GE Multilin UR8NV UR 8NV Analog Input Module

Product Overview

The GE Multilin UR8NV is an analog input module designed for precise acquisition of current transformer (CT) signals. It seamlessly integrates with the Universal Relay (UR) series, enabling advanced protection, metering, and control across critical power systems. Moreover, its robust design supports enhanced diagnostics, ensuring reliable performance in generator, transformer, motor, and feeder protection applications. The UR8NV module simplifies complex monitoring tasks, reducing downtime and improving operational efficiency.

Key Features & Benefits

• High‑density analog signal acquisition for eight CT inputs.

• Supports both differential and single‑ended measurements for versatile protection schemes.

• Hot‑swappable design minimizes system downtime during maintenance.

• Integrated CT diagnostics enhance reliability and simplify fault detection.

• Fully compatible with GE Multilin UR series for seamless system integration.

• Enables precise current measurement, improving system performance and operational safety.

Technical Specifications

• Module Type: Analog Input Module for UR Series

• Analog Inputs: 8 CT channels

• Voltage Inputs: None (dedicated CT module)

• Measurement Capability: Differential and single‑ended measurements

• Diagnostics: Integrated CT/VT interface with advanced diagnostics

• Weight: 0.6 kg

• Power Supply: Powered through UR relay chassis

• Mounting: Plug‑in module, hot‑swappable

Typical Applications

• Generator protection and monitoring systems

• Transformer protection and metering applications

• Motor and feeder protection schemes

• Integration into complex UR series protection systems

• Industrial automation setups requiring accurate current acquisition

FAQ

Q: Can UR8NV be installed without powering down the UR relay chassis?
A: Yes, the module is hot‑swappable, allowing installation without system shutdown.

Q: Does this module support voltage measurements?
A: No, the UR8NV is dedicated to CT input acquisition only.

Q: What type of diagnostics are available?
A: The module provides integrated CT/VT diagnostics to enhance fault detection and system reliability.

Q: Is the module compatible with all UR series relays?
A: It is compatible with UR relays that support analog CT input modules.