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  • UL 248-12:3ED 2011-05

    Current The latest, up-to-date edition.

    Low-Voltage Fuses - Part 12: Class R Fuses

    Available format(s):  Hardcopy

    Language(s):  English

    Published date:  13-05-2011

    Publisher:  Underwriters Laboratories

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

    Preface
    1 General
    4 Classification
    5 Characteristics
    7 Construction
    8 Tests

    Abstract - (Show below) - (Hide below)

    Revision pages have been issued for the Standard for Safety for Low-Voltage Fuses - Part 12: Class R Fuses, UL 248-12, to make editorial corrections to the title page. No changes in requirements have been made.

    Scope - (Show below) - (Hide below)

    This Part applies to Class R fuses rated 600 A or less and either 250 or 600 V ac. DC ratings are optional.

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

    Development Note Also numbered as CSA C22.2.248.12 & ANCE NMX-J-009/248/12. (04/2004)
    Document Type Standard
    Product Note NEW CHILD ADDED - UL 248-12 : 3 : 2017-12
    Publisher Underwriters Laboratories
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    A-A-59705-1 Revision A:2006 FUSE CARTRIDGE, DUAL-ELEMENT, TIME-DELAY, CLASS RK5, 250 VOLTS (V), BLOWN FUSE INDICATION
    A-A-59705-2 Revision A:2006 FUSE CARTRIDGE, DUAL-ELEMENT, TIME-DELAY, CLASS RK5, 600 VOLTS (V), BLOWN FUSE INDICATION
    A-A-59705-3 Revision A:2006 FUSE CARTRIDGE, TIME-DELAY, CLASS RK5, 600 VOLTS (V), BLOWN FUSE INDICATION
    A-A-59705 Revision A:2006 FUSE CARTRIDGE, LOW-VOLTAGE, CLASS RK5, BLOWN FUSE INDICATION, GENERAL REQUIREMENTS FOR
    W-F-1814 Revision D:2013 FUSES, CARTRIDGE, HIGH-INTERRUPTING CAPACITY
    CSA C22.2 No. 60335-1:2011 SAFETY OF HOUSEHOLD AND SIMILAR APPLIANCES - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 27 :2009 BUSWAYS
    UL 1640:4ED 2016-11 Portable Power-Distribution Equipment
    CSA C22.2 No. 254 : 2005(R2015) MOTOR CONTROL CENTRES
    CAN/CSA-C22.2 NO. 60947-1-13 (R2018) Low-voltage switchgear and controlgear - Part 1: General rules (Tri-national standard, with UL 60947-1 and NMX-J-515-ANCE)
    NEMA PB 1:2011 Panelboards
    NEMA KS 1:2013 Heavy Duty Enclosed and Dead-Front Switches (600 Volts Maximum)
    NEMA PB 2:2011 Deadfront Distribution Switchboards
    C22.2 NO. 4248.1-17 Fuseholders Part 1: General requirements (Trinational standard with UL 4248-1 and NMX-J-009/4248/1-ANCE)
    UL 1740:4ED 2018-01 Robots and Robotic Equipment
    C22.2 NO. 182.1-17 Plugs, receptacles, and cable connectors of the pin and sleeve type (Trinational standard with NMX-J-719-ANCE and UL 1682)
    UL 1778:5ED 2014-06 Uninterruptible Power Systems
    UL 778:6ED 2016-07 Motor-Operated Water Pumps
    UL 2106:2ED 2006-04 Standard for Field Erected Boiler Assemblies
    C22.2 NO. 236-15 Heating and cooling equipment (Bi-national standard with UL 1995)
    UL 1682:5ED 2017-02 Plugs, Receptacles, and Cable Connectors of the Pin and Sleeve Type
    UL 508A:3ED 2018-04 Industrial Control Panels
    UL 458:6ED 2015-09 Power Converters/Inverters and Power Converter/Inverter Systems for Land Vehicles and Marine Crafts
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    UL 771:9ED 2006-10 Night Depositories
    CSA C22.2 No. 27 : 2009 : R2013 BUSWAYS
    CAN/CSA-C22.2 NO. 60335-1:11 (R2016) Safety of household and similar appliances - Part 1: General requirements (Tri-national standard, with NMX-J-521/1-ANCE and UL 60335-1)
    UL 508:18ED 2018-03 Industrial Control Equipment
    CSA C22.2 NO. 178.3:17 Transfer switch equipment, over 1000 volts (Binational standard with UL 1008A)
    C22.2 NO. 27-09 (R2017) Busways (Tri-national standard, with UL 857 and NMX-J-148-ANCE)
    C22.2 NO. 280-16 Electric vehicle supply equipment (Tri-national standard, with UL 2594 and NMX-J-677-ANCE-2016)
    UL 730:5ED 2003-08 Oil-Fired Wall Furnaces
    CSA C22.2 NO. 60947-4-1:14 (R2019) Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters ( Bi-national standard, with UL 60947-4-1)
    CSA C22.2 No. 169 : 2015 ELECTRIC CLOTHES WASHING MACHINES AND EXTRACTORS
    UL 857:13ED 2009-03 Busways
    CSA C22.2 No. 263 : 2015 FIRE PUMP CONTROLLERS
    UL 729:6ED 2003-08 Oil-Fired Floor Furnaces
    UL 541:9ED 2016-04 Refrigerated Vending Machines
    CSA C22.2 No. 107.3 : 2014 UNINTERRUPTIBLE POWER SYSTEMS
    IEEE 242-2001 IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems (IEEE Buff Book)
    UL 198M:5ED 2018-04 Mine-Duty Fuses
    UL 775:3ED 1998-02 Standard for Graphic Arts Equipment
    UL 1008A:2ED 2017-09 Transfer Switch Equipment, Over 1000 Volts
    UL 60335-1:6ED 2016-10 Standard for Safety of Household and Similar Appliances, Part 1: General Requirements
    UL 731:6ED 2018-01 Oil-Fired Unit Heaters
    UL 1795:5ED 2016-09 Standard for Hydromassage Bathtubs
    CAN/CSA-C22.2 No. 62841-1 : 2015 ELECTRIC MOTOR-OPERATED HAND-HELD TOOLS, TRANSPORTABLE TOOLS AND LAWN AND GARDEN MACHINERY - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 27 : 2009 : INC : UPD 1 : 2011 BUSWAYS
    IEEE C37.13.1-2006 IEEE Standard for Definite Purpose Switching Devices for Use in Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear
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