ABB REF543KM127AAAA feeder terminal device

Rated frequency: 50/60 Hz

Current input: Four precise current inputs

Output contacts: Three normally open power supply output contacts, 

as well as two switching signal output contacts and three additional switching signal output contacts on the optional I/O module

Display: LCD LCD display with backlight and automatic contrast control

Communication interface: Support local communication with the computer through the front communication port, 

remote communication with the control and monitoring system through the rear connector

Auxiliary power supply: After the auxiliary voltage is disconnected, a dangerous voltage may appear on the connector.

Product Description

REM615 HCMJAEADNEC2BNN11E is a motor protection measurement and control device in the ABB Relion 615 series. 

This device is designed to protect, control, measure and monitor asynchronous motors in the manufacturing and processing industries.

Main features:

Integrated protection, control, measurement and monitoring.

Provides motor start, load loss monitoring, thermal overload, motor reversal protection with sensors or traditional CT/PT.

With pre-configured standard configurations, you can also quickly and easily meet different application requirements through functional configuration.

Pluggable design for quick installation and testing.

Large LCD display with editable single line charts, accessible locally or via an easy-to-use HMI based Web browser.

Provide thoughtful product life cycle service.

Product parameter

In addition, the REF543KM127AAAA feeder terminal unit has a fault location function to locate short circuit faults in various networks. 

It also offers a large number of PLC functions, allowing multiple automation and sequential logic control functions to be integrated in one unit,

thereby reducing the need for hard wiring between feeder terminals.

Specific product information, such as product ID, type naming, product description, weight, dimensions, etc., can be found in ABB’s official data sheets. 

The REF543KM127AAAA feeder terminal unit has a net weight of 7.7 kg and is sold as spare parts

APPLICATION

The REF543KM127AAAA is a feeder terminal produced by ABB that is used in a wide range of applications. 

Designed for protection, control, measurement and monitoring of medium voltage networks,

the device can be used with different types of switchgear, such as single bus, 

dual bus and dual machine systems, and supports a variety of network types, including isolated neutral networks,

resonant ground networks and partially grounded networks.

It is especially suitable for the protection and control of medium-sized three-phase asynchronous motors, 

as well as the protection and control of shunt capacitor banks for reactive power compensation. 

The REF543KM127AAAA unit integrates a variety of automation and sequential logic control functions that are critical to substation automation. 

In addition, it also has a variety of communication interfaces, support such as SPA bus, LON bus, 

IEC 60870-5-103 and other communication standards, enabling fast and interference-free data communication.

In industrial automation control systems, the REF543KM127AAAA comprehensive protection relay also plays an important role,

which is not only used to connect and control cables and wires, but also has a number of notable features, 

such as compact design, high reliability, and the ability to withstand voltages up to 1000V.

In addition, the REF543KM127AAAA feeder terminal unit module can be used in a variety of applications, 

including manufacturing, energy, chemical, construction, water treatment, etc., and is ideal for automated control and monitoring systems. 

It provides a high-performance processor, a variety of communication interfaces and built-in security features to ensure the efficient operation and security of the system

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