GE URRHH – Multilin UR Series Relay CPU / Main Processor Module

1. Product Title

GE URRHH – Multilin UR Series Relay CPU / Main Processor Module

2. Product Overview

The GE URRHH is a central processing unit (CPU) module designed for the Multilin UR Series universal protection relay platform. It serves as the core processing unit responsible for executing protection algorithms, control logic, and system communications within the relay.

The URRHH integrates advanced protection functions with high-speed data processing, enabling real-time monitoring and fault detection in power systems. It works in conjunction with various I/O and communication modules to form a complete protection and control solution for substations and industrial electrical networks.

Engineered for high reliability and flexibility, this module is essential for ensuring precise protection performance and system coordination in critical power infrastructure.

3. Technical Specifications

• Brand: GE
• Model: URRHH
• Warranty: One Year
• Condition: 100% New & Original
• Type: Relay CPU / Main Processor Module (Multilin UR Series)

Performance & Processing:

• High-speed microprocessor-based architecture
• Executes protection, control, and monitoring algorithms
• Real-time fault detection and event processing

System Integration:

• Platform Compatibility: Multilin UR Series relays
• Function: Central processing and system coordination
• Modular integration with I/O, communication, and power supply modules

Communication:

• Supports relay communication modules (Ethernet, serial, IEC protocols via expansion modules)
• Compatible with SCADA and substation automation systems

Diagnostics & Monitoring:

• Self-diagnostics and watchdog functions
• Event recording and fault logging capabilities

Physical:

• Modular plug-in design for UR relay chassis
• Industrial-grade PCB construction

Environmental:

• Designed for substation and industrial environments
• Continuous-duty operation with high reliability

4. Key Features & Benefits

• Centralized Protection Processing:
  Acts as the main controller executing all relay protection and control functions with high accuracy.
• Modular System Architecture:
  Enables flexible configuration by integrating with various UR Series I/O and communication modules.
• High-Speed Fault Detection:
  Provides rapid response to faults, improving system protection and minimizing equipment damage.
• Advanced Diagnostics:
  Built-in monitoring and event logging support predictive maintenance and troubleshooting.
• Reliable Industrial Design:
  Ensures stable operation in demanding environments such as substations and heavy industry.

5. Application Scenarios

• Power Distribution & Transmission Substations:
  Serves as the processing core for protection relays managing feeders, transformers, and bus systems.
• Industrial Power Systems:
  Used in manufacturing plants for protection and control of electrical distribution networks.
• Utility & Smart Grid Applications:
  Supports advanced protection schemes and communication in modern substation automation systems.

6. Frequently Asked Questions (FAQ)

• Q: What is the primary function of the URRHH?
  A: It acts as the main CPU of a Multilin UR relay, executing protection, control, and communication functions.
• Q: Can URRHH operate as a standalone device?
  A: No, it must be installed within a Multilin UR relay system along with I/O and communication modules to function properly.

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