Description
The ABB REX521 is a type of protection and control relay designed specifically for use in various electrical systems, particularly in the protection of generators and transformers.
Product Name:
ABB REX521 (REX521GHHPSH07G) Controller
Product Description:
The ABB REX521 is a state-of-the-art digital protection relay aimed at ensuring the protection and control of electrical equipment in power plants and substations. It integrates various functionalities, including overcurrent protection, earth fault protection, and voltage regulation, making it versatile for different applications. Its user-friendly interface and advanced communication capabilities allow for easy integration into automated systems.
Product Parameters and Specifications:
- Protection Functions:
- Overcurrent protection (OC)
- Ground fault protection (GF)
- Voltage protection (including undervoltage and overvoltage)
- Directional protection
- Thermal overload protection
- Frequency protection
- Communication Interfaces:
- IEC 61850 for process and station bus applications
- Modbus, DNP3, and other communication protocols available
- Inputs/Outputs:
- Configurable binary inputs and outputs
- Analog inputs for current and voltage measurements
- Power Supply:
- Wide operating voltage range (e.g., 110–240 V AC/DC)
- Display:
- LCD screen for real-time monitoring and settings configuration.
- Dimensions:
- Typically standard for mounting in control cabinets (exact sizes may vary based on specific model configuration).
- Safety Standards:
- Compliance with relevant international safety standards (e.g., IEC/EN).
Product Use:
The ABB REX521 controller is utilized in various applications within electrical networks, including but not limited to:
- Substation Protection: To protect transformers, busbars, and feeders.
- Generator Protection: It provides reliable protection for generators in power generation plants.
- Industrial Applications: Used in various industries for the protection of motor control centers, critical loads, and distribution networks.
- Infrastructure Projects: Applied in railways, water treatment plants, and other essential infrastructure for ensuring reliability and safety.
ABB+REX521 REX521GHHPSH07G
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All prices listed on the official website are subject to confirmation by contact: Wu Jiedong (manager).
Our product: brand new original packaging
Our warranty: All new or repaired parts have a 12 month warranty period beginning
Our payment: 100% telegraphic transfer of inventory items before shipment, conditions can be proposed!
If you have any downtime spare parts that you cannot find, please feel free to call or use email to contact me. If there are issues that the product cannot solve, please contact me. Product prices can be negotiated. Please do not consider contacting me!
