Basic Features

• Has integral back-up overcurrent/earth fault protection and intertripping channels
• Relays are connected with a fully supervised fibre optic protection communciations link
• Relays have four current inputs and are housed in E6 cases
• Provides integrated logic to allow optimal configuration of relay protection functionality with relays analogue inputs and binary input/output circuits
• Data communication channels allow access to protection and instrumentation functionalities with a front USB port, and RS485 and IEC 61850 optional rear ports
• Password protection
• Circuit breaker trip counter
• Fault, event, and waveform records
• 3-phase, phase segregated current differential protection
• Protection from overcurrent (50, 51)
• Circuit breaker fail (50BF)
• Historical Demand Record