UR 8FV/UR-8FV | GE Fanuc Multilin UR Series | CT/VT Relay Module

Overview  

The GE UR8FV is a CT/VT relay module designed for the Multilin Universal Relay (UR) series. It provides both current and voltage transformer inputs, enabling precise monitoring and protection of AC power systems. With integrated CTs and VTs, the UR8FV ensures accurate measurement and enhances system safety and reliability.

Technical Specifications

• Manufacturer: General Electric Fanuc Multilin

• Model: UR8FV

• Type: CT/VT Relay Module

• Current Transformers (CTs):

• 3 phase CTs, rated 1 A / 5 A

• 1 ground CT, rated 1 A / 5 A

• Voltage Transformers (VTs):

• Four-terminal voltage transformer for scaling voltage inputs

• Safety & Monitoring: Provides essential current and voltage measurement for AC line protection

• Wiring:

• Standard connection per GE Universal Relay manuals

• Typically uses 12 AWG wiring, supports up to 10 AWG

• Dimensions: 12.75 in × 10.50 in × 4.50 in

• Weight: 4.20 lbs (approx. 1.9 kg)

• Mounting: Panel mount compatible

Key Features

• Integrated CTs and VTs for comprehensive monitoring

• Supports both phase and ground current measurement

• Enhances safety by providing accurate input data for relay protection

• Rugged design suitable for industrial and utility environments

• Compatible with GE Multilin UR series relays

Applications

• Substation automation requiring CT/VT integration

• Power system monitoring and diagnostics

• Relay-based protection schemes for feeders and transmission lines

• Industrial control systems needing precise current and voltage inputs

FAQ

• Q: What CT ratings does the UR8FV support?  A: It supports 1 A and 5 A ratings for both phase and ground CTs.

• Q: Does the UR8FV include voltage transformers?  A: Yes, it includes a four-terminal VT for scaling voltage inputs.

• Q: What wiring sizes are supported?  A: Standard 12 AWG wiring is recommended, but it accepts up to 10 AWG.