GE Multilin UR-7JH Relay Communications Module

Description

The GE UR 7JH Communications Module provides high‑speed networking, serial communication, and IEC‑compliant data exchange for Multilin UR protection relays. It enables secure relay‑to‑relay, relay‑to‑SCADA, and relay‑to‑station communication.

Specifications

• Manufacturer: GE Multilin

• Model: UR‑7JH

• Module Type: Relay Communications Module

• Supported Protocols: IEC 61850, DNP3, Modbus, IEC 60870‑5‑103

• Ethernet Ports: Dual Ethernet communication channels

• Serial Ports: RS‑232 / RS‑485 serial interfaces

• Data Rate: High‑speed UR backplane and Ethernet throughput

• Cybersecurity: Password protection, secure access control

• Backplane Interface: UR high‑speed internal communication bus

• Relay Compatibility: All GE UR relays (F35, L60, C30, B30, T60, etc.)

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

• Environmental Protection: Conformal coating for harsh electrical environments

• Installation: Plug‑in UR chassis module

Features

• Multi‑protocol support: IEC 61850, DNP3, Modbus, and IEC 60870‑5‑103

• Dual Ethernet channels: Redundant or independent communication paths

• Serial communication: RS‑232/RS‑485 for legacy integration

• High‑speed UR networking: Fast relay‑to‑relay and relay‑to‑controller data exchange

• Secure access control: Password protection and restricted configuration access

• Full UR compatibility: Works with all GE Multilin UR protection platforms

• Hot‑swappable design: Replaceable without removing the relay from service

FAQ – Common Questions

• What does UR‑7JH do: It provides Ethernet, serial, and IEC‑compliant communication for UR relays.

• Which protocols are supported: IEC 61850, DNP3, Modbus, and IEC 60870‑5‑103.

• Is it compatible with all UR relays: Yes, including F35, L60, C30, B30, T60, and others.

• Does it support redundant Ethernet: Yes, dual Ethernet channels allow redundancy.

• Is it hot‑swappable: Yes, it can be replaced without shutting down the relay.