The F35 (Model: F53U04HKHF8LH6TM6EP6TUXXWXX) is a high-performance, integrated feeder protection and control relay from the GE Multilin Universal Relay (UR) family. This module is engineered to provide comprehensive protection, monitoring, and metering for multiple feeders within a single, cost-effective chassis. The F35 (Order Code: F53U04HKHF8LH6TM6EP6TUXXWXX) is capable of managing up to five feeders with busbar voltage measurement or up to six feeders without bus VT, significantly reducing the hardware footprint and installation costs in utility substations and large industrial power plants.
Built on the modular UR platform, the F35 (Model: F53U04HKHF8LH6TM6EP6TUXXWXX) features high-speed processing and synchronized sampling, ensuring precise fault detection and coordination. It utilizes the powerful FlexLogic™ engine to allow engineers to create customized protection and control schemes. With native support for IEC 61850, DNP3, and IEEE C37.118 (Synchrophasors), this system provides the high-fidelity data and deterministic communication required for modern smart grid and automated substation environments.
The F35 system is optimized for high-density feeder management and high-resolution oscillography recording.
Manufacturer: GE Multilin (GE Grid Solutions)
Model Number: F53U04HKHF8LH6TM6EP6TUXXWXX
Series: Universal Relay (UR) Series
Product Type: Multi-Feeder Protection & Control System
Protection Elements:
Phase/Ground Overcurrent (50P/51P, 50G/51G)
Directional Overcurrent (67P/67G)
Under/Over Voltage (27/59)
Under/Over Frequency (81U/O)
Thermal Image Protection (49) and Negative Sequence (46)
Multi-Shot Autoreclosing (79) for up to 6 feeders
Feeder Capacity: Up to 5 feeders with Bus VT / 6 feeders without Bus VT
Logic Engine: FlexLogic™ with support for 1024 lines of user-programmable logic
Sampling Rate: 64 samples per cycle for high-resolution waveform capture
Data Recording: 1024 sequence-of-events (SOE) records; transient oscillography
Communication Protocols: IEC 61850, Modbus TCP/RTU, DNP 3.0, IEC 60870-5-104, EGD
Synchrophasor: Integrated PMU functionality per IEEE C37.118
Cybersecurity: CyberSentry™ technology (RBAC, AAA, Syslog, SFTP)
Power Supply (HKH Variant): High-voltage Universal AC/DC (88–300 VDC / 88–265 VAC)
Analog Inputs: Modular 1A/5A secondary current transformer (CT) support
Operating Temperature: –40°C to +85°C (Utility Grade)
Software Interface: EnerVista™ UR Setup and Analysis tools
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