GE UR RHH – Power Supply Module | UR Series Protection Platform
Engineering Background
The GE UR (Universal Relay) Series represents GE Grid Solutions’ flagship platform for numerical protection, control, and monitoring of power system assets. Deployed across transmission substations, generation facilities, and industrial switchgear worldwide, the UR platform is engineered for deterministic real-time performance under the most demanding grid conditions.
The RHH Power Supply Module is a critical infrastructure component within the UR chassis, providing regulated, isolated DC power to all installed function modules. Its design ensures continuous operation during AC supply disturbances, making it indispensable for mission-critical protection applications.
Product Positioning
Konmask.com supplies the GE UR RHH Power Supply Module to procurement engineers, MRO teams, and system integrators who require verified OEM-grade components with traceable sourcing. This module is suitable for new installations, chassis upgrades, and direct replacement of failed or aging power supply units in existing UR relay systems.
Complete Technical Specifications
- Part Number: UR RHH
- Manufacturer: GE Grid Solutions (formerly GE Multilin)
- Platform: UR Series Universal Relay
- Module Function: Chassis Power Supply
- Input Voltage Range: Wide-range DC input (typically 24–250 V DC) / AC input options available per variant
- Output: Regulated isolated DC rails for UR backplane and installed modules
- Form Factor: UR standard module, hot-swappable chassis slot
- Weight: 268 g (nominal)
- Operating Temperature: –40 °C to +85 °C (per UR platform specification)
- Compliance: IEC 61850, IEEE C37.90, CE, UL listed (per UR platform)
- Communication: N/A (power supply module; no protocol interface)
- Mounting: UR chassis slot — no external wiring to backplane required
Proven Application Environments
- HV/EHV transmission substation protection panels
- Generator protection and excitation control systems
- Industrial motor and feeder protection switchgear
- Utility-scale renewable energy (wind/solar) interconnection protection
- Railway traction power protection systems
- MRO replacement in existing UR relay installations (T35, T60, L90, D60, C60, F60, etc.)
Engineering Advantages
- Wide-range input: Accepts broad DC voltage range, tolerating battery float variations and brownout conditions without relay dropout
- Galvanic isolation: Fully isolated output rails eliminate ground loop interference and protect sensitive DSP/CPU modules
- Hot-swap design: Module can be replaced without de-energizing the full chassis in supported configurations, minimizing protection outage windows
- Redundancy-ready: Compatible with dual power supply configurations for N+1 redundancy in critical installations
- Thermal robustness: Designed for substation ambient extremes without derating
- OEM form factor: Direct plug-in replacement — no chassis modification, no firmware change required
System Architecture & Signal Flow
Within the UR chassis, the RHH module occupies the designated power supply slot and interfaces directly with the UR backplane. AC or DC station supply enters the module’s input terminals, is converted and regulated internally, and distributed as isolated DC rails to all function modules (CPU, I/O, communication, DSP) via the backplane bus. The module incorporates internal protection against overvoltage, overcurrent, and reverse polarity. Status output signals are available to the UR CPU for health monitoring and SCADA alarming via the relay’s self-monitoring architecture.
Sourcing & Quality Verification
- All units sourced through verified industrial supply channels with documented chain of custody
- Pre-shipment inspection: visual, label verification, and functional bench check where applicable
- OEM packaging preserved where available; anti-static and moisture-barrier packaging for all shipments
- Certificates of conformance (CoC) available upon request for critical procurement
- Counterfeit-mitigation: Konmask does not source from unverified grey-market channels
Procurement Process
- Step 1: Confirm your UR chassis model and current firmware revision with your GE relay documentation
- Step 2: Verify the RHH part number against your relay’s bill of materials or GE catalog
- Step 3: Submit your RFQ via support@konmask.com or place order directly on Konmask.com
- Step 4: Receive order confirmation with lead time and shipping details within 1 business day
- Step 5: Shipment with tracking; CoC and packing list included
Technical FAQ
Q: Is the RHH compatible with all UR Series relay models?
A: The RHH is designed for the UR platform chassis. Compatibility depends on your specific chassis generation. Please confirm your chassis model before ordering — our engineering team can assist.
Q: Can I install the RHH without taking the relay out of service?
A: In dual power supply configurations, hot-swap is supported. In single power supply configurations, a brief protection outage is required. Always follow GE’s commissioning and safety procedures.
Q: What is the typical lead time?
A: In-stock units ship within 1–3 business days. For out-of-stock items, lead time is quoted at time of RFQ.
Q: Do you provide a warranty?
A: Yes. Konmask provides a standard 90-day functional warranty on all modules. Extended warranty options are available — contact us for details.
Q: Can you supply other GE UR Series modules?
A: Yes. Konmask stocks a broad range of GE UR platform modules including CPU, I/O, communication, and DSP cards. Contact us with your full BOM for a consolidated quote.
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Original Source: https://Konmask.com
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