GE T60UJ3HKHF8NH6DM8LP67U67WXX is a high‑performance transformer management relay belonging to the GE Multilin T60 series, built on the industry‑proven UR platform for comprehensive protection, control, monitoring, and communication of medium‑to‑large power transformers. As a core protection device in modern power systems, GE T60UJ3HKHF8NH6DM8LP67U67WXX integrates advanced differential protection, adaptive inrush restraint, sensitive ground fault detection, and thermal monitoring to safeguard transformers against winding faults, overloads, overexcitation, and other abnormal conditions. It supports up to six winding connections and is compatible with autotransformers, generator step‑up transformers, phase‑angle regulating transformers, and reactors.
GE T60UJ3HKHF8NH6DM8LP67U67WXX features high‑speed processing, triple independent Ethernet ports, and native support for IEC 61850 Ed.1/Ed.2, IEEE 1588 time synchronization, and synchrophasor (PMU) functions, enabling seamless integration into smart substations and SCADA/DCS systems. With CyberSentry cybersecurity and rugged industrial construction, GE T60UJ3HKHF8NH6DM8LP67U67WXX ensures stable operation in harsh environments while meeting strict grid protection standards. It significantly improves asset reliability, reduces downtime, and extends transformer service life in utility, industrial, and critical power applications.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | T60UJ3HKHF8NH6DM8LP67U67WXX |
| Manufacturer | GE |
| Product Type | Multilin T60 Series Transformer Management Relay |
| Platform | UR Series Universal Relay |
| Protection Scope | Up to 6‑winding transformers, autotransformers, reactors |
| Key Protection | Differential, restricted earth fault, thermal, overexcitation, over/undervoltage |
| Communication Ports | 3× Ethernet (copper/fiber), RS485, USB |
| Supported Protocols | IEC 61850, DNP3, Modbus, IEEE C37.118 (PMU) |
| Time Synchronization | IEEE 1588 PTP (1 μs accuracy), IRIG-B |
| Operating Temperature | -40°C to +85°C |
| Power Supply | 85–265 VAC / 90–300 VDC |
| Mounting | Rack mounting, 19-inch |
| Display | 7-inch color graphical HMI |
Main Features and Advantages
Comprehensive transformer protection: GE T60UJ3HKHF8NH6DM8LP67U67WXX provides complete primary and backup protection with dual‑slope differential, adaptive 2nd‑harmonic inrush restraint, and sensitive earth‑fault detection down to 5% winding coverage, minimizing internal fault damage. It also includes thermal monitoring, hottest‑spot calculation, and loss‑of‑life estimation to support predictive maintenance.
High‑speed communication and smart grid readiness: Equipped with three independent Ethernet ports and full IEC 61850 implementation (including process bus and R‑GOOSE), GE T60UJ3HKHF8NH6DM8LP67U67WXX enables fast, reliable data exchange and wide‑area protection. Built‑in PMU functions eliminate the need for external devices, reducing system cost and complexity.
Robust security and reliability: GE T60UJ3HKHF8NH6DM8LP67U67WXX integrates CyberSentry cybersecurity to protect against unauthorized access and cyber threats. Its fanless, conformal‑coated design and wide temperature range ensure stable operation in high‑EMI, dusty, or humid substation environments. The modular architecture simplifies installation, expansion, and replacement, lowering total ownership cost.
Intuitive operation and diagnostics: The large color touch HMI provides real‑time visualization, event logging, and fault waveform recording (COMTRADE). EnerVista software supports offline configuration, online monitoring, and post‑event analysis, making commissioning and troubleshooting highly efficient.
Application Fields
Electric power utilities: GE T60UJ3HKHF8NH6DM8LP67U67WXX is widely deployed in transmission and distribution substations to protect main power transformers, autotransformers, and phase‑shifting transformers. It ensures grid stability, supports fast fault clearance, and complies with utility protection standards for safe and efficient power delivery.
Power generation facilities: In thermal, hydro, combined‑cycle, and renewable power plants, GE T60UJ3HKHF8NH6DM8LP67U67WXX safeguards generator step‑up transformers and unit auxiliary transformers. It coordinates with plant DCS systems to maintain stable power output and protect critical generation assets.
Industrial and heavy‑duty facilities: Oil and gas, petrochemical, metallurgical, and large manufacturing plants use GE T60UJ3HKHF8NH6DM8LP67U67WXX to protect medium‑voltage transformers that drive motors, compressors, and production lines. Its rugged design and high immunity ensure continuous operation in harsh industrial environments.
Data centers and critical infrastructure: GE T60UJ3HKHF8NH6DM8LP67U67WXX provides reliable protection for UPS and distribution transformers in data centers, hospitals, and transportation hubs, preventing unplanned outages and ensuring uninterrupted power for mission‑critical loads.
Smart grid and microgrids: Supporting IEC 61850 and PMU capabilities, GE T60UJ3HKHF8NH6DM8LP67U67WXX is ideal for smart substations and microgrid systems, enabling remote monitoring, automated control, and grid‑scale optimization.
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Installation and Maintenance
Installation preparation: Before installing GE T60UJ3HKHF8NH6DM8LP67U67WXX, confirm the 19‑inch rack space, correct power supply voltage, and proper cabinet grounding. Use shielded cables for CT/VT inputs and communication wiring to reduce electromagnetic interference. Verify all jumper settings and module slots match the configuration plan, and use ESD protection during handling to avoid component damage.
Maintenance recommendations: Perform regular visual inspections of GE T60UJ3HKHF8NH6DM8LP67U67WXX to check for loose connections, dust buildup, and abnormal indicators. Clean the HMI and ventilation areas periodically. Use EnerVista software to back up settings, review event logs, and run self‑diagnostics quarterly. Update firmware and security patches as recommended to maintain optimal performance and cyber protection. Avoid strong vibration or moisture near the unit to ensure long‑term reliability.
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