Technical Specifications:

1. Model: UR8NH
2. Type: Universal Protection Relay
3. Power Supply:
   • Rated Voltage: Typically operates with input voltages ranging from 48V to 250V DC or 120V to 240V AC. Exact values should be verified with the datasheet.
   • Power Consumption: Details on power consumption and specific requirements can be found in the datasheet.
4. Current Inputs:
   • CT Inputs: Accepts input from current transformers (CTs). The relay is designed to handle various CT ranges based on the application; specific ranges and accuracy are detailed in the datasheet.
5. Communication Ports:
   • Ethernet: Supports Ethernet for network communication, remote monitoring, and integration with other systems.
   • RS-485: Provides serial communication for interfacing with additional control devices.
   • Optional Ports: May include additional communication interfaces such as USB, fiber optics, or others depending on configuration.
6. Dimensions: Designed to fit standard panel mounts. Detailed dimensions are provided in the datasheet.
7. Environmental Conditions:
   • Operating Temperature: Typically functions within a temperature range of -20°C to +60°C.
   • Humidity: Rated for operation in environments with up to 95% relative humidity, non-condensing.

Functional Features:

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

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 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 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 data analysis.
• Installation: Designed for straightforward installation in standard control panels or enclosures. Installation instructions are included in the product manual.
• Certification and Compliance: Adheres to industry standards and certifications for safety, performance, and electromagnetic compatibility (EMC).