Technical Specifications:

1. Model: URSHA
2. Type: Universal Protection Relay
3. Power Supply:
   • Rated Voltage: Typically operates with a broad range of input voltages. Commonly supports 48V to 250V DC or 120V to 240V AC. Specific values should be verified with the datasheet.
   • Power Consumption: Detailed information on power consumption is provided in the datasheet.
4. Current Inputs:
   • CT Inputs: Accepts inputs from current transformers (CTs). The relay is designed to accommodate various CT input ranges, which should be confirmed with the datasheet.
5. Communication Ports:
   • Ethernet: Provides Ethernet connectivity for network communication, enabling remote access and system integration.
   • RS-485: Serial communication port for connecting with other control and monitoring devices.
   • Optional Ports: Additional communication interfaces, such as USB or fiber optics, may be available depending on configuration.
6. Dimensions: Typically designed for standard panel mounting. Specific dimensions and mounting details are available in the datasheet.
7. Environmental Conditions:
   • Operating Temperature: Generally operates 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: Provides adjustable overcurrent protection settings to safeguard against excessive currents.
   • Differential Protection: Offers differential protection by comparing currents at different points to detect and isolate faults within a designated zone.
   • Distance Protection: Measures impedance to protect against faults occurring at various distances from the relay.
   • Frequency Protection: Monitors and protects 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 ensure system safety.
2. Control Functions:
   • Automation: Facilitates automated control and switching operations to enhance operational efficiency.
   • Programmable Logic: Provides programmable logic capabilities for custom protection schemes and control strategies.
3. Monitoring and Diagnostics:
   • Real-Time Monitoring: Offers real-time monitoring of key electrical parameters such as voltage, current, and power.
   • Event Logging: Records and logs operational events, alarms, and faults 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 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: Used to protect industrial machinery and critical equipment from electrical faults and disturbances.
   • Control Panels: Applied in control panels to ensure 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: Ensures protection for critical electrical systems and infrastructure.
4. Power Generation:
   • Generator Protection: Protects power generation equipment to maintain operational reliability and efficiency.

Additional Information:

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