Products Description
GE Multilin URRHH UR Series Power Supply Module in stock
GE URRHH is a high-range power supply module for GE Multilin UR series universal protective relays. It converts AC or DC control voltage into regulated isolated DC power to feed the relay’s CPU, I/O boards and communication cards, serving as the core power unit for substation protection devices.

This module supports wide input voltage and redundant power configuration for high availability. It is widely used as spare replacement for power substation protection relays, ensuring stable power supply for protective control systems in power plants and power grid projects.
Main Specifications
Brand: GE; Model: URRHH; Series: Multilin UR Universal Relay
Type: High-range power supply module
Input: 125–250 VAC / 125–250 VDC; Output: regulated 24VDC
Rated Output Power: 35W; Max output current: 1.46A
Isolation: 2500VDC galvanic isolation; Built-in 4A internal fuse
Operating Temp: -40℃ ~ +85℃; Rear plug-in chassis mounting
Core Functions
Convert wide-range AC/DC input into stable multiple DC rails for UR relay internal modules.
Provide galvanic isolation between input power and internal circuits to avoid ground loop interference.
Built-in overcurrent, overvoltage and short-circuit protection to safeguard relay hardware.
Real-time self-diagnosis, status indicator LED and fault alarm for power abnormality.
Support redundant power parallel connection to realize seamless failover for critical protection systems.
Rear plug-in design, easy removal and replacement without dismounting the whole relay cabinet.
Application Scenarios
GE Multilin UR series protection relays used in power plants and electrical substations.
Transmission and distribution substation protective relay power supply backup and replacement.
Maintenance and overhaul of existing UR relay protection cabinets in power grid.
Redundant power configuration for critical protection and control loops.
Power automation spare parts inventory for substation maintenance teams.
Industrial power system protection control for oil & gas and mining power distribution rooms.
FAQ
Q: What is GE URRHH?
A: It is high-range power supply module specially designed for GE Multilin UR series universal protective relays.Q: What input voltage does URRHH accept?
A: It supports 125–250VAC or 125–250VDC wide range input and outputs regulated 24VDC.Q: Can it work with redundant power?
A: Yes, it supports redundant power configuration to improve reliability for substation protection systems.