UL 248-12
Low-Voltage Fuses - Part 12: Class R Fuses

DETAILS
Edition Number:3SCC Approved:--
Edition Date:2011-05-13DOD Approved: --
Price Code:AANSI Approved: 2015-08-18
Type:ulcsance

  • SCOPE

    1.1 Scope

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

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • UL Harmonized Standard Title Page
    • Table of Contents
      • Low-Voltage Fuses – Part 12: Class R fuses
        • 1 General
          • 1.1 Scope
        • 4 Classification
        • 5 Characteristics
          • 5.2 Voltage rating
          • 5.3 Current rating
          • 5.5 Interrupting rating
          • 5.6 Peak let-through current and clearing It characteristics
        • 7 Construction
          • 7.1 Dimensions
        • 8 Tests
          • 8.2 Verification of temperature rise and current-carrying capacity
          • 8.3 Verification of overload operation
          • 8.4 Verification of operation at rated voltage
          • 8.5 Verification of peak let-through current and clearing It characteristics