ABB REX521GHHPSH50G is a high-performance digital protection relay,belonging to the ABB Relion®series,widely used in the protection,control and monitoring of power systems.
Product Features
High performance:adopts advanced digital signal processing technology,with high precision,high reliability,fast response and other characteristics.
Flexible configuration:can flexibly configure protection functions,measurement functions and communication functions according to user needs.
Rich protection functions:including overcurrent,ground fault,overvoltage,undervoltage,loss of voltage,overfrequency,underfrequency,loss of frequency,voltage imbalance and other protection functions.
Advanced measurement function:provides accurate voltage,current,power,power factor and other measurements,and has harmonic analysis function.
Powerful communication function:supports multiple communication protocols,such as IEC 61850,Modbus,etc.,which is convenient for integration with the host computer system.
Friendly human-machine interface:equipped with LCD display and buttons,simple and intuitive operation.
Comply with IEC standards:comply with the relevant standards of the International Electrotechnical Commission(IEC)to ensure product quality and reliability.
Technical specifications
Rated voltage:Determined by model code.
Rated current:Determined by model code.
Protection functions:overcurrent,ground fault,overvoltage,undervoltage,loss of voltage,overfrequency,underfrequency,loss of frequency,voltage imbalance,etc.
Measurement functions:voltage,current,power,power factor,frequency,harmonics,etc.
Communication interface:IEC 61850,Modbus,etc.
Environmental conditions:operating temperature,humidity,altitude,etc.
Application areas
Power plants:generator protection,excitation control,system protection.
Substations:busbar protection,line protection,transformer protection.
Distribution systems:distribution line protection,feeder automation.
Industrial enterprises:distribution systems of industrial enterprises.
Choose Shenzhen Changxin, choose with confidence, worry-free after-sales service Large quantities of stock, shipped by SF Express on the same day!!!
The company mainly imports PLC modules, programmable controllers, servo control systems and DCS spare parts, such as: ABB, AB (Rockwell), GE (General Electric), Bentley, Honeywell, Emerson, Motorola, Invensys, Westinghouse, etc. The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers, and can directly purchase from abroad, providing equipment and spare parts from different countries and manufacturers.
We supply directly from abroad, without middlemen, reducing the cost of use.
There is really no middleman who can make a price difference! !
If you have any defects or need to import PLC, DCS spare parts, please contact our team, we will help you find reliable and high-quality products super quickly, while shortening the delivery time to ensure that your equipment can operate normally in the right environment. On time.
Professionally provide: PLC programmable control system, distributed control system (DCS), safety instrument system (SIS), ESD system, vibration monitoring system, turbine compressor control system (CCS) and other PLC modules, various industrial control systems, system modules, CPU, IO module, DO module, AI module, DI module, network communication module, Ethernet module, motion controller, analog input module, analog output module, switch input module, switch output module, module redundancy, power supply module, relay output unit, relay input unit, processing unit.
Products are widely used in: electricity, petroleum, mine hoisting, ports, heating, gas, water supply, sewage treatment, metallurgy, papermaking, textile, chemical industry, water conservancy and other modern industrial fields!
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