ABB REF542PLUS

ABB REF542PLUS

Status: In Stock

ABB REF542PLUS is a digital protective relay used to protect equipment such as transformers, generators, cables, and lines in power systems. The following are some common ABB REF542PLUS parameters:

1. Rated voltage: The optional range is 6kV, 10kV, 15kV, 20kV, 27.5kV, 38.5kV.

2. Rated current: The optional range is 1A, 5A, 10A, 15A, 20A, 25A, 30A, 40A, 50A, 60A, 75A, 100A.

3. Protection functions: including overcurrent, ground current, overvoltage, undervoltage, short circuit, ground fault, etc.

4. Communication interface: Supports multiple communication interfaces, such as Modbus, IEC 60870-5-103, DNP3.0, etc.

5. Display screen: Equipped with a liquid crystal display screen, which can display parameters such as current, voltage, and power.

6. Working temperature range: -40 ℃ to+70 ℃.

7. Protection level: IP40.

8. Size: Approximately 280mm x 140mm x 170mm.

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.

ABB REF542PLUS插图

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ABB REF542PLUS插图1

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.

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