Description
ABB REF542PLUS is a comprehensive protection, control, measurement, communication, and monitoring unit specifically designed for industrial automation systems. Here are its key parameters, specifications, dimensions, weight, series, features, and functions in English:
Parameters & Specifications:
Input Voltage Range: Typically 200~250VAC, 47~63Hz.
Output Voltage: 24VDC.
Output Current: 20A.
Power Rating: 480W.
Operating Temperature Range: -25℃ to +70℃.
Dimensions & Weight:
Dimensions: 225 mm x 110 mm x 50 mm (Width x Depth x Height).
Weight: Approximately 2.0 kg.
Series:
REF542PLUS belongs to the ABB REF542 series, which offers a range of protection and control solutions for industrial automation applications.
Features:
High Efficiency: Utilizes high-efficiency switching power supply technology, achieving efficiency above 90% and saving energy.
High Reliability: Incorporates quality components and advanced design techniques to ensure stable and reliable operation.
Low Ripple: Provides low output ripple and noise, ensuring stable power supply for sensitive equipment.
Overload Protection: Features overload protection, automatically shutting down in case of overload to protect equipment safety.
Flexible & Expandable: Offers a range of protection functions configurable through software, supporting up to 24 types of protection configurations.
Integrated HMI: Features a graphical human-machine interface (HMI) with high-resolution display, supporting multiple languages including Chinese.
Communication Capabilities: Equipped with various communication interfaces, such as serial ports and Ethernet interfaces, for data exchange with other devices and monitoring systems.
Event Recording: Has an event recording function to log events and faults in the power system for subsequent analysis and troubleshooting.
Applications & Functions:
REF542PLUS serves as a multifunctional unit for protection, control, measurement, communication, and monitoring in industrial automation systems.
It can be used as a feeder protection, transformer protection, motor protection, and control unit, or as a standalone control device.
The unit is suitable for air or gas-insulated medium-voltage switchgear and provides optimal digital control and protection solutions for such switchgear.
REF542PLUS seamlessly integrates with other ABB distribution automation products and can also be integrated with third-party substation automation systems.
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