UL 2111
Standard for Overheating Protection for Motors

DETAILS
Edition Number:1SCC Approved:--
Edition Date:1997-03-28DOD Approved: --
Price Code:BANSI Approved: --
Type:ulstd

  • SCOPE

    1 Scope

    1.1 The requirements in this standard cover:

    a)    Deleted

    b)    Deleted

    c)    Thermal-protective devices.

    d)    Deleted

    1.2 Deleted

    1.3 Deleted

    1.4 Deleted

    1.5 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
    • UL Foreword
      • Body
        • Part
          • INTRODUCTION
          • 1 Scope
          • 2 Units of Measurement
          • 3 Glossary
          • 3A Components
          • 4 Application of Requirements
        • PART I – ALL MOTORS
          • 5 General
          • 5A Dielectric Voltage-Withstand Test
        • PART II – IMPEDANCE-PROTECTED MOTORS
          • CONSTRUCTION
          • 6 General
          • PERFORMANCE
          • 7 Locked-Rotor Temperature Test
          • 8 Dielectric Voltage Withstand Test
          • 9 Locked-Rotor Endurance Test
          • MARKINGS
          • 9A Details
        • PART III – THERMAL-DEVICE-PROTECTED MOTORS
          • CONSTRUCTION
          • 10 General
          • 11 Spacings
          • 11A Solid-State Circuitry-Protected Motors
          • PERFORMANCE
          • 12 General
          • 12A Solid-State Circuitry-Protected Motors Tests
          • 13 Running Heating Temperature Test
          • 14 Locked-Rotor Temperature Test
          • 15 Dielectric Voltage-Withstand Test
          • 16 Locked-Rotor Endurance Test
          • MARKINGS
          • 16A Details
        • PART IV – THERMAL PROTECTORS
          • CONSTRUCTION
          • 17 General
          • PERFORMANCE
          • 18 Limited Short Circuit Test
          • 19 Protector Insulation Test
          • MARKINGS
          • 19A Details
        • PART V – MOTOR MANUFACTURING AND PRODUCTION LINE TESTS
          • 20 Dielectric Voltage-Withstand Test
        • PART VI – MARKINGS
          • 21 Impedance-Protected Motors (Part I)
          • 22 Thermal-Device-Protected Motors (Part II)
          • 23 Thermal Protectors (Part III)
    • APPENDIX A
    • Superseded List