The GE Multilin UR 6TH is a specialized protection module designed for the Universal Relay (UR) platform, primarily focused on Transformer Protection. It provides comprehensive monitoring and high-speed protection for power transformers, ensuring the safety of critical assets in utility substations and large-scale industrial distribution networks. By analyzing current and voltage inputs, the module detects internal and external faults, such as winding shorts, core saturation, and through-fault conditions.

⚙️ Technical Specifications

• Module Type: Transformer Protection and Monitoring Module (6TH).

• Application: High-voltage transformer differential protection, restricted earth fault, and over-current protection.

• Compatibility: Integrates seamlessly into the GE Multilin Universal Relay (UR) chassis.

• Input Sensing: Supports multi-phase current and voltage inputs for differential protection logic.

• Processing: Features advanced digital signal processing (DSP) to distinguish between normal magnetizing inrush currents and actual internal fault currents.

• Communication: Utilizes the high-speed UR internal bus to share data with other protection and control modules within the same relay.

📏 Physical & Logistics Attributes

• Design: Ruggedized, hot-swappable plug-in module for front-access maintenance.

• Weight: Approximately 0.55 kg.

• Country of Origin: United States.

🌟 Recommended Related Multilin UR Series Modules

To ensure a robust protection and control strategy for your transformer, these eight modules are commonly utilized within the UR ecosystem to provide comprehensive station management:

1. UR 8IO – Digital I/O module for status monitoring and trip/close control.

2. UR 8RTD – RTD input module for monitoring transformer winding and oil temperatures.

3. UR 8CT/VT – Standard input card for primary electrical measurement.

4. UR 16DI – High-density digital input card for alarm and status signaling.

5. UR 8DO – Form-C relay output module for initiating lockout or alarm relays.

6. UR 4AO – Analog output module for SCADA telemetry and metering.

7. UR CPU – Main processor module responsible for executing protection logic and relay settings.

8. UR PSM – Power supply module providing isolated DC voltage to the relay chassis.