UR9KH | GE UR Series CPU Module for Industrial Protection

GE Multilin UR9KH CPU Module – Product Description

Overview

The GE Multilin UR9KH is a central processing unit (CPU) module designed for the UR Series Universal Relays. It executes protection and control algorithms in real time, providing high reliability for industrial power systems. Moreover, the module enables seamless communication with external systems and other UR modules, ensuring precise data acquisition, event logging, and disturbance recording across generator, transformer, motor, and line protection devices.

Technical Specifications

Attribute — Specification
Model Number — UR9KH
Product Type — CPU Module for UR Series Relays
System Compatibility — GE Multilin UR Series
Functions — Logic execution, sequencing, data processing, communications
Processor — Embedded microprocessor (UR Series standard)
Memory — On‑board RAM and flash for program and data storage
Communications — Interfaces with UR communications modules 
Weight — 0.75 kg (1 lb 10 oz)
Dimensions — Standard UR chassis module size (6 × 4 in)
Manufacturing Location — Ontario, Canada
Operating Temperature — –40 °C to +70 °C
Storage Temperature — –40 °C to +85 °C
Applications — Generator, transformer, motor, and line protection relays

FAQ

Q1: What is the main role of the UR9KH module?
It executes protection, control, and data acquisition algorithms for UR Series relays.

Q2: Which communication protocols does UR9KH support?
The module supports Modbus, DNP3, IEC 61850, and Ethernet interfaces.

Q3: Can the UR9KH module operate in harsh industrial environments?
Yes, it operates reliably from –40 °C to +70 °C for industrial applications.

Q4: Which relay types use the UR9KH module?
It is compatible with generator, transformer, motor, and line protection relays.

Q5: Is the UR9KH module compatible with standard UR Series chassis?
Yes, it fits standard UR chassis modules for easy installation and replacement.