Basic Features

• Housed in a 4U high and size 4 non-withdrawable case 
• Provides protection, monitoring, instrumentation, and metering with integrated input and output logic, data logging, and fault reports
• Provides communication access to the relay functionality via a front USB port for local PC connection or rear electrical RS485 port for remote connection
• Wide range of measured values viewable on the front LCD or remotely via communications channel
• Integrated control feature allows motor to be operated safely and start/stop operations to be monitored
• Password protection
• Circuit breaker trip counter
• Fault, event, and waveform records
• Protection from undercurrent (37)
• Current unbalance protection (46)
• Protection from phase reversal (46Ph Rev)
• Start protection (48/66)
• Time-overcurrent protection (50/51)
• Protection from earth fault (50/51G/N)
• Backspin protection (81B)
• Temperature inputs (RTD)
• Circuit‑breaker failure protection (50BF)
• CT supervision (60CTS)
• Trip circuit supervision (74T/CCS)