GE C6M-9UH-00K UR9CH – For GE Multilin UR Series

Technical Specifications

• Manufacturer: General Electric (GE) Multilin
• Model: C6M-9UH-00K UR9CH
• Series: UR Series Universal Relays
• Processor: High-speed industrial CPU (9C version for UR Multilin)
• Communication Interfaces:
  • Ethernet: 10Base-F fiber-optic Ethernet port
  • Serial: RS-485 port for Modbus RTU communication
• Memory: Integrated high-speed memory for program execution and data storage
• Power Supply: 24 VDC (from UR series relay backplane)
• Dimensions (L×W×H): 165.1 mm × 152.4 mm × 63.5 mm (6.5 in × 6 in × 2.5 in)
• Weight: Approx. 0.74 kg (1 lb 10 oz)
• Operating Temperature: -20°C to +60°C (-4°F to 140°F)
• Storage Temperature: -40°C to +85°C (-40°F to 185°F)
• Certifications: CE, UL, CSA (industrial safety and EMC compliance)

Key Features

1. Powerful Processing & Logic Execution
   • Dedicated high-speed CPU executes complex protection algorithms (overcurrent, earth fault, overvoltage) and logic control for UR series relays.
   • Processes real-time data from CT/VT modules, ensuring fast and accurate fault detection and system response.
2. Versatile Communication Capabilities
   • Equipped with 10Base-F Ethernet and RS-485 interfaces, supporting Modbus RTU and GOOSE protocols for seamless integration into industrial networks.
   • Enables data exchange with SCADA systems, DCS, and other relays for coordinated control and monitoring.
3. Seamless Compatibility & Integration
   • Designed as a direct replacement/upgrade for UR series relays, supporting compatibility with legacy CT/VT modules (8A/8B/8C/8D series).
   • Integrates with other UR series modules (power supply, I/O, communication) to form a complete relay system.
4. Robust Industrial-Grade Reliability
   • Ruggedized construction withstands harsh industrial environments, including wide temperature ranges and electrical noise.
   • Compact form factor for easy installation in standard relay panels and control cabinets.
5. Comprehensive System Control & Monitoring
   • Manages data routing, synchronization, and command distribution within the UR relay system.
   • Supports remote diagnostics and configuration via connected networks, reducing maintenance downtime.

Application Scenarios

• Power System Protection (Core Application)
  • Feeder Protection: Executes overcurrent, short-circuit, and earth fault protection for distribution feeders in utility and industrial power systems.
  • Transformer & Motor Protection: Provides differential, overvoltage, and thermal protection for transformers, motors, and generators in power plants and industrial facilities.
  • Smart Grid Integration: Supports communication and control for grid modernization, enabling real-time monitoring and protection in smart grid infrastructures.
• Industrial Automation & Process Control
  • Manufacturing Plants: Protects critical equipment (motors, pumps, compressors) in oil & gas, chemical, and pharmaceutical industries.
  • Data Centers & Critical Infrastructure: Ensures reliable power distribution and protection for data centers, hospitals, and other mission-critical facilities.
• Renewable Energy Systems
  • Wind & Solar Farms: Provides grid connection protection and control for renewable energy generators, ensuring stable integration with the power grid。