REF543KM129AAAB

Description

ABB REF543KM129AAAB is a multi-functional industrial automation equipment, its specific description, parameters, specifications, series, features, functions, uses and application areas are as follows:

ABB REF543KM129AAAB Product description

The ABB REF543KM129AAAB is a Feeder Terminal Relay for the protection and control of power systems. It can monitor current, voltage and other parameters in real time, and quickly cut off the circuit when overcurrent, overvoltage, undervoltage, ground fault and other abnormal conditions are detected to ensure the safe operation of the power system.

Product parameter

Operating temperature range: -20°C to +60°C.

Protection class: IP45.

Dimensions: 150mm x 240mm x 300mm.

Weight: About 2.1kg.

Communication interface: Support Modbus TCP/IP protocol, communication rate up to 10/100 Mbps.

Input voltage: 110-240VAC or 110-220VDC.

Output voltage: 5VDC.

Protection function: over current, over voltage, under voltage, ground fault protection.

Product specification

Series: REF543 series.

Type: feeder terminal protection device.

Application: Suitable for protection, control, measurement and monitoring of medium voltage network.

Series and features

The ABB REF543KM129AAAB belongs to the REF543 series, which features high reliability, intelligent management and multiple protection functions. Its compact design makes it easy to install and maintain, while providing strong anti-interference capabilities and the ability to adapt to harsh environments.

Function and use

Protection function: Real-time monitoring of current, voltage and other parameters, providing over current, over voltage, under voltage, ground fault protection, to prevent equipment damage.

Control function: Connect with monitoring system or advanced SCADA system through communication interface to achieve remote monitoring and management.

Measurement function: Support accurate measurement of electrical parameters such as voltage and current.

Application field:

Power system: substations, transmission lines, distribution networks, etc.

Industrial power: factory distribution networks, energy production facilities (e.g. hydropower plants, wind farms).

Railway electrification system: power supply system along railway lines.

Traffic tunnel power system: the power supply system in the tunnel.

Application field

ABB REF543KM129AAAB is widely used in the following areas:

Power system protection: used for the protection and control of the medium voltage network to ensure the stable operation of the power system.

Industrial automation: Provides protection and control functions in the plant distribution network.

Energy production: Protection of electrical equipment in energy production facilities such as hydropower stations and wind farms.

Railway electrification system: provides reliable protection and control of power supply systems along railway lines.

Traffic tunnel power system: provides real-time monitoring and protection for the power supply system in the tunnel.