GE UR8LH Multifunction Digital Relay Protection Module in stock
GE UR8LH is a universal relay module belonging to the GE Multilin UR series, designed for power system protection, monitoring and control. It integrates multi-functional protection logic for generator, transformer and feeder electrical equipment.
This unit collects current and voltage signals, provides fault recording and event logging functions, and supports multiple industrial communication protocols. It is discontinued legacy spare part, commonly used for replacement and overhaul of power substation protection systems.
Main Specifications
| Item | Parameter |
| [1] Brand | GE Multilin |
| [2] Model | UR8LH |
| [3] Product Type | Multifunction Digital Protection Relay |
| [4] Series | Universal Relay (UR) Series |
| [5] Application Object | Generator, transformer, feeder protection |
| [6] Input Signal | AC current & voltage analog signals |
| [7] Communication | Ethernet, RS485 |
| [8] Function | Fault recording, event log, protection tripping |
| [9] Mounting | Panel mounting for substation cabinet |
| [10] Operating Temp | -20℃ ~ +60℃ |
Core Functions
| Function | Description |
| [1] Comprehensive Power Protection | Implement overcurrent, overvoltage, undervoltage and other protection functions for power equipment. |
| [2] Electrical Signal Acquisition & Monitoring | Real-time sampling and measurement of current, voltage, power and frequency parameters. |
| [3] Fault Recording & Event Logging | Capture fault waveform and record operation events for post-fault analysis. |
| [4] Remote Data Communication | Upload real-time data to SCADA system via Ethernet and RS485 interfaces. |
| [5] Trip Control Output | Trigger trip signal to cut off circuit when abnormal electrical faults occur. |
Application Scenarios
| Industry | Usage |
| [1] Power Substation | Generator, transformer and distribution feeder protection and monitoring. |
| [2] Thermal Power Plant | Auxiliary power system protection and fault diagnosis for power stations. |
| [3] Oil & Gas Plant | On-site power distribution protection for industrial power consumption systems. |
| [4] Legacy Power Protection System Maintenance | Spare replacement for aging GE UR series protection relays. |
FAQ
| Question | Answer |
| [1] What is GE UR8LH? | It is GE Multilin UR series multifunction digital protection relay for power system. |
| [2] What are its main protection objects? | It is used for generator, transformer and distribution feeder protection. |
| [3] What communication interfaces are supported? | Ethernet and RS485 serial communication interfaces are available. |
| [4] Is it obsolete spare part? | Yes, it is legacy spare for maintenance of old GE UR relay protection systems. |
