ABB XVC770BE101 3BHE021083R0101 Circuit Board

The REF 543 feeder terminal is designed for protection, control, measurement

and supervision in medium voltage networks The REF 543 feeder terminal can

be used with different kinds of switchgear, including single busbar, double busbar

and duplex systems.

The protection functions also support different types of networks, such as, isolated

neutral networks, resonant-earthed networks and partially earthed networks. 

The application area also covers medium-sized three phase asynchronous motors

as well as protection and control of shunt capacitor banks used for reactive power

compensation. 

In addition to protection, measurement, control, condition monitoring and general

functions, the REF 543 feeder terminals are provided with a large amount of PLC

functions, which allow for several automation and sequence logic functions, needed

for substation automation, to be integrated into one unit.

The data communication properties include the following communication standards:

SPA bus, LON bus, IEC 60870-5-103.

IEC 61850 via SPA-ZC 400. Profibus DPV1 via SPA-ZC 302. 

DNP 3.0 and Modbus communication with higher level equipment. 

Further, the LON communication together with the PLC functions minimizes the need

for hardwiring between the feeder terminals.

ABB’s comprehensive service offering ensures life cycle support for medium voltage

products ranging from installation and commissioning, through condition monitoring

and plant maintanace programs, to decommissioning and recycling. 

Our global network of service centers and experts help customers to optimize the

performance of their equipment without compromizing on reliablity and safetyDescription. 

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