Document Outline

• COVER
• INTRODUCTION
• REVISION HISTORY
• CONTENTS
• 1 • GENERAL INFORMATION
  • Introduction
  • Features
    • Advantages
  • Model Numbers
  • Specifications
    • Current Sensing Input
      • 1 Ampere Unit
      • 5 Ampere Unit
    • Time Overcurrent (51) Element
      • 1 Ampere Unit Pickup
      • 5 Ampere Unit Pickup
      • Dropout
      • Timing Range
      • Timing Accuracy
      • Timing Accuracy Example (5 Ampere Unit)
      • Curve Characteristics
      • Integrating Reset
    • Instantaneous Overcurrent (50) Element
      • 1 Ampere Unit Pickup
      • 5 Ampere Unit Pickup
      • Dropout
      • Curve Characteristics
    • Burden
      • 1 Ampere Unit
      • 5 Ampere Unit
    • Frequency Response
    • Transient Response
    • Harmonic Response
    • Target Indicators
    • Output Contacts
      • Resistive Ratings
      • Inductive Ratings
    • AUX Output Contact
    • Type Tests
    • Environment
    • Agency Recognition
      • UL Recognized/CSA Certified
      • GOST-R Certification
    • Patent
    • Physical
• 2 • CONTROLS AND INDICATORS
  • Introduction
• 3 • FUNCTIONAL DESCRIPTION
  • General
  • Functional Description
    • Sensing Input
    • Power Supply
    • Instantaneous Signal
    • Time Signal
    • Microprocessor
    • Power-Off Sensing
    • Outputs
      • Instantaneous and Timed
      • Auxiliary
• 4 • INSTALLATION
  • General
  • Mounting
  • Connections
  • Maintenance
  • Storage
• 5 • TESTING
  • General
  • Dielectric Test
  • Operational Test Procedure
    • Test Equipment Required
    • Test Procedure for Five Ampere Units
      • TIME Pickup Test
      • INST Pickup Test
      • Time Dial Test
      • Integrating Reset Test (Applicable Only to 200 Series Relays)
      • Target Test
      • Manual Trip Test
    • Test Procedure for One Ampere Units
      • TIME Pickup Test
      • INST Pickup Test
      • Time Dial Test
      • Integrating Reset Test (Applicable Only to 200 Series Relays)
      • Target Test
      • Manual Trip Test
  • Setting The Relay
  • Periodic Tests
    • General
    • Periodic Test
• 6 • RELAY DIFFERENCES
  • General
  • Differences
• A • TIME CHARACTERISTIC CURVES
  • Time Characteristic Curves