes occur in the use of components in panels.
Ul 508a supplement sa specific component requirements ul. Ul offering free online access to safety standards. Control panel design guide according ul 508a eaton. Ul services ensure quality and competitive advantage in industrial control devices, such as. Underwriters laboratory implemented ul508a supplement sb. Our breadth, established objectivity and proven history mean we are a symbol of trust, enabling us to help provide peace of mind to all. Ul 508 questions codes and standards general discussion. This guide replaces neither the standards including ul 508a that electrical.
Establish sccr of individual power circuit components ul 508a. Industrial equipment complying with the ul 508 508a and 508c standard may only contain components and subassemblies whose product. And ul, with help from industry representatives like me, has been working on doing just that for a good 10 years. Feeder components that limit sccr available ul 508a sb4. Ul standard for safety for industrial control panels, ul 508a. Providing equipment with third party safety approval is smart. 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. This guide is designed to cover the most common applications of electrical control products per. Ul 508 is a maze of a spec to work through, with different sections that pertain to different parts of the application. Underwriters laboratory 508a overview of ul508a supplement sb ul 508a 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 provides free access to library of safety standards rp news wires, noria corporation underwriters laboratories inc.
When it comes to standards that control panel builders have to abide by, i have an interesting view. Ul508a supplement sb4 is the approved method for determining short circuit. Ul panels are third party safety approved so other third parties can easily approve them. Ul 508 ul standard for safety industrial control equipment. Ul 508a standard for industrial control panels purcell systems.
A ul 508 panel shop can independently design and produce a ul panel. When equipment includes a control panel, providing a ul panel is a simple low cost way to do it. 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. If the peak value is less than 10ka, we can assume that the contactor will be adequately protected.
Manual, magnetic, and solidstate starters and controllers. It is legally obligated for the product safe operation and maintenance. Control panel technical guide how to ensure troublefree approval of your. We will help with the acceptance ul 508a standard pdf download a1d9fc608e share on facebook 31 aug 2010. Ul 508a the standard ul 508a industrial machinery the following types of machines are identified as industrial machinery. Underwriters laboratories said tuesday its certification customers in north america will have free online access to all ul safety standards beginning immediately.
Ul508a and ul698a labeling issues comes up quite often, so we can help you take some of the pain and cost out of the process of getting your panels labeled. Ul 508 type e and ul 508 type f controllers see on page 16 and 17. Always consult all pertinent actual regulatory standards and local standard representatives to ensure full compliance. Selecting the right switch for the right application. Ul 698a, ul 508a, nfpa 79 certified control panels the. By scanning the table, we can see that a 100a rk1 fuse will only limit the. Ul 508a industrial control panels louisville ieee section. Ul 508a standard pdf download gaaphakerslingbeachs blog. Jun 30, 2015 the ul representative at the meeting understood their predicament and vowed to try to harmonize the ul 508 standards with the latest iec standards.
Socomec ul 508 rated nonfusible disconnects from automationdirect, the best value in industrial automation low prices, fast shipping, and free awardwinning service. Supplement sb is the ul approved method for determining the sccr for industrial control panels based on the power circuit components within the. Ul standard for safety for industrial control equipment, ul 508. They have many competitors that are also nrtls, but most of them just do the testing and listing part, they rely upon ul to write the standards that they. Ul 508a pdf download, free game downloads for pc windows 7, white hack pdf download, windows explorer driver free download. Ul 508c ul standard for safety power conversion equipment. Ul 508 is the musthave certification standard for electrical control cabinets for oems servicing the north american market. Make sure your industrial control panels are ul 508 or nec. Absolutely the top panel shop certification program in north america. These requirements cover open or enclosed equipment that supplies power to control a motor or motors operating at a frequency or voltage different than that of the input supply.
The nfpa is not legally obligated for the product safety. A ul panel shop can independently design and produce ul panels. Schedule your free consultation uscan certifications panel shop certifications to ul 508a, ul 698a, csa c22. Socomec ul 508 rated nonfusible disconnects circuit. Ul standard for safety for industrial control panels, ul 508a second edition, dated december 20, 20 summary of topics this revision of ul 508a is issued to correct table sb4. This powerful, free database features robust and intuitive search features, advanced search and filtering options and access to ul guide information. This document is intended to be used to determine the requirements for components when used in industrial control panels. Control panel technical guide how to ensure troublefree approval of your ulcompliant control panels 6 1 ul standards and control panel design definition of electrical circuits as per standard ul 508a chap. Industrial control equipment ul 508 making global gains with certified product distinction. To receive a ul 508 listing and the authorization to apply the ul 508 listing label, the equipment manufacturer must submit the equipment to ul for inspection and testing. Plastics machinery, including injection molding, extrusion, blow molding, specialized processing, thermoset molding and size reduction. Ul 508 is the underwriters laboratories ul safety standard covering industrial control panels icp, and the equipment installed inside. Ulc standards develops and publishes standards and specifications for products having a bearing on fire, life safety and security, crime prevention, energy efficiency, environmental safety, security of assets and facilities, live working and workplace safety.
Technical appendix contents technical appendix materials w. According to ul, the official definition of an industrial control panel is an. Ul 508a, standard for industrial control panels intertek. Top industrial control equipment manufacturers around the world choose ul to help them in obtaining the necessary certifications for countryspecific compliance. Mmc marked suitable as tap 24 apr ul standard for safety for industrial control. Ul provides free access to library of safety standards. These requirements cover industrial control devices, and devices accessory thereto, for starting, stopping, regulating, controlling, or protecting electric motors.
Ul 508a industrial control panels power distribution and control. Reprinted with permission from national electrical manufacturers association, underwriters laboratories, inc. The ul 508a listing mark on an industrial control panel provides evidence of third party certification to the municipal inspection authority and to the purchaser of. We can even convert existing certifications for a minimal fee with no additional training required. However, previous versions of the document may be used until ul provides notification that they are no longer in use. Customer friendly onsite training included and only 2 inspections per.
The manufacturers of products are obligated to adhere to industry standards, e. Ul 508a is a subset of ul 508 and is specifically for industri al control panels. Ul 508a certification is an industrial control panel directive, which is sought by electrical inspectors. Seventeenth edition, dated part iii manual motor controllers ul 508a is a standard covering industrial control panels.
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