Overview
In addition, engineers can conveniently access measurement data through the relay’s LCD or EnerVista UR software, allowing faster configuration and easier testing. Therefore, the UR‑8LH not only strengthens overall protection system reliability but also reduces maintenance efforts, ensuring efficient and safe operation in demanding power applications.
Specification
| Parameter | Specification / Description |
|---|---|
| Model Number | UR‑8LH |
| Module Type | CT/VT (Current Transformer / Voltage Transformer) Module |
| Compatible Platforms | GE Multilin UR Series Universal Relays |
| CT Inputs | 4 channels (1A/5A support) |
| VT Inputs | 4 channels |
| Enhanced Diagnostics | Yes, verifies analog signal integrity |
| Display & Monitoring | Front panel LCD; EnerVista UR software support |
| Mounting | UR Series relay chassis/module slot |
| Dimensions (approx.) | 6 in (L) × 7 in (W) |
| Weight (approx.) | 2 lb 9 oz (≈ 1.16 kg) |
| Warranty | Typically 12 months |
| Country of Origin | USA |
| Typical Use Case | CT/VT scaling for protection and monitoring |
| Diagnostic Capabilities | Advanced analog integrity check |
| Data Access | LCD front panel or PC via EnerVista UR |
FAQ
A1: The UR‑8LH provides four current transformer (CT) inputs and four voltage transformer (VT) inputs for precise analog measurements.
Q2: Can the module detect faulty or degraded signals?
A2: Yes, it includes enhanced diagnostics that continuously check signal integrity to prevent incorrect relay operation.
Q3: How can engineers access measurement data from the module?
A3: Measurement data is available on the relay’s front LCD or through EnerVista UR software for convenient monitoring.
Q4: Is the UR‑8LH compatible with existing UR Series relays?
A4: Yes, it integrates seamlessly with GE Multilin UR Series Universal Relays as an add-on or upgrade.
Q5: Can the module be used to upgrade relays that originally lack CT/VT inputs?
A5: Yes, it enhances or adds CT/VT input capabilities where they are not present in the existing relay.
Q6: What is the approximate weight of the module?
A6: The UR‑8LH weighs approximately 2 pounds 9 ounces (about 1.16 kg), making it easy to install and handle.
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