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      INTER-RELAY COMMUNICATIONS MODULE

      UR7HH

      Spare Part Number

      PNUR7HH

      Product Information:

      The UR7HH is a GE Multilin UR Series Universal Relay 
      communication (COMMS) module designed to enable 
      high-speed inter-relay communication and system integration 
      within electrical protection and control schemes.It provides 
      two fiber-optic communication channels (820 nm multimode LED), 
      allowing UR-series relays to exchange data for coordinated 
      protection, including applications such as line protection, 
      bus differential schemes, and generator protection systems.


      • One-year warranty
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      Technical specifications for

      UR7HH

      0 TECHNICAL PARAMETERS
      • Manufacturer:
        General Electric
      • Product Category:
        General Automation
      • Spare Part Number:
        UR7HH
      • Estimated shipping dimensions:
        4x21x27.1cm
      • Weight:
        0.7 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Type:
        INTER-RELAY COMMUNICATIONS MODULE
      • Input Types:
        ±10V, 0-20mA
      • Resolution:
        16-bit
      • Channels:
        8 differential or 16 single-ended
      • Degree of Protection:
        IP20
      • Series:
        GE Multilin
      • Stock Availability:
        40
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      PRODUCT & ORDER FAQS

      Questions buyers ask about UR7HH

      • What is UR7HH used for in GE Multilin systems?

        The UR7HH is a communication module used in GE Multilin Universal Relay systems to enable high-speed data exchange between protection relays. It is mainly used for coordinated protection schemes such as line, bus, and generator protection.

      • What type of communication does UR7HH support?

        The UR7HH provides two fiber-optic communication channels using 820 nm multimode LED technology, allowing fast and reliable inter-relay communication in protection and control applications.

      • Where is UR7HH typically applied?

        The UR7HH is commonly used in power substations, transmission networks, and industrial electrical protection systems where multiple relays must coordinate in real time.

      • Is UR7HH compatible with GE UR Series relays?

        Yes, the UR7HH is designed specifically for GE Multilin UR Series relays and integrates directly into the UR relay chassis for seamless system communication and configuration.

      • What protocols can UR7HH support?

        The UR7HH can support industrial communication protocols such as IEC 61850, DNP3, and Modbus, depending on the relay configuration and system setup.

      • How is UR7HH installed in the system?

        The UR7HH is a plug-in communication module installed directly into the GE UR relay rack, allowing quick replacement and easy integration without complex wiring changes.

      • What is the main benefit of UR7HH?

        The UR7HH improves system reliability and protection speed by enabling deterministic, high-speed communication between relays, which is critical for fast fault detection and coordinated tripping actions.
      All FAQ
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          Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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