GE Multilin UR8MH UR 8MH CT/VT Module

Product Description

The GE Multilin UR8MH CT/VT module enhances the capabilities of UR series relays by providing precise current and voltage measurements. Designed for utility and industrial environments, it enables reliable protection and monitoring of generators, transformers, motors, and feeders. Moreover, its modular design allows seamless installation and maintenance, minimizing system downtime. The UR8MH module also includes advanced diagnostics to continuously monitor CT and VT health, ensuring accurate signal scaling and consistent relay performance.

This compact, rugged module is built for harsh operational conditions. In addition, its lightweight construction simplifies integration into existing relay racks. By supporting sensitive ground measurement and scalable inputs, the UR8MH improves overall system reliability and efficiency. For instance, operators can detect abnormal conditions earlier, enabling faster corrective action and reducing potential equipment damage.

Key Features

• Provides 4 CT inputs and 4 VT inputs for accurate measurement

• Sensitive ground measurement capability for enhanced protection

• Advanced diagnostics monitor CT/VT health continuously

• Modular plug-in design allows fast installation and maintenance

• Lightweight and compact, suitable for confined relay racks

• Rugged PCB construction with conformal coating for harsh environments

• Enhances UR series relay functionality across multiple protection applications

Technical Specifications

• Model: UR8MH

• Manufacturer: GE Multilin

• Series: UR (Universal Relay) Family

• Module Type: CT/VT (Current Transformer / Voltage Transformer)

• CT Inputs: 4 channels

• VT Inputs: 4 channels

• Purpose: Scales high current/voltage for relay measurement

• Diagnostics: Built-in enhanced CT/VT health monitoring

• Weight: 0.2 kg

• Dimensions: 6 × 7 × 1.5 inches

• Construction: Rugged PCB with conformal coating

• Compatibility: UR series plug-in module

Typical Applications

• Generator protection and monitoring in utility and industrial plants

• Transformer protection systems with advanced scaling

• Motor and feeder protection in industrial distribution networks

• Integration into modular UR relay racks for simplified maintenance

• Systems requiring sensitive ground detection and advanced diagnostics

FAQ

Q: Can the UR8MH module be installed while the relay is energized?
A: Installation should follow standard safety procedures, and typically requires the relay to be de-energized to ensure operator safety.

Q: How does the UR8MH enhance relay diagnostics?
A: It continuously monitors CT and VT health, providing alerts for potential wiring faults or measurement anomalies.

Q: Is this module compatible with all UR series relays?
A: The UR8MH is compatible with modular UR series relays designed to accept CT/VT input modules.

Q: Can this module be used in harsh environmental conditions?
A: Yes, its rugged PCB design with conformal coating ensures reliable operation in industrial and utility environments.