Overview
Specification
| Parameter | Description |
|---|---|
| Model | GE Fanuc Multilin UR-8LH |
| Module Type | CT/VT Analog Input Module |
| Manufacturer | GE (General Electric) / Multilin |
| Function | Measures and processes current and voltage transformer inputs |
| Input Channels | 8 differential analog input channels |
| CT Input Range | 1 A or 5 A nominal (configurable) |
| VT Input Range | Up to 120 V AC nominal (configurable) |
| Signal Type | Differential analog input |
| Sampling Rate | High-speed digital acquisition for transient capture |
| Accuracy | ±0.2% typical at rated conditions |
| Isolation | Galvanic isolation between input channels and control electronics |
| Input Protection | Overvoltage and surge suppression integrated |
| Operating Temperature | –40°C to +70°C (–40°F to +158°F) |
| Storage Temperature | –40°C to +85°C (–40°F to +185°F) |
| Humidity Tolerance | 5% to 95% non-condensing |
| Module Mounting | Hot-swappable plug-in card for UR relay chassis |
| Power Requirements | Supplied internally from UR base unit |
| Communication Interface | Through UR Series backplane |
| Compatibility | GE Multilin UR Series Universal Relay family |
| Certifications | UL, CE, CSA, and IEC compliance |
| Maintenance | Firmware-based calibration and self-diagnostics |
| Dimensions | Approx. 150 mm x 60 mm x 20 mm |
| Weight | Approx. 0.25 kg (0.55 lbs) |
FAQ
A1: The UR-8LH measures current and voltage inputs from CTs and VTs, providing accurate data for protection and control functions.
Q2: Is the UR-8LH compatible with all GE Multilin UR relays?
A2: Yes, it integrates seamlessly with all standard GE Multilin UR Series relay frames.
Q3: Can the UR-8LH operate in harsh environments?
A3: Absolutely. Its rugged design and wide temperature tolerance ensure dependable operation under challenging industrial conditions.
Q4: Does the module require calibration?
A4: It includes built-in digital calibration features that reduce manual intervention and ensure long-term accuracy.
Q5: What are common applications for the UR-8LH?
A5: Typical applications include transformer protection, generator monitoring, feeder control, and industrial energy metering.
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