COMMS Module for UR Series Relays GE UR81H
Description
GE UR8AH 8-Slot Universal Relay Protection Chassis is a core chassis and communication hub for the GE Multilin UR series protection system, providing a modular platform for plug-and-play protection function modules.
| Specification | Value |
|---|---|
| Product Type | 8-Slot Universal Relay Protection Chassis/Base Unit |
| Power Input | Dual independent auxiliary power, 24-250 VDC or 100-240 VAC, redundant support |
| Number of Slots | 8 hot-swappable standard UR module slots |
| Operating Temperature | -40 to 70 degrees Celsius |
| Protection Rating | IP20 (must be installed in enclosed control cabinet) |
| Dimensions (HxWxD) | Approximately 178 mm x 483 mm x 279 mm (4U height) |
| Backplane Communication | High-speed serial bus, supports inter-module data sharing and synchronization |
| Certifications | CE, UL, CSA, IEC 60 |
Key Features:
- Modular installation platform for plug-and-play overcurrent, distance, differential and other protection function modules
- Hot-swappable module support for uninterrupted system operation during maintenance
- Dual redundant power input ensures continuous power supply
- High-speed backplane communication for real-time data sharing between modules
- Front panel LED status indicators, reset button, and local communication port for configuration
- Complies with IEC 61000-4 series and IEEE C37.90 electromagnetic compatibility standards
Applications:
- Substation protection and control systems
- Industrial power distribution rooms for 24/7 continuous operation
Related Models:
- GE UR-8NH 8-Channel Universal Relay Output Module
- GE URRHH Relay Power Module
- GE UR8LH Relay Power Module
- GE UR-RHH Second-Generation Universal Relay System Power Module
- GE UR8FH Universal Relay Module