GE UR8NH is a high-performance universal relay module in the GE Multilin UR series. It is specifically designed for modern power grids and industrial automation applications, featuring high reliability, multi-functionality, and strong communication capabilities. The following is an in-depth introduction to its core features and application scenarios:
Core feature
High-precision measurement and protection functions
Support for current transformers (CT) and voltage transformers (VT) input. The CT measurement range is from 5A to 50A. The VT range is not specified but can meet the requirements of the power system.
Provide phase measurement, harmonic analysis functions, and have self-diagnostic capabilities. It can detect module faults in real time and enhance system reliability.
Respond quickly to power system faults to ensure safe operation of the equipment.
Flexible configuration and scalability
Users can configure the measurement range and functions according to their needs, adapting to different application scenarios.
Offer multiple I/O options and support expansion to meet complex system requirements.
Compatible with other products of the GE Multilin series, facilitating the construction of a complete protection and control system.
Strong communication capabilities
Support multiple communication protocols, such as Modbus RTU, Ethernet, PROFIBUS, DNP3, etc., facilitating integration with other systems.
Communication interfaces include RS485, USB, Ethernet. Each port supports up to 64 communication tasks, suitable for complex communication scenarios.
High reliability and environmental adaptability
Use industrial-grade components, with a protection level of IP65 (dust and water-proof), suitable for harsh environments.
The operating temperature range is -20℃ to +70℃ (some data indicates -20℃ to +60℃), ensuring stable operation.
Advanced diagnostic and maintenance functions
Integrate health monitoring functions to monitor potential harmful system conditions and display information through LCD or software (such as EnerVista UR), facilitating timely response.
Support thermal exchange I/O modules and redundancy functions to reduce downtime.
Technical Specifications
Input Voltage: 100-240V AC (50/60Hz) or 18-28V DC
Output Voltage: DC 24V (maximum current 3A)
Power Consumption: Less than 10W
Dimensions: 120mm × 80mm × 30mm
Weight: Approximately 1.2kg
Installation Method: Panel mounting or DIN rail mounting
Relay Contacts: 2 C-type contacts, rated value 250V AC/10A, 250V DC/16A, switching frequency up to 100kHz
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