GE Multilin UR9TH UR 9TH CPU Module

Product Description

The GE Multilin UR9TH is a high-performance CPU module designed for the Universal Relay (UR) series, delivering reliable protection, control, and communication for advanced power systems. It provides rapid relay execution, precise data processing, and seamless integration with modern substation automation networks. Moreover, its hot-swappable design minimizes downtime during maintenance, ensuring continuous system availability.

Engineered for modern industrial environments, the UR9TH supports complex generator, transformer, motor, breaker, and feeder protection schemes. In addition, its advanced cybersecurity features, including CyberSentry™, align with NERC CIP standards, helping utilities maintain operational security and compliance. Its dual Ethernet and serial ports enable flexible communication, supporting IEC 61850, DNP3, and Modbus protocols efficiently.

Key Features & Benefits

• High-speed 400 MHz CPU ensures fast relay processing for complex protection schemes.

• Dual Ethernet and serial ports enable flexible, redundant communication options.

• Hot-swappable design reduces maintenance downtime and operational disruption.

• CyberSentry™ cybersecurity features provide NERC CIP-compliant protection.

• IEEE 1588 and IEC 62439-3 PRP support ensure precise time synchronization.

• Seamless integration with UR family devices allows scalable substation automation.

• Lightweight and compact, designed for panel or rack mounting in UR chassis.

Technical Specifications

• Processor Speed: 400 MHz high-performance CPU

• Memory: Onboard flash and RAM for firmware, event recording, and storage

• Communication Interfaces:

• Two 10/100BASE-TX Ethernet ports

• One RS485 port

• One RS232 port

• Protocols Supported: IEC 61850, Modbus TCP/RTU, DNP3

• Cybersecurity: CyberSentry™ aligned with NERC CIP standards

• Time Synchronization: IEEE 1588, IEC 62439-3 PRP

• Operating Voltage: 18.5–36 V DC

• Power Consumption: Typically <5 W

• Operating Temperature: –40°C to +80°C

• Humidity Rating: Up to 95% non-condensing at 55°C

• Mounting: Panel or rack within UR chassis

• Weight: 0.6 kg

Typical Applications

• Generator protection and management in industrial and utility grids

• Transformer and motor protection schemes

• Circuit breaker and feeder control in substations

• Integration with IEC 61850 process bus and synchrophasor (PMU) systems

• Central CPU for UR relay family in complex protection architectures

FAQ

Q: Can the UR9TH module operate in extreme temperatures?
A: Yes, it functions reliably from –40°C to +80°C in industrial environments.

Q: What communication protocols does it support?
A: It supports IEC 61850, Modbus TCP/RTU, DNP3, and redundant network configurations.

Q: Is the module hot-swappable?
A: Yes, it allows maintenance without shutting down the entire relay system.

Q: How does it ensure cybersecurity?
A: The module incorporates CyberSentry™ features to meet NERC CIP compliance requirements.