GE Multilin UR6HH Universal Relay Digital I/O Module 24VDC
The GE UR6HH (Part Number: UR6HH) is a high-density Digital Input/Output module designed for the GE Multilin Universal Relay (UR) series. As a key hardware component within the UR modular ecosystem, this board facilitates critical signaling between protection logic and field equipment. The UR6HH is engineered to provide 16 discrete inputs for real-time monitoring of system states and 8 Form-A (or high-capacity) relay outputs (extending to a combined 36-channel capacity in specific configurations) for high-speed control of circuit breakers and switches.
Designed for the stringent requirements of utility substations and power generation facilities, the UR6HH module operates with 24 VDC logic levels, ensuring compatibility with standard industrial DC control circuits. The module features integrated transient suppression and galvanic isolation, protecting the main relay processor from high-voltage surges common in power distribution environments. When configured via the EnerVista UR software suite, the UR6HH supports complex logic mapping, including millisecond-accurate event recording and fast-trip output execution.
Hardware parameters and operational standards for the UR6HH:
| Parameter | Specification Details |
| Model Number | UR6HH |
| Manufacturer | GE Multilin (Emerson) |
| System Compatibility | Multilin Universal Relay (UR) Platforms (B30, C30, D60, G60, etc.) |
| I/O Density | 16 Digital Inputs / 8 Relay Outputs (Typical Configuration) |
| Nominal Logic Voltage | 24 VDC |
| Input Threshold | Configurable via EnerVista (typically 17-19 VDC for 24V nominal) |
| Output Type | Electromechanical Relay (High capacity for trip/close) |
| Configuration Software | EnerVista UR Setup / Launchpad |
| Operating Temp | -40 °C to +60 °C (Industrial Hardened) |
| Storage Temp | -40 °C to +85 °C |
| Dimensions | 15.24 cm × 17.78 cm × 3.81 cm |
| Weight | 1.16 kg |
| Compliance | CE, UL, cUL, IEEE/IEC Substation Standards |
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