GE SR489-P5-HI-A20-E Generator Management Relay

• Phase CT Secondary: 5 A
• Analog Output: 4-20 mA
• Display: Enhanced large LCD display for improved visibility
• Communication Interface: Supports multiple communication protocols such as Modbus RTU/TCP, Ethernet/IP, or Profibus (depending on configuration)
• Digital Inputs: Multiple configurable dry contacts
• Digital Outputs: Relay outputs for control and alarm functions
• Analog Inputs: For monitoring current, voltage, and temperature
• Operating Temperature: -20°C to 70°C (-4°F to 158°F)
• Humidity: 5% to 95% RH, non-condensing
• Altitude: Up to 2000 meters (6562 feet) without derating
• Certifications: Complies with UL, CSA, IEC industrial safety standards; CE marked for EMC and LVD directives

Functional Characteristics

• Comprehensive Protection Functions:
  • Overcurrent Protection: Detects and responds to excessive current draw to prevent generator damage.
  • Overload Protection: Monitors for overload conditions and takes corrective action.
  • Phase Loss Protection: Detects loss of phase and initiates protective measures.
  • Ground Fault Protection: Identifies ground faults and isolates them to prevent escalation.
  • Overvoltage and Undervoltage Protection: Monitors voltage levels to ensure they remain within safe operating limits.
• Advanced Monitoring Capabilities:
  • Real-Time Monitoring: Continuously monitors generator parameters such as voltage, current, frequency, and power.
  • Event Logging: Records operating events for post-fault analysis and troubleshooting.
  • Thermal Overload Simulation: Models thermal behavior to predict and prevent overheating.
• User-Friendly Interface and Configuration:
  • Enhanced LCD Display: Provides clear visibility of operating parameters and diagnostic messages.
  • Intuitive Front Panel: Features a digital keyboard and dedicated control keys for easy local configuration and monitoring.
  • Programmable Settings: Allows users to customize protection parameters and logic according to specific application requirements.
• High Reliability and Durability:
  • Robust Construction: Built to withstand harsh industrial environments and ensure long-term reliable operation.
  • High-Quality Components: Uses premium materials and advanced manufacturing processes for enhanced durability.
• Communication and Integration:
  • Multiple Communication Protocols: Supports various protocols for seamless integration into automation systems.
  • Remote Monitoring and Control: Enables remote monitoring and control via communication ports.

Application Scenarios

The GE SR489-P5-HI-A20-E generator management relay is widely used in various industrial sectors where generator protection is essential, including:

• Power Generation: Protects generators in power plants, ensuring reliable operation of generation equipment.
• Oil and Gas: Safeguards generators in upstream, midstream, and downstream operations, preventing costly downtime and repairs.
• Chemical Processing: Monitors and protects generators in chemical plants, where process reliability and safety are paramount.
• Water Treatment: Ensures the continuous operation of generators in water treatment facilities, maintaining water quality and supply.
• Manufacturing: Protects generators in manufacturing plants, optimizing production efficiency and reducing maintenance costs.
• Industrial Automation: Integrates seamlessly into industrial automation systems, providing comprehensive generator protection and control.