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        UR9GH

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        1001 reviews ｜ Need a Specific Revision?
        The General Electric (GE) UR9GH is a CPU Processor Module from the GE Multilin Universal Relay (UR) series, engineered to serve as the advanced processing core for substation automation and protection systems.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for UR9GH

        • Manufacturer:
          General Electric
        • Part Number:
          UR9GH
        • Product Family:
          GE Multilin
        • Product Type:
          CPU Processor Module
        • Stock:
          1
        • Input Voltage Rating:
          120 / 240 V AC/DC
        • Frequency:
          50 / 60 Hz
        • Power Consumption:
          Approximately 15 W
        • Contact Rating:
          10 A
        • Serial Communication:
          RS485 Port
        • Ethernet Interface:
          10Base-F Fiber Optic Ethernet
        • Supported Protocols:
          Modbus TCP/IP, DNP, and others
        • Redundancy Support:
          Parallel Redundancy Protocol (PRP)
        • Weight:
          0.84 kg
        • Estimated shipping dimensions:
          6x21x17.1cm
        • Tariff Code:
          8537101190
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Specifications Applications Temperature & Humidity Range Monitoring & Control

        Features:

        • Interface Between the CPU Core Processing Unit and UR Series Universal Relay Backplane
        • Combines Capability of Advanced Protection Logic Execution with Ethernet Communication and Redundancy Support
        • Operates in Conjunction with the UR Series Universal Relays Including Feeder, Transformer, Motor, Generator, and Busbar Protection Modules
        The UR9GH operates as the Central Processing Unit in a UR series universal relay, providing reliable computational power and firmware execution environment for all protection and control functions within the system. It continuously processes incoming analog and digital signals, executes configured protection algorithms, and manages communication protocols through the relay backplane to support steady state operation of all I/O modules and monitoring functions. Seamless communication redundancy is supported with the UR9GH, as using the Parallel Redundancy Protocol (PRP) allows seamless switchover to a backup network path in the event of a primary Ethernet failure. The UR9GH has incorporated advanced networking capabilities including 10Base-F fiber optic Ethernet and IEEE 1588 time synchronization, in addition to supporting RS485 serial communication and Modbus TCP/IP, DNP, and other protocols within the UR relay system.

        The UR9GH provides essential processing functions common to the entire relay, and is a critical component of the protection and control path, directly affecting the proper, normal operation of the overall relay system. One UR9GH CPU module is required per relay chassis, and it must be matched with compatible CT/VT modules and the appropriate chassis type. The UR9GH occupies the dedicated CPU slot position within the relay chassis and is always configured as the central processing element.

        For Dual Redundant Network applications, the UR system can leverage the PRP capability integrated within the UR9GH to maintain communication continuity. In addition to standard single network operation, the redundant configuration performs automatic switchover. The UR dual network configuration executes failover using the internal Ethernet circuitry specified in the CPU module options. Using this method, the redundant network system continually monitors the health of both communication paths.

        The UR9GH General Electric CPU Processor Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        General Electric UR9GH CPU Processor Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        General Electric UR9GH CPU Processor Module Specs

        General

        • Manufacturer General Electric
        • Model UR9GH
        • Condition New Original ready stock
        • Product Family UR9AH,UR9EV,UR9HH
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Electrical Substations: Manages automated protection, interlocking logic, and event reporting.
        • Power Generation & Distribution: Governs relay protection systems to prevent grid failure.
        • Industrial Automation: Integrates within PLC environments to run real-time diagnostics.
        • Manufacturing Plants: Ensures continuous uptime in harsh, high-vibration sectors.
        • Operating Temperature: -20°C to +60°C.
        • Extended Temperature Range: -40°C to +60°C.
        • Storage Temperature: -40°C to +85°C.
        • Relative Humidity: 5% to 95% non-condensing.
        • Relay Protection Logic: Executes complex algorithms to detect faults.
        • Protocol Communication: Handles Modbus TCP/IP, DNP 3.0, and IEC 61850.
        • Real-Time Diagnostics: Logs local event records, waveforms, and telemetry.
        • Configurable Hardware: Controls integrated digital inputs and high-speed outputs.
        Description
        GE UR9GH is a CPU processor module from General Electric's Multilin UR series universal relays, designed to serve as the core processing unit for the UR family of protective relays. The UR9GH provides the computational backbone necessary for executing protection logic, managing I/O operations, and supporting engineering configuration, monitoring, and diagnostic functions within the relay system.

        The UR9GH is specifically designed for handling critical protection and control tasks in industrial power systems, addressing the need for reliable real-time processing of complex protection algorithms, communication management, and system coordination. It solves the challenge of integrating advanced protection functions with robust communication capabilities in a single compact module, enabling seamless operation of feeder, transformer, motor, generator, and busbar protection schemes.

        The UR9GH finds application across a wide range of industries and infrastructure sectors. In the electric utility sector, the UR9GH is deployed in substation automation systems for transmission and distribution network protection. In industrial manufacturing, the UR9GH supports motor and generator protection in process plants, refineries, and heavy industrial facilities. The UR9GH is also utilized in commercial and institutional power systems, including data centers, hospitals, and university campuses, where reliable power protection is essential for operational continuity. Additionally, the UR9GH is applied in renewable energy installations, such as wind farms and solar power plants, where it contributes to grid integration and asset protection.

        For installation and integration, the UR9GH must be matched with the appropriate UR series relay chassis and compatible CT/VT modules. The UR9GH features an RS485 port and a 10Base-F fiber optic Ethernet interface, supporting Modbus TCP/IP, DNP, and other communication protocols. The UR9GH supports Ethernet networking through EnerVista UR software for remote access and configuration, and it incorporates Parallel Redundancy Protocol (PRP) along with IEEE 1588 time synchronization to ensure seamless network recovery and microsecond-level timing accuracy across devices. Proper installation requires verifying firmware compatibility between the UR9GH and associated hardware options to prevent hardware mismatch errors.
        Alternative Names
        UR 9GH UR9AH UR9EV UR9HH UR9NH UR9VM UR9WH
        Technical notes
        The General Electric UR9GH CPU module serves as the central brain of the modular relay chassis, capable of simultaneously executing complex protection algorithms, high-speed control logic, and massive data management tasks.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        How does the UR9GH improve power system reliability?
        The UR9GH improves system reliability by processing protection algorithms and automation logic with extremely low latency. Its advanced computing capabilities allow faults to be detected and isolated within milliseconds, helping prevent equipment damage and large-scale power outages.
        What communication interfaces are integrated into the UR9GH module?
        The UR9GH includes an RS485 communication port and a 10Base-F fiber-optic Ethernet interface. These built-in communication options enable efficient data exchange between protection devices, SCADA systems, and plant-wide control networks.
        How does the UR9GH handle electrical noise and harsh industrial environments?
        The UR9GH is engineered to maintain stable communication and processing performance even in environments with significant electrical interference. Its robust architecture helps ensure reliable operation in substations, industrial facilities, and utility applications.
        What role does FlexLogic™ play in the UR9GH module?
        FlexLogic™ enables users to create customized protection and automation schemes. The UR9GH executes these advanced logic equations rapidly, supporting fast fault detection, system automation, and operational flexibility.

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