GE Fanuc Multilin UR Series UR 9NV Feeder Protection Relay

Overview  

The GE UR9NV is a feeder protection relay within the Multilin Universal Relay (UR) series. It is engineered to safeguard medium- and high-voltage feeders against faults and abnormal operating conditions. With configurable I/O channels and advanced communication support, the UR9NV delivers reliable protection, monitoring, and control for modern power systems.

Technical Specifications

• Manufacturer: General Electric Fanuc Multilin

• Model: UR9NV

• Type: Feeder Protection Relay

• Number of I/O Channels: 8 configurable analog output channels

• Output Voltage Range: 0–10 VDC

• Output Current Range: 4–20 mA

• Operating Environment: Suitable for medium- and high-voltage feeder applications

• Functions:

• Primary or backup feeder protection

• Bus blocking and interlocking schemes

• High-speed fault detection

• Load shedding schemes

• Distributed generation interconnect protection

Key Features

• Eight configurable analog outputs for flexible system integration

• Wide output range supporting both voltage and current signals

• High-speed fault detection for improved system reliability

• Supports advanced protection schemes including bus blocking and load shedding

• Designed for distributed generation interconnect applications

Applications

• Medium- and high-voltage feeder protection

• Substation automation and control

• Industrial power distribution systems

• Backup protection in mission-critical environments

FAQ

• Q: How many I/O channels does the UR9NV provide?  A: It offers 8 configurable analog output channels.

• Q: What output ranges are supported?  A: Voltage outputs from 0–10 VDC and current outputs from 4–20 mA.

• Q: Can the UR9NV be used for distributed generation?  A: Yes, it supports interconnect protection for distributed generation systems.