Document Outline

• COVER
  • INTRODUCTION
  • REVISION HISTORY
  • CONTENTS
• 1 - GENERAL INFORMATION
  • INTRODUCTION
  • FEATURES
    • Advantages
  • SPECIFICATIONS
    • Current Sensing Input
      • BE1-50/51B-218
      • BE1-50/51B-228
    • Time Overcurrent (51) Element
      • BE1-50/51B-218 Pickup
      • BE1-50/51B-228 Pickup
      • Dropout
      • Timing Range
      • Timing Accuracy
      • Timing Accuracy Example (BE1-50/51B-218)
      • Curve Characteristics
      • Integrating Reset
    • Instantaneous Overcurrent (50) Element
      • BE1-50/51B-218 Pickup
      • BE1-50/51B-228 Pickup
      • Dropout
      • Curve Characteristics
    • Burden
      • BE1-50/51B-218
      • BE1-50/51B-228
    • Frequency Response
    • Transient Response
    • Harmonic Response
    • Target Indicators
    • Output Contacts
      • Resistive Ratings
      • Inductive Ratings
    • Type Tests
      • Isolation
      • Surge Withstand Capability
      • Impulse
      • Radio Frequency Interference (RFI)
      • Vibration
      • Shock
    • Environment
    • Agency Recognition
      • GOST-R Certification
    • 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
• 4 - INSTALLATION
  • GENERAL
  • MOUNTING
  • FACTORY SETTINGS
  • APPLICATION COORDINATION
  • CONNECTIONS
  • MAINTENANCE
  • STORAGE
• 5 - TESTING
  • GENERAL
  • DIELECTRIC TEST
  • OPERATIONAL TEST PROCEDURE
    • Test Equipment Required
    • Test Procedure, Models BE1-50/51B-218 (Five Ampere Sensing Input)
      • Time Pickup Test
      • INST Pickup Test
      • Time Dial Test
      • Target Test
      • Manual Trip Test
      • Integrating Reset Test
    • Test Procedure, Models BE1-50/51B-228 (One Ampere Sensing Input)
      • Time Pickup Test
      • INST Pickup Test
      • Time Dial Test
      • Target Test
      • Manual Trip Test
      • Integrating Reset Test
  • SETTING THE RELAY
  • PERIODIC TESTS
    • General
    • Periodic Test
• A - TIME CHARACTERISTIC CURVES
  • TIME CHARACTERISTIC CURVES