MPR-100 Motor Protection Relay

Applications

• Protection of three-phase asynchronous motors
• Commercial & industrial
• Power quality analysis
• CCM Motor Control Center Automation

Digital Measurement

• True RMS Phase Currents
• True RMS Line Voltage
• Active Power (kW)
• Reactive Power (kvar)
• Apparent Power (kVA)
• Power Factor (PF)
• Voltage and Current THD
• Frequency (Hz)
• Voltage and Current Harmonics (up to 11th)
• Vectorial Ground Current
• Energy
• Phase Sequence
  

Applicability

• Systems: Wye or Delta three-phase
• Frequency: 50/60 Hz
• Current: up to 6000 A max (or up to 400 A max with Orion Italia standard CTs for MPR)
• Voltage: up to 277/480Vac (direct measure) or external VT

Signalling and Programming

• Graphic LCD & LED based HMI
• Indication of fault conditions
• Indication of the system status
  

Communication

• RS485 port, Modbus RTU Protocol
  

Protection and Functionality

• Under Voltage ANSI 27
• Over Voltage ANSI 59
• Phase Reversal ANSI 47
• Mechanical Jam
• Overload Protection (thermal capacity) ANSI 49
• Acceleration Timer
• Current Unbalance ANSI 46
• Ground Fault ANSI 51G (TIMED)
• Load Increase
• Undercurrent ANSI 37

Link