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2026-05-20 09:16:11
GE Multilin UR vs. 750/760: Key Differences, Features, and Ideal Use Cases
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Sandy Lin - Amikon Gorden Partner
With 15+ year experience in automation parts supply, Sandy has served over 8,000 clients, achieving an 85% satisfaction rate. The supplied products are applied in government departments, involving various fields such as petrochemicals, metallurgy, steel, wind power, hydropower, aviation, packaging and transportation, etc. Her professional services and rapid response have earned it a highly praised reputation in the automation industry.She can perceive market changes, provide timely solutions to customers, and achieve sustainable long-term cooperation.
What is the GE Multilin UR (Universal Relay) Family? Why is it crucial for power system protection?
The GE Multilin UR (Universal Relay) Family, from GE Vernova, is a flagship protection and control product line. Built on a unified modular platform, all UR relays offer high-performance protection, expandable I/O, integrated metering, high-speed communications, and powerful programming. Its design philosophy is "One Platform, Unlimited Applications," enabling flexible configuration of multiple functions through common hardware, simplifying asset management and reducing lifecycle costs.
Core Architecture and Functional Features
The GE Multilin UR family uses a universal modular platform with plug-and-play capability, reducing spare parts and downtime. It features a 7-inch color display, flexible I/O including high-density modules (120 inputs or 72 outputs) and RTD inputs. Triple Ethernet ports, process bus modules for IEC 61850-9-2LE and HardFiber, plus serial and fiber-optic IRC interfaces ensure robust connectivity. A high-performance DSP engine enables sub-cycle protection. CyberSentry UR provides hardware-level cybersecurity. Wide-range redundant power supplies ensure availability.
Applications of the GE Multilin UR Family Across Power Systems
The GE Multilin UR family protects critical assets across generation, transmission, and distribution networks. It provides comprehensive protection for transformers, generators, motors, busbars, feeders, and transmission lines. The platform supports substation and industrial automation, digital substations via IEC 61850 process bus, and wide-area monitoring with PMU capabilities. Additionally, it enables predictive maintenance and smart grid integration for distributed energy resources, making it ideal for utilities and industrial facilities alike.
Key Features and Applications of the GE Multilin 750/760 Feeder Protection System
The GE Multilin 750/760 is an easy‑to‑use digital feeder relay with draw‑out construction, built‑in metering, I/O monitoring, IRIG‑B sync, event reports, waveform capture, data logging, simulation, flash field upgrades, optional conformal coating, and DNP/Modbus/Ethernet support. It provides primary protection and control for distribution feeders (solid, high‑impedance, or resonant grounded systems), bus blocking, arc flash mitigation, bus transfer, load shedding, backup protection for lines/feeders/transformers, and distributed generation interconnect protection.
750-P5-G5-S5-HI-A20-R-TGE Multilin UR vs. 750/760 – Key Differences and Ideal Use Cases
The GE Multilin UR series is a next‑generation, modular universal protection platform for digital substations and complex applications, while the 750/760 is a discontinued, early‑generation dedicated feeder relay suitable only for legacy system maintenance in simple industrial or harsh environments.
We help keep your GE Multilin systems running!
We've expanded our offering of GE Multilin protection relays — including the 750/760 feeder systems and the UR universal platform — with upgraded technical support for both legacy and modern protection applications.
Keeping You Protected with…
Expanded 750/760 Feeder Stock | UR Universal Platform Solutions
We've expanded our offering of GE Multilin protection relays — including the 750/760 feeder systems and the UR universal platform — with upgraded technical support for both legacy and modern protection applications.
Keeping You Protected with…
Expanded 750/760 Feeder Stock | UR Universal Platform Solutions
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Contact UsFrequently Asked Questions
Q:What are GE Multilin relays used for?
A:Multilin relays are primarily utilized in utility and industrial applications to protect high-value equipment. Specific applications include:Motors,Feeders,Generators & Transformers.
Q:Do all Multilin relays use the same software?
A:No. Unlike competitors, GE Multilin requires distinct setup software tailored to each specific device family (e.g., SR Series vs. 8 Series vs. UR Series).
Q:What are the benefits of Multilin Relays?
A:Multilin relays must stand up to rugged industrial standards. Most have front panel displays for viewing and programming in the field as well as RS232/RS485 ports to network and download data. Front panel LEDs are easy to read and the front keypad makes it simple to toggle through values and fault diagnosis information, as well as to set new data points.
References
https://www.gevernova.com/grid-solutions/sites/default/files/2025-11/Multilin-750-760-Brochure-EN-31955-Hybrid-202504-R002.pdf
https://www.gevernova.com/grid-solutions/automation/protection-control-metering/multilin-ur-family
https://www.gevernova.com/grid-solutions/sites/default/files/resources/products/support/ur/ger-4467.pdf
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