GE Multilin G60-N03-AKH-F8L-H6G-M8L-P67-U67-WXX Generator Protection Relay

Overview

The GE Multilin G60-N03-AKH-F8L-H6G-M8L-P67-U67-WXX is a high-performance Generator Protection Relay. It protects medium and large generators against electrical faults and abnormal operating conditions. GE designed this device for reliable operation in industrial and utility environments. It combines protection, monitoring, control, and cybersecurity in one robust platform.

Technical Specifications

Power Supply

• Control Voltage: 70–265 VAC / 90–300 VDC

Communication Interfaces

• Serial Ports: RS232 and RS485

• Network Ports: Dual Ethernet (IEC 61850, Modbus TCP/IP, DNP3)

• Protocols: Modbus, DNP3, IEC 61850, FTP, SNTP, IEEE 1588 (PTP)

Protection Functions

• Current-Based Protection:

• Phase Overcurrent (50/51)

• Ground Overcurrent (50G/51G)

• Negative Sequence Overcurrent (46)

• Voltage/Power-Based Protection:

• Over/Under Voltage (59/27)

• Over/Under Frequency (81O/U)

• Power Factor Monitoring

• Differential Protection:

• Generator Differential (87G)

• Thermal and Arc Flash:

• RTD Monitoring

• Arc Flash Detection (AFD)

Monitoring and Control

• Display: Full-color LCD, dynamic SLD

• Local Control: Programmable push buttons and LEDs

• Data Logging: 512 time-tagged events, waveform capture, disturbance records

Inputs/Outputs

• Digital Inputs: Configurable, dry contact

• Digital Outputs: Trip-rated relays, programmable logic

• Analog Inputs: RTD, current, voltage

Environmental Ratings

• Operating Temperature: –40°C to +60°C

• Humidity: Up to 95% non-condensing

• Coating Option: Conformal coating available (for corrosive environments)

Mounting and Standards

• Mounting: Panel or rack

• Certifications: IEEE C37.90, IEC 60255, UL, CSA, CE

• Cybersecurity: CyberSentry™ Level 1/2 compliance