Description
ABB REF542PLUS is a multifunction protection and switching control device commonly used in medium-voltage applications. Here is a breakdown of its parameters, specifications, dimensions, weight, series, features, and functions in English:
Parameters and Specifications:
Brand: ABB
Model: REF542PLUS
Input Voltage: 24V
Rated Current: 5A
Nominal Voltage: 110V – 120V
Frequency: 50/60 Hz
Operating Temperature: -25°C to +70°C
Storage Temperature: -40°C to +85°C
Humidity: 5% to 95% RH, non-condensing
Dimensions and Weight:
Dimensions: 170mm x 105mm x 32mm
Weight: Approximately 120g
Series:
REF542PLUS belongs to the REF542 series of multifunction protection and switching control devices from ABB
Features:
Multifunctionality: The REF542PLUS integrates various protection and control functions into a single unit
Self-Monitoring: The device has self-monitoring capabilities to ensure reliable operation
Flexibility: The REF542PLUS can be configured to meet specific application requirements using software modules
Communication Interfaces: Supports various communication protocols such as IEC 61850, Modbus, DNP3, and IEC 60870-5-103 for data exchange with other devices and systems
User Interface: Comes with an LCD backlight display for easy monitoring and operation
Functions:
Protection Functions: The REF542PLUS offers a wide range of protection functions including overcurrent, earth fault, and distance protection
Control Functions: It can perform various control operations such as circuit breaker operation, power line switching, and more
Event Recording: The device has an event recording function to capture and store information about power system events and faults for subsequent analysis and troubleshooting
In summary, the ABB REF542PLUS is a multifunction protection and switching control device designed for medium-voltage applications. It provides comprehensive protection and control capabilities, flexibility in configuration, and communication interfaces for seamless integration with other systems. The device is suitable for a wide range of industrial and commercial applications where reliable and efficient electrical system operation is crucial.
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