The General Electric UR 8HH is a CT/VT control module within the Multilin Universal Relay (UR) series. It provides precise monitoring and protection for electrical power systems, ensuring safe and reliable operation. Compact dimensions of 6x19.5x17.2cm and a weight of 0.84kg make it suitable for integration into PLC-based automation environments.
Technical Specifications
Parameter
Value
Model Number
UR8HH
Module Type
UR Control Module (CT/VT)
Manufacturer
GE
Product Range
Multilin
Condition
Brand New
Weight
0.84 kg
Dimensions
6 x 19.5 x 17.2 cm
HS Code
8537101190
Minimum Order Quantity
1
Origin
USA
System
PLC
Status
Discontinued (Dec 31, 2018)
Communication Service
Ethernet router
Functional Description
The GE UR8HH module is equipped with three 1A/5A phase current transformers and one 1A/5A ground current transformer, enabling precise CT/VT inputs for system monitoring. It supports advanced protection functions including overcurrent, undervoltage, frequency, differential, ground fault, and thermal overload protection. Depending on configuration, it also provides arc flash protection, enhancing safety in demanding environments. Its modular design allows customization for specific applications, ensuring flexibility across industrial, commercial, and utility systems.
Applications and Compatibility
The UR8HH is widely used in the protection and control of transformers, generators, motors, feeders, and busbars. As part of the GE Multilin UR series, it integrates seamlessly with other modules to deliver comprehensive relay protection. Although discontinued in 2018, the UR8HH remains a critical component for legacy systems, offering reliable monitoring and control functions in power generation and distribution.
