Description
ABB REX521GHHPSH07G is an electrical protection device, specifically a relay protection unit used in power systems. Here is a breakdown of its parameters, specifications, dimensions, weight, series, features, and functions in English:
Parameters and Specifications:
Brand: ABB
Model: REX521GHHPSH07G
Voltage Range: 10 … 35 V DC (Supply Class 2)
Current Rating: Maximum 40 mA (Idle)
Insulation Strength: 500 V
Dimensions: Outer casing dimensions of 144 x 155 x 12 mm (L x W x H)
Weight: Not specifically mentioned, but generally lightweight for easy installation and portability
Series:
The REX521GHHPSH07G belongs to the REX521 series of protection relays offered by ABB. This series is designed for comprehensive power protection in various power system applications.
Features:
Comprehensive Protection: The REX521GHHPSH07G offers comprehensive protection for power systems, with features such as speed, selectivity, reliability, and sensitivity.
Advanced Design: It employs advanced design and manufacturing techniques for high reliability and the ability to operate in harsh industrial environments.
Communication Capability: The relay has strong communication capabilities, allowing it to communicate with other devices via fiber-optic or cable connections, enabling data sharing and remote control.
Modular Design: It has a modular design, facilitating easy installation and maintenance.
Functions:
Fault Detection and Isolation: The REX521GHHPSH07G is capable of detecting and isolating faults in power systems, such as short circuits, ground faults, and other abnormal conditions.
Rapid Fault Clearance: Upon detecting a fault, it rapidly clears the faulted section, preventing fault propagation and minimizing damage to the power system.
Protection of Power System Stability: By clearing faults quickly, it helps maintain the stability of the power system, ensuring continuous and reliable power supply.
Please note that the specific parameters, specifications, features, and functions of the ABB REX521GHHPSH07G may vary depending on the intended application and the manufacturer’s specifications. It is always recommended to refer to the manufacturer’s official documentation for detailed and accurate information.
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