The GE UR8CH is a CT/VT module designed for Universal Relays. It enhances the relay’s current and voltage measurement capabilities. Additionally, it enables unique protection schemes such as differential and concurrent split-phase protection.

Key Features

• Three 1A/5A Phase CT Inputs: Allows for accurate measurement of phase currents.
• One 1/5A Ground CT Input: Provides measurement of ground currents.
• Enhanced Relay Measurement Capabilities: Improves current and voltage monitoring.
• Unique Protection Schemes: Supports differential and split-phase protection.
• Modular Design: Ensures easy installation and maintenance.
• Compatibility: Works with GE Multilin UR series protection relays.

Technical Specifications

• Accuracy: 0.5%
• Burden: 0.2 VA per phase
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -55°C to +90°C
• Humidity: 5% to 95% non-condensing
• Altitude: Up to 2,000 meters

Applications

• Feeder Protection: Monitors and protects feeders.
• Motor Protection: Ensures motor safety and performance.
• Generator Protection: Safeguards generators from faults.
• Bus Protection: Protects bus systems from faults.
• Transformer Protection: Secures transformers against damage.

Additional Details

• Rugged Enclosure: The module is housed in a durable, DIN-rail mountable case.
• LED Indicators: Provides status and alarm information.
• Communication Ports: Includes RS-232 and Ethernet interfaces.
• Software Support: Compatible with GE Multilin’s software suite.