
UR6CH UR 6CH GE multilin UR Module
The GE UR-6CH is a protection relay designed as part of the GE Multilin UR Series for protection, control, and automation of electrical power systems. The UR-6CH is a current differential relay, primarily used for transformer protection and other applications requiring differential protection. It is designed to provide advanced protection for transformers, ensuring that any internal faults (such as phase-to-phase or phase-to-ground faults) are quickly detected and isolated, preventing further damage.
UR6CH, GE | Industrial Controls
Multilin UR & UR Plus
The Universal Relay family of protection and control products are built on a common modular platform. All UR products feature high performance protection, expandable I/O, integrated monitoring and metering, high-speed communications, and extensive programming and configuration capabilities. The UR is the basis of simplified power management for the protection of critical assets.

- Differential Protection: The UR-6CH provides high-speed current differential protection, offering reliable fault detection in power transformers and other electrical equipment where sensitive protection is critical.
- High Sensitivity: Capable of detecting very low fault currents, making it ideal for protecting transformers with high-load variance or those subject to difficult-to-detect internal faults.
- Multiple Protection Elements: Includes various protection schemes such as phase differential, ground differential, overcurrent protection, and harmonic restraint to improve fault detection accuracy and minimize nuisance trips.
- Advanced Fault Detection: The relay continuously monitors current flow to detect any discrepancies, and can trip the circuit breakers in milliseconds to minimize transformer damage.
- Flexible Configurations: Easily customizable to accommodate different transformer ratings, configurations, and specific application needs.
- Self-Testing & Diagnostics: Features built-in self-testing and diagnostic capabilities, ensuring the integrity and readiness of the protection system at all times.
- Communication & Integration: Supports communication protocols like Modbus, DNP3, and IEC 61850 for seamless integration into existing SCADA or other automation systems.
- Event Logging: Provides detailed event and fault logs, aiding in post-event analysis and troubleshooting.
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