The lights have autosensing circuitry ac voltage 90 vac to 265 vac and dc voltage 20 vdc to 60 vdc. Nfpa 79 electrical standard for industrial machinery 2012 edition white paper by john gavilanes director of engineering member of nfpa lapp group 29 hanover road, florham park, nj 07932 t. June 2008 ul 508 application guide make the most of your energysm. General requirements ul 609501 information technology equipment safety. Requirements that apply only to electronic equipment are so identified. Components requiring an sccr for use in ul508a industrial control panels. Control panel design guide according ul 508a eaton pdf. At the municipal, county and state levels, electrical codes are being amended at an increasing rate to include the requirement for sccr labeling of industrial control panels per nec409. Ul 508a industrial control panels ul 514a metallic outlet boxes ul 514b conduit, tubing, and cable fittings ul 320a 603201 appliance couplers for household and similar general ul 606011 purposes part 1. Control panel technical guide how to ensure troublefree approval of your ul compliant control panels 6 1 ul standards and control panel design definition of electrical circuits as per standard ul 508a chap. Plastics machinery, including injection molding, extrusion, blow molding, specialized processing, thermoset molding and size reduction. Ul 508a industrial control panels power distribution and. Around the globe, we help customers, purchasers and policymakers navigate market risk and complexity. This guide is not intended to be used in lieu of ul 508a or other regulatory standards.
Ul 508a, supplement sb is an approved method to determine sccr for industrial control panels and industrial machinery control panels. Spacing requirements for power distribution and terminal. A branch circuit fuse shall comply with the applicable parts of the ul 248 series of standards. With the release of the ul 508a, ul standard for safety for industrial control panels, an industryapproved method is now available. Underwriters laboratory ul ul508a industrial pump controllers csa csa c22. Spacing requirements for power distribution and terminal blocks. Ul 98 4 ul 1953 10 ul 508 5 ul 1059 10 ul 508a 8 ul 1283 11 ul 61010, 610101 8 ul 497b 11 ul 1449 11 topic page removes references to the bulletin 900 temperature controllers throughout. Classified, or verified wire and cable see appendix a for designations. Since they have not been investigated with electrical components, the.
Use outside these ratings must be judged in enduse application agency certifications. Ul reserves the right to change the format, presentation, file types and formats, delivery methods and formats. Industrial automation wiring and grounding guidelines 5 publication 17704. Ul 508a the standard ul 508a industrial machinery the following types of machines are identified as industrial machinery. Provides feeder circuit terminal spacing up to 600 volts per ul 508a, section 10. Panels for hazardous locations nrbx which are covered under ul698a panels containing intrinsic safety barriers and intended for circuits in hazardous areas. Lr42186 ce application protect mechanical, electrical and electronic equipment from low temperatures, condensation and corrosion with this thermostatically controlled, fandriven heater that maintains a. V or less 40 c ambient ul 508a standard does not include. Altech ul508 ul1077508 busbar system 4 please contact altech for details and further, protectors ul recognized and listed for use with most popular ul1077 supplementary protectors and ul508, polyamid 18mm2. While some are using the current version, others are using previous versions. Download flowchart pdf ul 508a or other regulatory standards.
Ullisted cables are suitable to the factory wiring of electrical equipment and machinery, as well as for field wiring on site. These requirements also cover industrial control devices or systems that store or process information and are provided with an output motor control functions. Ul 508a industrial control panels industrial control panels are rated. Requirements for industrial control panel safety, effective december 20, 2014. Ul standard for safety for industrial control equipment, ul 508. Ul 508a control panel design guide the easytodesign guide for selection of electrical control components in control panels used in industrial machinery applications this guide is provided to assist with the design of control panels per ult 508a, specifically for use in industrial machinery applications. Nkjh must be supplied with all required accessory parts specified with. Both ul 489 and ul 1077 devices must pass a series. With over a century of experience in the development of more than 1,500 standards, ul is an accredited standards developer in the us and canada. For industrial refrigeration energy savings through smart. Plastic box uses continuous gasket to achieve ip67, as well as nema 4x and 6 ratings.
A procedure document is written for each individual panel builder. Metalworking machine tools, machines that cut or form metal. This guide does not address wire and cable evaluated only for suitability as factoryinstalled. Feeder components that limit sccr available ul 508a sb4. Our processes are regularly inspected to be in compliance with the ul508a standard. Addressing updates to ul 508a 2nd edition panelbuilder. Equipment intended for use in hazardous locations, as defined in the national electrical code, ansinfpa 70, are covered by the standard for explosionproof. Technical information nema, ul and csa standards technical information en60529ip environmental ratings 599technical section 82701 11. 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. Panelite enclosure lights features slim profile allows. Chapter 9 planning the panel introduction when installing a plc for use in a control panel and for a factory floor application, the total hardware configuration must be considered.
A new subsidiary named simply ul llc, a limited liability corporation, took over underwriters laboratories product testing and certification business. Pdb in ul 508a, 480v feeder circuit must have spacing of 1. Our offerings expertly address business needs and industry challenges. Establish sccr of individual power circuit components ul 508a. The experienced electricians building these complex systems are truly dedicated to quality and customer satisfaction. In contrast to listed circuit breakers, ul 1077 supplementary protectors are recognized components. The technical information lv 1 t is saved as a pdf file on the cdrom which is enclosed with this catalog inside front cover. Our strategic solutions address complex, multifaceted problems, while our targeted services tackle specific concerns. Always consult all pertinent actual regulatory standards and local standard representatives to ensure full compliance.
In this example, the 125a circuit breaker is the largest shortcircuit protective device. Image you are bathing in bath tube, suddenly drier in operating dropping into bath tube, the current flows from drier through your body to ground under this situation. Heavycon connector enclosures receive ul 508a certification. Explosion proof boxes diecast aluminum enclosures carry an ip66 rating and are intended for use in explosive environments. A branch circuit fuse intended to be located in a directcurrent circuit shall be marked with a dc voltage rating. See annex c for examples of industrial machines covered by this standard. Actions required for new or revised components used in control panels for the usa. The general terms machine and machinery as used throughout this standard mean industrial machinery. In control cabinets according to ul 508a, power supplies evaluated according to ansiul 610102201 are permitted to be 100% loaded and do not require a 50% derating, as required for power supplies conforming to ul 609501. Ul standards listing for industrial control products. Ul 508a, supplement sb, provides an analytical method to determine the shortcircuit current rating of an industrial control panel.
Led lights are lightweight and in a small form factor while providing 400 lm of 60007000k light. Nfpa 79 electrical standard for industrial machinery. Nfpa 79 for the us in comparison to iec en 602041 for europe 2 be aware however, that in different states, different issues of the code apply. Underwriters laboratories ul on january 1, 2012, underwriters laboratories transformed from a nonprofit organization to a forprofit company in the u. Phoenix contacts connector enclosure series heavycon now meets the ul 508a standard for use in industrial control equipment. Understanding industrial control panels page 4 markings continued 4 shortcircuit current rating of the industrial control panel. For canada, the basic requirements are contained csa c22. Table 1 building wires and cables, including some industrial cables.
Selecting the right switch for the right application. Ul 508a procedure for establishing the sccr determination of the shortcircuit current rating sccr acc. Ul 508a standard for industrial control panels standards catalog. A ul508a certified shop all frick control products are built to meet or exceed the ul508a standard for industrial controls. Ul standards encompass uls extensive safety research and scientific expertise. How to use this guide the wire and cable types covered in this guide have been divided into three tables as follows.
Wallmount enclosur es concept e nclosure s concept concept mounting. Meanwhile, your heart palpitation unregulated and blood pressure falling down causes tragedy cant be redeemed. The ul category code for each wire and cable category is identified in tables 1, 2, and 3 of this marking guide. Ul 508a, industrial control panels ul 508c, power conversion equipment ul 845, motor control centers ul 891, switchboards ul 1741, inverters, converters, controllers and interconnection system equipment for use with distributed energy resources importantly, ul tests. Pdbs listed to ul 1953 meet these spacing requirements. Ul 508a, but is by no means an exhaustive guide, and does not cover all uses and applications associated with ul 508a regulations. Delivery time class dt preferred type a 2 working days b 1 week. Sccr of the installed and ullisted components sccr of listed components can be found on the device lable, manufacturer supplied certificate of compliance coc, or in ul508a table sb4. Questions such as how the plc will fit in the panel, what to include, and how to wire it. Electrical safety testing reference guide touch area. Ul 508a control panel design guide newark element14.