Overview
Specification
| Parameter | Specification |
|---|---|
| Model Number | UR-8LH |
| Product Type | CT/VT Module |
| Manufacturer | GE Multilin / GE Grid Solutions |
| Part Number | UR 8LH |
| Phase Current Transformers (CTs) | 3, selectable 1 A / 5 A |
| Ground Current Transformers (CTs) | 1 A / 5 A |
| Voltage Transformers (VTs) | 4, line-to-neutral AC inputs |
| Analog Input Range | 0–150 V, 0–300 V, 0–600 V selectable |
| Input Impedance | ≥1 MΩ per voltage channel |
| Isolation Voltage | 2 kV AC for 1 minute between channels |
| Enhanced Diagnostics | Yes, including open CT, shorted VT, and signal integrity checks |
| Monitoring Interface | Front panel LCD, EnerVista UR software |
| Firmware Compatibility | Version 4.0x or higher |
| Control Power Supply | 24 V DC nominal, range 20–30 V DC |
| Operating Temperature | -20 °C to +70 °C |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 5 % to 95 % non-condensing |
| Weight | 2 lb, 9 oz (1.18 kg) |
| Enclosure / Protection Rating | IP20 industrial enclosure |
| Mounting | DIN rail or panel mount |
| Certifications | CE, UL, RoHS |
| Event Logging Capacity | Up to 8,000 events timestamped |
| Application | AC power line monitoring, fault detection, UR relay upgrades |
| Redundancy | Compatible with CPU redundancy in UR series |
FAQ
It supplies 4CT/4VT to UR relays with enhanced diagnostic capabilities.
Q2: Can it detect hazardous current or voltage conditions?
Yes, it enables precise measurement to ensure system safety.
Q3: How is system data monitored?
Data can be viewed on the LCD display or through EnerVista UR software.
Q4: Is the module compatible with older CPUs?
It requires firmware version 4.0x or higher and a new CPU for proper operation.
Q5: What is the module’s weight and origin?
It weighs 2 lb, 9 oz, and is manufactured in the USA.
Reviews
There are no reviews yet.