Product Description

Overview

The GE Multilin UR7CH is a high-performance communication module designed for Universal Relays in industrial and utility automation. It ensures fast, reliable data exchange between protective relays and SCADA/DCS systems. Moreover, its compact and rugged design allows installation in harsh substation environments while maintaining operational integrity.

Technical Specifications

Power & Electrical
• Power Supply: 120 VAC
• Voltage Rating: 250 VAC
• Current Rating: 10 A

I/O & Communication
• Total I/O Ports: 20, including 16 input channels
• Protocol Support: IEC 61850, Modbus, DNP3
• High-speed peer-to-peer communication

Display & Interface
• Integrated diagnostic screen for monitoring and configuration

Physical & Environmental
• Dimensions: 8.5 × 7.1 × 3 cm
• Weight: 0.5 kg
• Operating Temperature: –40 °C to +70 °C
• Rugged design for substation environments

FAQ 

Q1: What protocols does the UR7CH support?
A: It supports IEC 61850, Modbus, and DNP3 for seamless interoperability.

Q2: What is the module’s power requirement?
A: The UR7CH operates at 120 VAC with a voltage rating of 250 VAC and 10 A.

Q3: What are the environmental ratings?
A: Operating temperature is –40 °C to +70 °C, designed for harsh substation conditions.

Q4: How many I/O ports are available?
A: The module has 20 total I/O ports, including 16 input channels.

Q5: Does the module support redundancy?
A: Yes, it supports redundant communication paths to enhance system reliability.