UL 98A
Outline of Investigation for Open Type Switches

DETAILS
Edition Number:2SCC Approved:--
Edition Date:2014-07-11DOD Approved: --
Price Code:AANSI Approved: --
Type:outline

  • SCOPE

    1 Scope

    1.1 These requirements cover open type switches for installation without an enclosure, where acceptable, or for installation in a panelboard, switchboard, motor control center, industrial control panel or the like, or for installation in a Listed cabinet or cutout box in accordance with the switch installation instructions.

    1.2 Open type switches are manually operable by means of an external handle.

    1.3 These requirements also cover motor operators for use with enclosed switches.

    1.4 These requirements are intended to be used in conjunction with the requirements specified in the Standard for Enclosed and Dead-Front Switches,UL 98, except as modified or supplemented by this Outline.

  • TABLE OF CONTENTS
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    • Outline Title Page
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Components
          • 3 Units of Measurement
          • 4 Undated References
          • 5 Glossary
        • CONSTRUCTION
          • 6 Enclosure
          • 7 Operating Handle
          • 8 Electrical Operators
            • 8.1 General
            • 8.2 Mounting
            • 8.3 Field wiring
            • 8.4 Strain relief
            • 8.5 Installation
          • 9 Spacings
        • PERFORMANCE
          • 10 Test Enclosure Details
            • 10.1 General
            • 10.2 Electrical operator interrupting tests
            • 10.3 Electrical operator endurance test
            • 10.4 Temperature test on coils and windings
            • 10.5 Dielectric voltage-withstand test
            • 10.6 Strain relief
        • RATINGS
          • 11 Details
        • MARKING
          • 12 Details
          • 13 Electrical Operators
    • APPENDIX A (normative)