ABB REF542PLUS

ABB REF542PLUS

The ABB REF542PLUS is a compact and versatile protection and control relay designed for use in medium-voltage applications. It offers a wide range of protection functions, including overcurrent, earth fault, and differential protection, as well as advanced features such as auto-reclosing and synchro-check. The REF542PLUS also includes a comprehensive set of control functions, including voltage regulation, load shedding, and power factor correction. The relay is designed for easy integration into substation automation systems, with support for a range of communication protocols including IEC 61850, DNP3, and Modbus. Its compact size and flexible configuration options make it an ideal choice for a wide range of applications, from distribution networks to industrial installations.

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The ABB REF542PLUS is a protection and control relay designed for use in medium voltage applications. It provides advanced protection functions and flexible control options for a wide range of applications. Some of the key features and parameters of the REF542PLUS include:

• Protection functions: Overcurrent, earth fault, directional overcurrent, negative sequence overcurrent, thermal overload, voltage protection, frequency protection, and more.
• Control options: Programmable logic functions, communication interfaces (Modbus, IEC 61850, DNP3), and flexible I/O options.
• Measurement functions: Voltage, current, power, energy, frequency, and more.
• Event and fault recording: Records up to 1000 events and 1000 faults with time-stamping and detailed information.
• Configuration and monitoring: Easy-to-use graphical interface for configuration and monitoring of the relay.
• Compact design: Small footprint and lightweight design for easy installation and integration into existing systems.
• Wide operating range: Can operate in temperatures ranging from -40°C to +70°C and withstand high levels of vibration and shock.