General Electric URRHH
General Electric URRHH
General Electric URRHH
General Electric URRHH
General Electric URRHH
General Electric URRHH
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URRHH

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The Model GE URRHH is the Revision 5.92 Release Notes document for the UR (Universal Relay) series of protection relays from GE Multilin. This document outlines firmware enhancements, new features, and important updates.
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Technical specifications for URRHH

  • Manufacturer:
    General Electric
  • Part Number:
    URRHH
  • Product Family:
    GE Multilin
  • Product Type:
    35W high-voltage power supply module
  • Stock:
    5
  • Firmware Version:
    5.92
  • Hardware Compatibility:
    Version 4.00 and higher
  • Software Requirement:
    EnerVista UR Setup 5.9x or higher
  • Key Enhancements:
    Line differential, motor protection, communications, common elements
  • Weight:
    0.98 kg
  • Estimated shipping dimensions:
    4x17.8x17.1cm
  • Tariff Code:
    8536419090
  • 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 Use Cases Installation & Integration Operating Environment

Features:

  • GE Multilin UR Series Revision 5.92 firmware release notes document
  • Covers enhancements for line differential, motor protection, and communication protocols
  • Essential reference for upgrading B30, B90, C70, D60, F60, G60, L90, M60, N60, T60 and other UR family relays
The URRHH provides essential technical documentation critical to the entire firmware upgrade process, serving as the authoritative reference for understanding changes between versions, directly affecting the proper, normal operation of the overall protection system. One URRHH document is required per firmware version, covering all affected UR products including B30, B90, C30, C60, C70, D30, D60, F35, F60, G30, G60, L30, L60, L90, M60, N60, T35, and T60 relays.

For applications requiring specific protocol improvements, the URRHH documents important changes to IEC61850 report control blocks and IEC60870-5-104 protocol implementation. In addition to standard release information, the URRHH includes critical details about the UR operating system debug port being modified to reject Ethernet traffic, enhancing cybersecurity.

The URRHH's comprehensive information ensures reliable firmware upgrades in demanding power system environments. Using detailed change categories including new features, enhancements, and product advisories, the document enables engineers to assess impact before deployment. The upgrade path information in the URRHH confirms that devices with firmware version 4.00 and above can be upgraded directly, while systems below 4.00 require special upgrade packages.

The URRHH GE Universal Relay may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

GE URRHH Universal Relay Manuals, Datasheets, Drivers, 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.
GE URRHH Universal Relay Specs

General

  • Manufacturer GE
  • Model URRHH
  • Condition New Original ready stock
  • Product Family URRFF,URREE,URRDD,URRCC,URRBB
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.
  • Power Infrastructure: Widely deployed in utility substations, power generation plants, and transmission/distribution networks.
  • Industrial Operations: Used in heavy industries such as oil and gas, mining, manufacturing, and process control.
  • Specialized Monitoring: Supports relays that monitor up to six three-phase power circuits and provide PMU (Phasor Measurement Unit) data for grid stability.
  • Dry Contact Support: Uniquely provides power not only to the relay itself but also to any external devices connected to its dry contact inputs.
  • Form Factor: Typically installed as a plug-in module within a 19-inch rack horizontal mount unit.
  • Wiring: Connects via the backplane of the UR series chassis, featuring a black matte finish for board protection.
  • Software Management: Fully integrated with EnerVista UR Setup software for remote monitoring and configuration.
  • Redundancy Requirements: If using a redundant power configuration, you must ensure both power modules are of the same type (e.g., both RH/RHH). Mixing different versions like RHH with SH or TH in a redundant setup can cause unpredictable system behavior.
  • Temperature Range: Operates effectively between -20°C to +70°C.
  • Storage Conditions: Can be safely stored in temperatures ranging from -40°C to +85°C.
  • Rugged Construction: Features a robust industrial PCB and high-quality electronic components rated for Class I protection.
  • Physical Durability: Newer iterations may include conformally coated circuit boards to withstand humidity and corrosive atmospheres common in industrial sites.
Description
The GE URRHH serves as the official release notes document for UR series firmware version 5.92, dated February 25th, 2013. This document details significant enhancements across the entire UR product family, including improvements to line differential systems that increase availability during communication disruptions. The GE URRHH specifies that the interval between consecutive packets has been extended from 66 to 100 milliseconds, reducing sensitivity to short communication failures.

For motor protection systems, the GE URRHH documents changes to the voltage-dependent thermal overload model that provide longer acceleration time for very high inertia motors. The release notes also detail enhancements to the thermal overload trip lockout functionality. The GE URRHH provides crucial information for M60 users regarding thermal element behavior when disabled or when relay power is cycled.

Communication protocol improvements are extensively covered in the GE URRHH, including IEC61850 buffered report control blocks that now capture events immediately after Ethernet port failure. The document also details enhancements to IEC60870-5-104 protocol implementation, including support for test commands with date/time and proper analog value retrieval. The GE URRHH confirms that UR devices now reject Ethernet traffic on the debug port, improving cybersecurity.

The GE URRHH includes important product advisories, such as the direct input/output ring failure affecting B90 and C70 devices with firmware 5.92 when using IRC modules. This document serves as an essential reference for system integrators and engineers managing UR series installations, ensuring they understand both the enhancements and potential limitations of firmware revision 5.92 before deployment.
Alternative Names
URRGG URRFF URREE URRDD
Technical notes
The GE Multilin UR-RHH is a 35W high-voltage power supply module designed for the Universal Relay (UR) series, providing reliable 125-250V AC/DC power distribution with integrated self-diagnostic monitoring, high-efficiency thermal management, and redundancy support to ensure continuous operation of critical utility and industrial protection systems.
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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.
What is the difference between firmware versions 5.92 documented in GE URRHH and earlier 5.9x versions?
According to GE URRHH, version 5.92 includes critical enhancements not present in earlier 5.9x versions, such as extended packet interval tolerance (66ms to 100ms) for line differential systems, improved thermal overload modeling for high inertia motors, and IEC61850 buffered report control blocks that capture events immediately after Ethernet port failure.
How to identify a reliable supplier for products covered in GE URRHH?
A reliable supplier should demonstrate thorough knowledge of the GE URRHH release notes, including understanding of the firmware upgrade path requirements (hardware version 4.00 minimum, EnerVista UR Setup 5.9x). They must provide documented traceability of firmware versions and explain critical advisories such as the B90/C70 direct I/O ring issue.
What certifications are required when exporting UR series relays documented in GE URRHH to the United States?
UR series relays documented in GE URRHH carry multiple certifications including UL, CSA, and CE marks as standard. For US export, these relays typically meet FCC Part 15 requirements for electromagnetic compatibility. The GE URRHH specifically mentions that firmware 5.92 enhances cybersecurity by blocking Ethernet traffic on the debug port, which helps satisfy NERC CIP requirements. Export documentation must include country of origin, product value declaration, and HTS classification (typically 8536.49.00 for protective relays).
Why do UR relay components fail in substation environments while firmware updates documented in GE URRHH improve reliability?
UR relays can experience communication failures, thermal overload misoperations, and timestamp discrepancies without proper firmware updates. The GE URRHH documents fixes for these exact failure modes: extended packet interval tolerance prevents false channel failure declarations during short communication disruptions; improved thermal overload modeling ensures proper motor protection for high inertia loads; and DST timestamp corrections prevent event record misalignment.