GE UR-SHH UR Series General Protection Relay

Product Description

Model: UR-SHH Manufacturer: GE Multilin (GE Vernova Grid Solutions) Product Name: UR Series Universal Protection Relay High Voltage Redundant Power Supply Module Product Type: Protection Device Power Supply Module Origin: Canada

UR-SHH belongs to GE Multilin UR Universal Relay series. It is a high voltage redundant power supply module dedicated for UR chassis, also named UR-RHH. SHH is dual redundant version of SH power option. It accepts wide range AC/DC input of 125~250V DC / 100~240V AC, converts field power into multiple regulated DC rails to supply CPU, analog acquisition boards, I/O boards and communication boards inside UR protection relay. This module supports 1+1 redundant parallel hot standby, seamless switchover without interruption if one power supply fails. Built-in overvoltage, overcurrent, thermal shutdown and reverse polarity protection. Compatible with full range UR relays including B30, F35, G60, T60. Widely installed in substation switchgear, delivering high-reliability power for numerical relays for line, transformer, busbar and generator protection.

Technical Specifications

• Model: UR-SHH
• Input Voltage: 100~240V AC; 125~250V DC
• Continuous Output Power: 35W
• Output Rails: +5V logic supply, +24V auxiliary supply
• Redundancy: 1+1 hot standby redundancy supported
• Protection: Overvoltage, overcurrent, thermal shutdown, reverse polarity protection
• Mounting: Dedicated power slot A of UR relay chassis
• Operating Temperature: -40℃ ~ +85℃
• Relative Humidity: 5%~95%, non-condensing
• Standards: IEC60255, ANSI C37.90, substation industrial grade
• Weight: approx.0.2kg
• Certifications: UL, CE

Application

1. Power Substation: Power supply for UR numerical protection relays in MV & HV switchgear
2. Transformer Protection: Redundant power for T60, T35 transformer protection relays
3. Busbar Protection: Power source for B30 bus differential protection relay
4. Generator Protection: G60 generator protection device
5. Feeder Protection: F35 line protection, utility grid, power plant and captive power station protection system
6. Retrofit Project: Spare part replacement and redundant power upgrade for legacy UR protection relays

Related Series Models

UR-SH, UR-SL, UR-RHH, UR-RHL, UR-TH, UR-TL