Technical Specifications:

1. Model: UR8LH
2. Type: Universal Protection Relay
3. Power Supply:
   • Rated Voltage: Typically operates within a range of input voltages. Specific voltage ratings should be confirmed with the datasheet.
   • Voltage Range: Designed to handle various input voltages; exact ranges are detailed in the datasheet.
   • Power Consumption: Information on power consumption and requirements is available in the datasheet.
4. Current Inputs:
   • CT Inputs: Accepts inputs from current transformers (CTs). The relay supports different CT ranges depending on application needs; specific details are provided in the datasheet.
5. Communication Ports:
   • Ethernet: For network connectivity, enabling remote access, monitoring, and integration with other systems.
   • RS-485: Serial communication port for interfacing with other control devices.
   • Optional Ports: May include additional communication interfaces such as USB or fiber optics, depending on configuration.
6. Dimensions: Typically designed to fit standard panel mountings; exact dimensions and mounting details are specified in the datasheet.
7. Environmental Conditions:
   • Operating Temperature: Generally operates within a range of -20°C to +60°C.
   • Humidity: Designed to work in environments with relative humidity up to 95% non-condensing.

Functional Features:

1. Protection Functions:
   • Overcurrent Protection: Provides protection against overcurrent conditions with adjustable settings.
   • Differential Protection: Compares currents between different points to detect and isolate faults within a defined zone.
   • Distance Protection: Measures impedance to protect against faults occurring at varying distances from the relay.
   • Frequency Protection: Monitors and provides protection against abnormal frequency conditions.
   • Voltage Protection: Includes undervoltage and overvoltage protection functions.
   • Phase and Ground Fault Protection: Detects and responds to phase and ground faults to maintain system integrity.
2. Control Functions:
   • Automation: Supports automation of switching and control functions for enhanced operational efficiency.
   • Programmable Logic: Provides programmable logic capabilities for customized protection and control schemes.
3. Monitoring and Diagnostics:
   • Real-Time Monitoring: Offers real-time data on electrical parameters such as voltage, current, and power.
   • Event Logging: Records and logs events, alarms, and operational data for analysis and troubleshooting.
   • Alarms and Notifications: Configurable alarms for various fault conditions and system anomalies.
4. User Interface:
   • Display: Equipped with an LCD or similar display for local monitoring, configuration, and diagnostics.
   • Software Tools: Compatible with GE’s configuration and diagnostic software for comprehensive system management and analysis.

Applications:

1. Industrial Protection:
   • Machinery and Equipment: Protects industrial machinery and critical equipment from electrical faults and disturbances.
   • Control Panels: Used in control panels to ensure the reliable operation of industrial processes and equipment.
2. Utility Protection:
   • Substation Protection: Provides protection for electrical substations and associated distribution networks.
   • Grid Protection: Enhances the stability and reliability of power grids.
3. Commercial Buildings:
   • Power Distribution: Protects power distribution systems within commercial buildings.
   • Critical Infrastructure: Safeguards critical electrical systems and infrastructure.
4. Power Generation:
   • Generator Protection: Ensures the protection and reliable operation of power generation equipment.

Additional Information:

• Software Compatibility: Integrates with GE’s protection and control software for advanced configuration, monitoring, and analysis.
• Installation: Designed for easy installation in standard control panels or enclosures; detailed installation instructions are provided in the product manual.
• Certification and Compliance: Meets industry standards and certifications for safety, performance, and electromagnetic compatibility (EMC).