• UL 508A:3ED 2018-04

    Current The latest, up-to-date edition.

    Industrial Control Panels

    Available format(s):  Hardcopy

    Language(s):  English

    Published date:  24-04-2018

    Publisher:  Underwriters Laboratories

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    Table of Contents - (Show below) - (Hide below)

    PART 1 - GENERAL USE INDUSTRIAL CONTROL PANELS
    INTRODUCTION
    CONSTRUCTION
    RATING
    MARKINGS
    PART 2 - SPECIFIC USE INDUSTRIAL CONTROL PANEL TYPES
    ENCLOSURES
    INDUSTRIAL MACHINERY
    CRANE CONTROL
    SERVICE EQUIPMENT USE
    ELEVATOR CONTROL
    FLAME CONTROL
    MARINE USE
    AIR CONDITIONING AND REFRIGERATION EQUIPMENT
    SUPPLEMENT SA - SPECIFIC COMPONENT REQUIREMENTS
    COMPONENT REQUIREMENTS
    SUPPLEMENT SB - SHORT CIRCUIT CURRENT RATINGS FOR INDUSTRIAL
                    CONTROL PANELS
    APPENDIX A - Standards for Components
    APPENDIX B - USE OF COMPONENTS NOT UL LISTED OR RECOGNIZED IN
                 INDUSTRIAL CONTROL PANELS

    Abstract - (Show below) - (Hide below)

    This revision of ANSI/UL 508A dated August 5, 2021 is being issued to correct an error that occurred during publication of revisions to Table 52.1, Locations of Required Markings.

    Scope - (Show below) - (Hide below)

    These requirements cover industrial control panels intended for general industrial use, operating from a voltage of 1000 volts or less.

    General Product Information - (Show below) - (Hide below)

    Development Note NEW CHILD REV 2 2020 IS ADDED NEW CHILD REV 5 2021 IS NOW ADDED.
    Document Type Standard
    Product Note NEW CHILD REV 2 2020 IS ADDED NEW CHILD REV 3 2020 IS ADDED NEW CHILD REV 3 2020 IS ADDED NEW CHILD REV 5 2021 IS NOW ADDED.
    Publisher Underwriters Laboratories
    Status Current

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    UL 248-3:2ED 2000-08 Low-Voltage Fuses - Part 3: Class CA and CB Fuses
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    UL 248-11:3ED 2011-05 Low-Voltage Fuses - Part 11: Plug Fuses
    UL 499:14ED 2014-11 Electric Heating Appliances
    UL 1063:8ED 2017-07 Standard for Machine-Tool Wires and Cables
    UL 248-4:2ED 2000-08 Low-Voltage Fuses - Part 4: Class CC Fuses
    UL 372:6ED 2007-07 Automatic Electrical Controls for Household and Similar Use - Part 2: Particular Requirements for Burner Ignition Systems and Components
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    UL 248-9:2ED 2000-08 Standard for Low-Voltage Fuses - Part 9: Class K Fuses
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    UL 13:4ED 2015-03 Power-Limited Circuit Cables
    UL 248-2:2ED 2000-08 Low-Voltage Fuses - Part 2: Class C Fuses
    UL 60730-1:5ED 2016-08 Automatic Electrical Controls - Part 1: General Requirements
    UL 924:10ED 2016-05 Emergency Lighting and Power Equipment
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    UL 496:14ED 2017-09 Lampholders
    UL 248-5:2ED 2000-08 Standard for Low-Voltage Fuses - Part 5: Class G Fuses
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