GE UR SHH Control Module – Obsolete UR Series Spare Part

Technical Dossier

Product Details And Specifications

GE UR SHH Control Module – Obsolete UR Series Spare Part

When a GE UR SHH Control Module fails, the consequences extend far beyond a single component replacement. The GE UR Series protection relay platform has been the backbone of substation automation and power system protection in utilities, oil & gas facilities, and heavy industrial plants for decades. A single failed SHH module can force an unplanned shutdown of an entire protection zone — and if the OEM no longer supports the platform, the alternative is a full relay panel replacement project. Engineering, commissioning, testing, and regulatory re-certification for a modern relay system can run into the hundreds of thousands of dollars, with project timelines stretching 12 to 24 months. DriveKNMS holds RFQ-reviewed sourcing status of the GE UR SHH Control Module. This is not a lead-time quote — this is available inventory, ready to ship.

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Note: Electrical parameters specific to firmware revision and chassis configuration. Confirmed specifications are provided upon request with unit serial number. No parameters are stated here that cannot be verified — accuracy is a matter of equipment safety.

Solving the Discontinued Hardware Crisis

Q: How are RFQ terms confirmed?
A: Quantity, required condition, documentation needs, destination and sourcing route are confirmed during RFQ review before quotation.

The SHH module sits at the interface between the relay's internal logic and the operator — it handles local control, status indication, and in many configurations, direct trip command acknowledgment. There is no generic substitute. A replacement must be the correct hardware revision to maintain firmware compatibility and IEC 61850 or DNP3 communication integrity with the existing SCADA infrastructure.

How to extend your GE UR Series system life by 5–10 years:

• Maintain a minimum two-unit buffer of each critical module type (SHH, CPU, power supply, I/O cards). One unit in service, one verified spare on the shelf. This single practice eliminates the most common cause of emergency shutdowns in legacy relay systems.
• Document your hardware revisions now. UR Series modules are revision-sensitive. Record the exact part suffix and firmware version of every installed module before a failure event forces you to identify them under pressure.
• Negotiate long-term supply agreements with specialist distributors. Spot-market pricing for obsolete industrial components increases sharply as global inventory depletes. Locking in supply at current pricing is a measurable cost-avoidance strategy.
• Defer full system replacement until the next planned capital cycle. A verified spare module purchase at a fraction of a percent of the replacement project cost buys 5–10 years of continued operation on a proven, stable platform — without the commissioning risk of introducing new relay logic into a live protection scheme.
• Conduct annual condition assessments. Electrolytic capacitor degradation, contact oxidation on terminal blocks, and battery backup failure are the primary age-related failure modes in UR Series hardware. Scheduled inspection catches these before they become unplanned outages.

Condition & Reliability Assurance

DriveKNMS applies a structured 5-step quality process to all obsolete and legacy industrial components before dispatch review:

Key Features for System Maintenance

• Drop-in replacement: The GE UR SHH module installs directly into the existing UR chassis backplane. No rewiring, no relay logic modification, no engineering change order required.
• No reprogramming required: Settings are stored in the relay's non-volatile memory, not in the SHH module itself. Swapping the module does not affect protection settings, trip logic, or communication configuration.
• Avoids engineering reconstruction costs: A full UR Series panel replacement requires new relay engineering, factory acceptance testing, site commissioning, and protection scheme re-validation. A verified spare module eliminates all of that expenditure.
• Maintains existing SCADA integration: No changes to DNP3, IEC 61850, or Modbus point maps. The replacement module operates transparently within the existing communication architecture.
• Preserves regulatory compliance continuity: In regulated industries, replacing a protection relay triggers re-approval processes. Maintaining the original hardware platform avoids this administrative burden entirely.

Can you supply other GE UR Series modules?
Yes. DriveKNMS maintains inventory across the UR Series platform including CPU modules, power supply cards, I/O modules, and communication cards. Contact us with your full part number list for a consolidated quotation.