Protection Functions

• Undercurrent (37)
• Broken Conductor (46BC)
• Negative Phase Sequence Overcurrent (46NPS)
• Thermal Overload (49)
• Overcurrent (50, 51)
• Earth Fault (50G, 50N, 50SEF, 51G, 51N, 51SEF)
• Directional Control of Overcurrent & Earth Fault (67)
• High Impedance REF (64H)
• Under/Over Voltage (27/59)
• Negative Phase Sequence Voltage (47)
• Voltage Controlled Overcurrent (51V)
• Neutral Voltage Displacement (59N)
• Under/Over Frequency (81)

Supervision Functions

• CT Supervision (60CTS)
• Trip & Close Circuit Supervision (74T/CCS)
• VT Supervision (60VTS)
• Inrush Detector (81HBL2)
• Circuit Breaker Fail (50BF)
• Control FunctionsAuto Reclose (79)

Monitoring Functions

• Primary/Secondary Current Phases and Earth Direction
• Primary/Secondary Line and Phase Voltages
• Apparent Power and Power Factor
• Real and Reactive Power
• W Hr & VAr Hr Forward and Reverse
• Historical Demand Record
• Positive Phase Sequence (PPS) Voltage & Current
• Negative Phase Sequence (NPS) Voltage & Current
• Zero Phase Sequence (ZPS) Voltage

Main Features

• Cold Load Settings
• Four Settings Groups
• Password Protection - 2 levels
• User Programmable Logic
• Self Monitoring
• Circuit Breaker Trip Counter and Timer
• Fault, event and waveform records