Product Description

Overview

The GE Fanuc UR8GH is a high-performance CT/VT ground protection module from the Multilin UR Series, designed for power generation, transmission, and industrial automation applications. It provides precise current and voltage measurement, combined with advanced protection and control functionality. Moreover, its modular architecture allows integration into multifunctional bay control systems, supporting flexible configurations to meet complex industrial requirements.

This module is engineered for reliability, offering redundancy and robust communication interfaces. In addition, its wide environmental tolerance ensures stable performance in harsh conditions, including extreme temperatures and industrial electromagnetic interference.

Technical Specifications

• Model Number: UR8GH

• Series: GE Multilin UR Series Universal Relays

• Type: Protection & Control Module

• Processor Capacity: Program memory: 2 MB; Data memory: 1 MB

• Digital I/O: Typically 6 digital inputs + 6 digital outputs (variants may differ)

• Analog Inputs: Supports 4–20 mA signals for temperature, pressure, and level monitoring

• CT/VT Inputs: For current and voltage measurement in generator/bus protection

• Protection Functions: Overload, short-circuit, ground fault, distance, and bus protection

• Communication Interfaces: Ethernet (Modbus TCP/IP, SRTP), Profibus, EtherCAT

• Redundancy: Supports redundant Ethernet modules for high availability

• Operating Temperature: –40 °C to +70 °C

• Weight: 200 g

• Dimensions: 6” L × 7” W × 1.5” H

• Certifications: IEC 61850 EMI resistance, CE, UL

• Applications: Generator protection, bus protection, multifunctional bay control, industrial automation

FAQ

Q1: What is the primary function of the UR8GH module?
It provides CT/VT inputs for current and voltage measurement, along with protection and control functionalities.

Q2: Which communication protocols are supported?
It supports Ethernet (Modbus TCP/IP, SRTP), Profibus, and EtherCAT for system integration.

Q3: Can it operate in extreme temperatures?
Yes, the UR8GH operates from –40 °C to +70 °C for industrial reliability.

Q4: Is it suitable for generator and bus protection?
Absolutely, it is specifically designed for generator, busbar, and multifunctional bay protection.

Q5: Does it have redundancy support?
Yes, it supports redundant Ethernet modules to ensure high system availability.