GE SR469-P1-HI-A20-T Motor Management Relay

• Phase CT Secondary: 5A (standard configuration)
• Analog Output: Four 4-20 mA analog outputs for enhanced monitoring and control
• Display: Large LCD display for local viewing of trip or alarm diagnostic messages
• Communication Port: RS-232 program port interface with a baud rate of 9600, programmable up to 19200; optional 10BaseT Ethernet port for network connectivity
• Certifications: CE certified for compliance with international standards
• Construction: Durable design suitable for harsh industrial environments

Functional Characteristics

• Comprehensive Protection Functions:
  • Overload Protection: Detects and responds to excessive current draw to prevent motor damage.
  • Short Circuit Protection: Quickly isolates faults to protect the motor and associated circuitry.
  • Phase Loss Protection: Monitors for loss of phase and takes corrective action to prevent uneven loading and potential damage.
  • Ground Fault Protection: Utilizes dedicated ground current inputs to detect and respond to ground faults.
  • Temperature Protection: Integrates RTD (Resistance Temperature Detector) bias to accurately reflect motor operating temperature and prevent overheating.
  • Stall Protection: Detects motor stalls and initiates protective measures to prevent damage.
  • Overvoltage and Undervoltage Protection: Monitors voltage levels to ensure they remain within safe operating limits.
• Advanced Monitoring Capabilities:
  • Real-Time Motor Status Monitoring: Continuously monitors motor current, voltage, and temperature to detect potential issues early.
  • Motor Thermal Model: Simulates the actual motor heating and cooling process using a TCU (Thermal Capacity Unit) value for accurate thermal modeling.
  • Start Inhibition and Emergency Restart: Prevents motor starts when thermal capacity is insufficient and allows for emergency restarts under controlled conditions.
  • Event Logging and Sequence of Events Recording: Records motor operating events for post-fault analysis and troubleshooting.
• User-Friendly Interface and Configuration:
  • Intuitive Front Panel Design: Features a large LCD display and dedicated input keyboard for easy local configuration and monitoring.
  • Programmable Settings: Allows users to customize protection parameters and settings to suit specific application requirements.
  • Remote Monitoring and Control: Supports remote monitoring and control via Ethernet or serial communication ports.
• High Reliability and Durability:
  • Robust Construction: Built to withstand harsh industrial environments and ensure long-term reliable operation.
  • High-Quality Materials: Uses premium materials and advanced manufacturing processes for enhanced durability and performance.

Application Scenarios

The GE SR469-P1-HI-A20-T motor management relay is widely used in various industrial sectors where motor protection is essential, including:

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